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Artigos de revistas sobre o tema "Virtual analog"

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Autor: Grafiati

Publicado: 25 de maio de 2024

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1

Kunimoto, Ryo, Tomoyuki Miyao e Jürgen Bajorath. "Computational method for estimating progression saturation of analog series". RSC Advances 8, n.º 10 (2018): 5484–92. http://dx.doi.org/10.1039/c7ra13748f.

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Chemical space view of an analog series. Shown are inactive (red) and active (blue) analogs together with virtual candidate compounds (green) available to expand the series. Chemical neighborhoods of analogs are depicted in gray.

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Fuada, Syifaul, e Amy Hamidah Salman. "Virtual Labs of Analog Oscillator". International Journal of Online Engineering (iJOE) 12, n.º 08 (30 de agosto de 2016): 31. http://dx.doi.org/10.3991/ijoe.v12i08.5911.

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This paper discusses the functional system of a learning media product development; the design and implementation of a virtual lab with analog oscillator comprised of the following: i) Wien Bridge oscillator, ii) Colpitts oscillator, iii) Hartley oscillator and, iv) Astable Multivibrator. The virtual laboratory was built using Adobe Flash CS6 Action Script 3.0. This media can be accessed offline on a computer standalone based on the extension .exe or .swf and constructed with 24 frames per second (fps). This media can be operated by changing the Resistor (R), Inductor (L) and Capacitor (C) components via ‘plug and play’ to the tool-kit, or trainer kit, while the output can be seen in the measuring devices, namely: the frequnecy counter and oscilloscope. The second product is a digital jobsheet as a supplementary element for the practical, which contains prequisites for conducting practical use, introductory, and anatomic information of the virtual lab, as well as the directions for using the e-jobsheet and virtual lab, the practical procedures, and the test items for evaluation.

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Dimova, Dilyana, e Jürgen Bajorath. "Systematic design of analogs of active compounds covering more than 1000 targets". MedChemComm 7, n.º 5 (2016): 859–63. http://dx.doi.org/10.1039/c5md00585j.

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Bailenson, Jeremy N., Andrew C. Beall, Jim Blascovich e Christopher Rex. "Examining Virtual Busts: Are Photogrammetrically Generated Head Models Effective for Person Identification?" Presence: Teleoperators and Virtual Environments 13, n.º 4 (agosto de 2004): 416–27. http://dx.doi.org/10.1162/1054746041944858.

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We examined the effectiveness of using 3D, visual, digital representations of human heads and faces (i.e., virtual busts) for person identification. In a series of 11 studies, participants learned a number of human faces from analog photographs. We then crafted virtual busts from those analog photographs, and compared recognition of photographs of the virtual busts to the original analog photographs. We demonstrated that the accuracy of person identification using photographs of virtual busts is high in an absolute sense, but not as high as using the original analog photographs. We present a paradigm for comparing the similarity, both structural (objectively similar in shape) and subjective (subjectively in the eyes of a viewer) of virtual busts to analog photographs, with the goal of beginning the discussion of a uniform standard for assessing the fidelity of digital models of human faces.

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Wibowo, Aji Widhi, e Syifaul Fuada. "MEDIA PEMBELAJARAN ANALOG OSCILLATOR VIRTUAL LABOLATORY". Telematika 13, n.º 1 (1 de janeiro de 2016): 23. http://dx.doi.org/10.31315/telematika.v13i1.1717.

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The purpose of this research is to design and implement a Virtual Labolatory Materials Signal Processing Sub discussion 'Oscillator' Analog as Newspapers. Developers using the model Sutopo Ariesto Hadi (2003) as a method to produce the product. Consists of six stages: concept, design, material collecting, assembly, testing and distribution. This results in the development of Virtual media Labolatory with material 'Oscillator' with the results of 4 (four) practicum digital oscillator, namely (1) Oscillator Wien Bridge, (2) Colpitts oscillator, (3) Oscillator Hartley and (4) astable multivibrator. Another result is that a user be jobsheet practicum. There are two types, namely: (1) jobsheet grip lecturers and (2) jobsheet for students. In Jobsheet there is a short book that contains the Manual on procedures for the use of virtual labolatory when practical and anatomical description of the product. Virtual Labolatory consists of the initial page (flash scren), the main page (home), pages and pages about the developer's lab referring to the story board. There are four (4) test are: (1) the truth polarity capacitor, (2) the connection (wiring), (3) mode frequency and time in the meter frequency

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Choi, Won-Jae. "Analog Realization Aspect of Virtual World". Journal of Digital Contents Society 24, n.º 9 (30 de setembro de 2023): 2183–91. http://dx.doi.org/10.9728/dcs.2023.24.9.2183.

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7

A, Coldiron, Smith L, Helphrey J, Sawyer J, Flores E, Glover T, Lee D e Barnett M. "A-181 Comparing Virtual Reality and Analog Prospective Memory Performance". Archives of Clinical Neuropsychology 35, n.º 6 (28 de agosto de 2020): 976. http://dx.doi.org/10.1093/arclin/acaa068.181.

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Abstract Objective A virtual reality-based prospective memory task was designed to examine whether a virtual environment would allow for a deeper level of processing and aid prospective memory performance. The purpose of this study was to compare young adults’ performance on analog and virtual reality-based prospective memory tasks. Method Young adult college students (N = 40; ages 18–26) completed both analog and virtual reality prospective memory tasks in the Virtual Kitchen Protocol. Results A within-subjects analysis of variance found that participants performed better on the analog prospective memory task than in virtual reality, F(1,39) = 12.46, p = .001. Conclusions Results suggest that the virtual environment served as a source of distraction rather than a memory aid for young adults’ prospective memory ability. However, this added level of distraction may mimic everyday prospective memory settings better than traditional analog tasks, suggesting that virtual prospective memory tasks may be able to better assess everyday prospective memory abilities.

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Kiryukhin, P. K., V. I. Romanenko, D. A. Khomyakov, A. A. Shcherbakov, P. A. Pugachev, I. M. Yushin, O. Ashraf e G. V. Tikhomirov. "Virtual analog of uranium-water subcritical assembly". Annals of Nuclear Energy 172 (julho de 2022): 109058. http://dx.doi.org/10.1016/j.anucene.2022.109058.

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Brungart, Douglas S. "Simplified analog virtual externalization for stereophonic audio". Journal of the Acoustical Society of America 105, n.º 2 (1999): 582. http://dx.doi.org/10.1121/1.426976.

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Yoshimori, Atsushi, e Jürgen Bajorath. "Deep SAR matrix: SAR matrix expansion for advanced analog design using deep learning architectures". Future Drug Discovery 2, n.º 2 (1 de abril de 2020): FDD36. http://dx.doi.org/10.4155/fdd-2020-0005.

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Aim: Enhancing the structure–activity relationship matrix (SARM) methodology through integration of deep learning and expansion of chemical space coverage. Background: Analog design is of critical importance for medicinal chemistry. The SARM approach, which combines systematic structural organization of compound series with analog design, is put into scientific context. Methodology: The new DeepSARM concept is introduced. The architecture of SARM-integrated deep generative models is detailed and the workflow for advanced analog design and matrix expansion described. Exemplary application: The DeepSARM approach is applied to design analogs of kinase inhibitors taking kinome-wide chemical space into account. Future perspective: Practical applications of DeepSARM will be a major focal point. Different applications are discussed. New computational features will be added to prioritize virtual candidate compounds.

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Yonchev, Dimitar, e Jürgen Bajorath. "DeepCOMO: from structure-activity relationship diagnostics to generative molecular design using the compound optimization monitor methodology". Journal of Computer-Aided Molecular Design 34, n.º 12 (5 de outubro de 2020): 1207–18. http://dx.doi.org/10.1007/s10822-020-00349-3.

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Abstract The compound optimization monitor (COMO) approach was originally developed as a diagnostic approach to aid in evaluating development stages of analog series and progress made during lead optimization. COMO uses virtual analog populations for the assessment of chemical saturation of analog series and has been further developed to bridge between optimization diagnostics and compound design. Herein, we discuss key methodological features of COMO in its scientific context and present a deep learning extension of COMO for generative molecular design, leading to the introduction of DeepCOMO. Applications on exemplary analog series are reported to illustrate the entire DeepCOMO repertoire, ranging from chemical saturation and structure–activity relationship progression diagnostics to the evaluation of different analog design strategies and prioritization of virtual candidates for optimization efforts, taking into account the development stage of individual analog series.

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Stolyarov, Yu N. "Digital, analog, electronic or virtual: Which is right?" Scientific and Technical Libraries, n.º 3 (11 de maio de 2021): 133–40. http://dx.doi.org/10.33186/1027-3689-2021-3-133-140.

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The library science terminology related to the new information technologies has become unstable with the emergence of the term “digital” as an alternative to the term “electronic”. The author expresses high opinion of the analysis of these terms, accomplished by Ksenia Yu. Volkova and Victor V. Zverevich in their article “Digital or electronic” (Nauch. and tech. b-ki. - 2020. - № 12. -P. 159-172), and as a follow-up, digs into the semantic difference of the terms content. In the professional literature, the discussion of modern terminology began with the term "virtual" in the 1990s. It was at the same time that the short life for the term was predicted, and experience speaks to the truth of the prediction. Electronic and digital document types exist in the technodocument cluster and - further - only of its technotronic subtype. The technotronic document is a document which creation and reproduction require modern technical instruments and technologies. Electronic document is the most modern type of technotronic document for the moment. The digital - electronic contraposing, which is widely used in the modern world library literature, is incorrect. In fact, the digital opposes the analog. Electronic is a general term applied both to digital and analog, as well as to virtual. The terms electronic and non-electronic make the dichotomous pair of concepts. The author foresees long relevance of the concept of electronic library science.

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13

De Sanctis, Giovanni, e Augusto Sarti. "Virtual Analog Modeling in the Wave-Digital Domain". IEEE Transactions on Audio, Speech, and Language Processing 18, n.º 4 (maio de 2010): 715–27. http://dx.doi.org/10.1109/tasl.2009.2033637.

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Välimäki, Vesa, e Antti Huovilainen. "Oscillator and Filter Algorithms for Virtual Analog Synthesis". Computer Music Journal 30, n.º 2 (junho de 2006): 19–31. http://dx.doi.org/10.1162/comj.2006.30.2.19.

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L, Williams, Coldiron A, Sandlin A, Flores E, Flair J, Lee D, Tran N e Barnett M. "A-183 A Preliminary Study of Comfort with Computers and Analog Tasks in Relation to Older Adults’ Performance in Virtual Reality". Archives of Clinical Neuropsychology 35, n.º 6 (28 de agosto de 2020): 978. http://dx.doi.org/10.1093/arclin/acaa068.183.

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Abstract Objective Neuropsychologists are using virtual reality to simulate everyday activities in order to increase ecological validity in neuropsychological assessments (Kane & Parsons, 2017). However, relatively little is known about the extent to which comfort with computers and analog tasks influences older adults’ performance on virtual reality-based tasks. Methods Healthy older adults (N = 42) rated how comfortable they are with computers and cooking meals in daily life and completed the Virtual Kitchen Protocol, a measure of procedural learning and memory for meal preparation tasks. Results Both higher comfort with cooking meals in a real kitchen and higher comfort with computers were associated with better learning, immediate recall, and delayed recall of the procedural task in virtual reality. However, comfort with computers did not explain a significant amount of variance in performance beyond comfort cooking in a real kitchen. Conclusion While both comfort with computers and analog versions of tasks may relate to older adults’ learning and memory in virtual reality, performance may be primarily related to analog abilities.

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Yang, Jay. "Virtual resolutions of monomial ideals on toric varieties". Proceedings of the American Mathematical Society, Series B 8, n.º 9 (16 de fevereiro de 2021): 100–111. http://dx.doi.org/10.1090/bproc/72.

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Colombo, Andrea, e Floriana Ferro. "Virtuality and immanence in Deleuze and Merleau-Ponty". Aisthesis. Pratiche, linguaggi e saperi dell’estetico 16, n.º 1 (22 de julho de 2023): 7–16. http://dx.doi.org/10.36253/aisthesis-14203.

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In this paper we aim to find a definition of virtual which fits the latest developments of digital technology, but also applies to the analog world. We consider the virtual as related to immanence, taking inspiration from Deleuze’s reading of Bergson and Merleau-Ponty’s last work. We first analyze Deleuze’s idea of immanence, from which virtuality emerges, then we focus on Merleau-Ponty’s concept of flesh and its virtual center. We argue that both philosophers see immanence as a dynamic medium of virtuality, overcoming the traditional concept of substance and theorizing a deep intertwining of bodies and technology. Our analysis shows that the virtual is defined by the following features: it implies an epistemological and ontological monism, relationality, and entanglement with reality. The virtual clearly emerges in digital technologies, but also belongs to analog reality, as a general condition for our knowing and being in the world as such.

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Esqueda, Fabián, Henri Pöntynen, Julian Parker e Stefan Bilbao. "Virtual Analog Models of the Lockhart and Serge Wavefolders". Applied Sciences 7, n.º 12 (20 de dezembro de 2017): 1328. http://dx.doi.org/10.3390/app7121328.

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Lazzarini, Victor, e Joseph Timoney. "New Perspectives on Distortion Synthesis for Virtual Analog Oscillators". Computer Music Journal 34, n.º 1 (março de 2010): 28–40. http://dx.doi.org/10.1162/comj.2010.34.1.28.

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Yoga, I. Putu Harta, e Gst Ayu Vida Mastrika Giri, S.Kom., M.Cs. "Virtual Hybrid Synthesizer Application". JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) 8, n.º 3 (27 de janeiro de 2020): 357. http://dx.doi.org/10.24843/jlk.2020.v08.i03.p19.

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Hybrid synthesizers can be syntheses with digital or analog signals on a hardware device. In this article hybrid means make a virtual digital synthesis which combines several synthesis methods. The method used is the synthesis method of additive, substractive, and amplitude modulation (AM). Where the initial signal is an oscillator by making waves with the form Sinusoide Wave, Square Wave and Saw Tooth Wave. This virtual synthesis produces sound that has the same fundamental frequency as the fundamental frequency of notes. Keywords: Hibrid Synthesizer, Additive, Substractive, Amplitude Modulation

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Eroglu, Sevinc, Patric Schmitz, Carlos Aguilera Martinez, Jana Rusch, Leif Kobbelt e Torsten W. Kuhlen. "Rilievo: Artistic Scene Authoring via Interactive Height Map Extrusion in VR". Leonardo 53, n.º 4 (julho de 2020): 438–41. http://dx.doi.org/10.1162/leon_a_01933.

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The authors present a virtual authoring environment for artistic creation in VR. It enables the effortless conversion of 2D images into volumetric 3D objects. Artistic elements in the input material are extracted with a convenient VR-based segmentation tool. Relief sculpting is then performed by interactively mixing different height maps. These are automatically generated from the input image structure and appearance. A prototype of the tool is showcased in an analog-virtual artistic workflow in collaboration with a traditional painter. It combines the expressiveness of analog painting and sculpting with the creative freedom of spatial arrangement in VR.

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Úry, Előd, Cinzia Fornai e Gerhard W. Weber. "Accuracy of transferring analog dental casts to a virtual articulator". Journal of Prosthetic Dentistry 123, n.º 2 (fevereiro de 2020): 305–13. http://dx.doi.org/10.1016/j.prosdent.2018.12.019.

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Pawelczyk, M. "Analog Active Control of Acoustic Noise at a Virtual Location". IEEE Transactions on Control Systems Technology 17, n.º 2 (março de 2009): 465–72. http://dx.doi.org/10.1109/tcst.2008.2000988.

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Jacob, Reed B., Casey W. Bullock, Tim Andersen e Owen M. McDougal. "DockoMatic: Automated peptide analog creation for high throughput virtual screening". Journal of Computational Chemistry 32, n.º 13 (30 de junho de 2011): 2936–41. http://dx.doi.org/10.1002/jcc.21864.

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Nur Handayani, Anik, Salsabila Sonia Nafista, Arya Kusumawardana, Hakkun Elmunsyah, Kohei Arai e Rosa Andrie Asmara. "Development of Interactive Virtual Laboratory Media with Tinkercad Platform on Analog Electronics Material". E3S Web of Conferences 473 (2024): 04008. http://dx.doi.org/10.1051/e3sconf/202447304008.

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The development of science and technology has experienced rapid progress which has a significant impact on people’s lives. One of the affected fields is education, where the utilization of science and technology can strengthen the learning process. In this context, the development of the right strategy and the use of supporting components are very effective. This research aims to analyze and develop the needs of teaching materials in the subject of Fundamentals of Electronic Engineering, focusing on Analog Electronics material. The method used is the development of teaching materials in the form of V-Lab-based jobsheets using the tinkercad website platform, as well as the preparation of guidebooks for teachers and students of Mechatronics Engineering in the subject of Basics of Electronics Engineering, especially on Analog Electronics material. Furthermore, the feasibility of V-Lab-based teaching materials using the Tinkercad website platform was tested. The results show that the use of the Tinkercad platform makes it easy to simulate electronic circuits without the need to install additional software. This platform helps students in better understanding the analog electronics material, as it can be accessed flexibly. Based on these findings, it can be concluded that the development of V-Lab-based teaching materials through the Tinkercad platform has great potential in improving the quality of analog electronics learning.

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Kasai, Yuki, Hiroshi Yabuno, Yasuyuki Yamamoto e Sohei Matsumoto. "Ultra-Sensitive Minute Mass Sensing Using a Microcantilever Virtually Coupled with a Virtual Cantilever". Sensors 20, n.º 7 (25 de março de 2020): 1823. http://dx.doi.org/10.3390/s20071823.

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Mass sensors based on the eigenmode shift of coupled cantilevers achieve much higher sensitivity than those based on the single cantilever’s eigenfrequency shift. In the former sensors, two identical cantilevers and a weak coupling stiffness between them are required to achieve high sensitivity. However, conventional coupled cantilevers cannot satisfy these requirements because of machining accuracy. To satisfy both requirements, a virtual coupling between a real macrocantilever and a virtual cantilever, whose dynamics was calculated using a digital computer, was proposed in our previous research. The sensitive mass sensing of mg-order masses was achieved. In the present work, for minute mass sensing, we replace the real macrocantilever with a real microcantilever. The calculation speed of a digital computer is not fast enough to calculate the virtual cantilever’s dynamics because the natural frequency of the microcantilver is much higher than that of the macrocantilever. Therefore, we use an analog circuit instead of a digital computer to achieve virtual coupling with the virtual cantilever. The proposed system enables us to tune the virtual cantilever’s parameters to satisfy both requirements for high sensitivity by changing the analog circuit parameters. We verified experimentally that the proposed system achieved high sensitivity for mass sensing of the order of nanograms.

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Patti, Emanuela. "Shadow Plays: Virtual Realities in an Analog World, Massimo Riva (2022)". Journal of Italian Cinema & Media Studies 12, n.º 3 (1 de julho de 2024): 461–63. http://dx.doi.org/10.1386/jicms_00272_5.

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Rizzo, Albert A., Todd Bowerly, J. Galen Buckwalter, Dean Klimchuk, Roman Mitura e Thomas D. Parsons. "A Virtual Reality Scenario for All Seasons:The Virtual Classroom". CNS Spectrums 11, n.º 1 (outubro de 2009): 35–44. http://dx.doi.org/10.1017/s1092852900024196.

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ABSTRACTTreatment and rehabilitation of the cognitive, psychological, and motor sequelae of central nervous system dysfunction often relies on assessment instruments to inform diagnosis and to track changes in clinical status. Typically, these assessments employ paper-and-pencil psychometrics, hands-on analog/computer tests, and rating of behavior within the context of real-world functional environments. Virtual reality offers the option to produce and distribute identical “standard” simulation environments in which performance can be measured and rehabilitated. Within such digital scenarios, normative data can be accumulated for performance comparisons needed for assessment/diagnosis and for treatment/rehabilitation purposes. In this manner, reusable archetypic virtual environments constructed for one purpose can also be applied for applications addressing other clinical targets. This article will provide a review of such a retooling approach using a virtual classroom simulation that was originally developed as a controlled stimulus environment in which attention processes could be systematically assessed in children with attention-deficit/hyperactivity disorder. This system is now being applied to other clinical targets including the development of tests that address other cognitive functions, eye movement under distraction conditions, social anxiety disorder, and the creation of an earthquake safety training application for children with developmental and learning disabilities.

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KREBES, DAVID A., DANIEL S. SILVER e SUSAN G. WILLIAMS. "PERSISTENT INVARIANTS OF TANGLES". Journal of Knot Theory and Its Ramifications 09, n.º 04 (junho de 2000): 471–77. http://dx.doi.org/10.1142/s0218216500000244.

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Lucas, Terry. "From Analog to Virtual: Visual Stylizations of Humanoid Characters Across Media". Journal of Visual Art and Design 12, n.º 1 (2 de junho de 2020): 38. http://dx.doi.org/10.5614/j.vad.2020.12.1.3.

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Sun Guoxin, 孙国鑫, e 周柯江 Zhou Kejiang. "Virtual Optical-Fiber Sagnac Interferometer and Analog-Digital Mixed Demodulation System". Acta Optica Sinica 29, n.º 1 (2009): 213–18. http://dx.doi.org/10.3788/aos20092901.0213.

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Sana Ullah, Muhammad, William Brickner e Emadelden Fouad. "Use of Virtual Forward Propagation Network Model to Translate Analog Components". Science Journal of Circuits, Systems and Signal Processing 9, n.º 1 (2020): 24. http://dx.doi.org/10.11648/j.cssp.20200901.13.

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Qin, Chuan, J. Andrew Zhang, Xiaojing Huang e Y. Jay Guo. "Virtual-Subarray-Based Angle-of-Arrival Estimation in Analog Antenna Arrays". IEEE Wireless Communications Letters 9, n.º 2 (fevereiro de 2020): 194–97. http://dx.doi.org/10.1109/lwc.2019.2947904.

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Fraccaroli, Enrico, Michele Lora e Franco Fummi. "Automatic Generation of Analog/Mixed Signal Virtual Platforms for Smart Systems". IEEE Transactions on Computers 69, n.º 9 (1 de setembro de 2020): 1263–78. http://dx.doi.org/10.1109/tc.2020.2970699.

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Kleinfelder, Stuart A., Michael Levi e Oren Milgrome. "Toward a 62.5 MHz analog virtual pipeline integrated data acquisition system". Nuclear Physics B - Proceedings Supplements 23, n.º 1 (julho de 1991): 382–88. http://dx.doi.org/10.1016/0920-5632(91)90073-n.

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Uluisik, C., e L. Sevgi. "A LabVIEW-Based Analog Modulation Tool for Virtual and Real Experimentation". IEEE Antennas and Propagation Magazine 54, n.º 6 (dezembro de 2012): 246–54. http://dx.doi.org/10.1109/map.2012.6387838.

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Gritsenko, Oleg, e Evert Jan Baerends. "The analog of Koopmans’ theorem for virtual Kohn–Sham orbital energies". Canadian Journal of Chemistry 87, n.º 10 (outubro de 2009): 1383–91. http://dx.doi.org/10.1139/v09-088.

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An analog of Koopmans’ theorem is formulated for the energies, εa, of virtual Kohn–Sham (KS) molecular orbitals (MOs) from the requirement that the KS theory provides, in principle, not only the exact electron density, but also its exact response. The starting point is the Kohn–Sham analog of Koopmans’ theorem, relating the vertical ionization energies, Ii, to the energies, εi, of the occupied MOs ( Chong, D.P.; Gritsenko, O.V.; Baerends, E.J. J. Chem. Phys. 2002, 116, 1760 ). Combining this with the coupled-perturbed equations of time-dependent density functional theory (TDDFT), exact relations between the energies, εa, of virtual KS MOs and the excitation energies, ωia, and vertical ionization energies (VIPs), Ii, are obtained. In the small matrix approximation for the coupling matrix K of TDDFT, two limiting cases of these relations are considered. In the limit of a negligible matrix element, Kia,ia, the energy, εa, can be interpreted as (minus) the energy of ionization from the ?i → ?a excited state, εa ≈ –Ia, where –Ia is defined from the relation Ii = ωia + Ia. This relation breaks down in special cases, such as charge-transfer transitions and the HOMO–LUMO (highest occupied molecular orbital – lowest unoccupied molecular orbital) transition of a dissociating electron-pair bond (also of charge-transfer character). The present results highlight the important difference between virtual orbital energies in the Kohn–Sham model (εa ≈ –Ia) and in the Hartree–Fock model (εa ≈ –Aa). Kohn–Sham differences εa – εi approximate the excitation energy, ωia, while Hartree–Fock differences [Formula: see text] do not approximate excitation energies but approximate the difference of an ionization energy and an electron affinity, Ii – Aa.

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Lora, Michele, Sara Vinco, Enrico Fraccaroli, Davide Quaglia e Franco Fummi. "Analog Models Manipulation for Effective Integration in Smart System Virtual Platforms". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 37, n.º 2 (fevereiro de 2018): 378–91. http://dx.doi.org/10.1109/tcad.2017.2705129.

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Hossain, Shaikat. "Exploring Gen in MaxMSP: Approaches to virtual analog and wavetable synthesis". Journal of the Acoustical Society of America 154, n.º 4_supplement (1 de outubro de 2023): A288. http://dx.doi.org/10.1121/10.0023551.

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The proposed poster presentation will explore using the Gen environment in MaxMSP to develop software that implements virtual analog and wavetable synthesis. Gen is a powerful tool that enables one to approach sound synthesis on an elemental level by implementing signal processing on the sample level instead of dealing with audio frames. The talk will explore both graphical patching and using the embedded text-based language GenExpr using the codebox operator. Focus will be placed on developing design patterns for developing efficient sound synthesis routines and learning to experiment in realtime with Gen.

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Wu, Shuang. "Study on Simulation of Virtual Numerical Control Machining Process". Applied Mechanics and Materials 701-702 (dezembro de 2014): 223–26. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.223.

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This paper is study on the two-dimensional simulation of the machining process, and three-dimensional simulation. Analog three-axis CNC milling machining entity, it will be processed rough triangular facets discrete and discrete vector geometry and tool scans the body to do intersection algorithm to simulate the tool cutting process by continually updating the blank data to achieve material simulation removal process.

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FUADA, SYIFAUL, e AJI WIDHI WIBOWO. "Desain dan Implementasi Virtual Laboratory Materi Osilator Analog berbasis IC OP-AMP". ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 4, n.º 2 (14 de março de 2018): 134. http://dx.doi.org/10.26760/elkomika.v4i2.134.

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ABSTRAK Laboratorium virtual merupakan salah satu platform laboratorium modern yang dapat mendukung kegiatan praktikum yang berjalan secara tradisional (Hand-on Laboratory).Penelitian ini bertujuan untuk mendesain dan mengimplementasikan Virtual Laboratory pada materi pembangkit sinyal dengan subtopik: Wien Bridge sebagai osilator RC, Hartley dan Colpitts sebagai osilator LC dan Astable Multivibrator sebagai osilator relaksasi,yang dibangun berbasis IC Operational Amplifier (OP-AMP).Jenis penelitian ini merupakan R&Dyang terdiri dari enam tahapan, yaitu:konsep, desain, pengumpulan bahan, pembuatan, pengujian dan pendistribusian. Aplikasi perangkat lunak berbasis dekstop ini telah diuji secara fungsional dengan 6 (enam) aspek parameter yakni:uji polaritas kapastor; uji wiring; uji mode frekuensi dan mode perioda pada alat ukur frequency generator; uji specific decission pada trainer kit osilator hartley dan colpitts; uji kesesuaian antara frekuensi ouput dari masing-masing osilator dengan perhitungan teorema dan hasil percobaan sesungguhnya; dan uji kualitas media. Hasil secara keseluruhan telah sesuai dengan ekspektasi didalam story board. Kata kunci: IC OP-AMP, Osilator analog, Laboratorium virtualABSTRACTThe Virtual Laboratory is as one of modern laboratory platform which able to supportthe hand-on worklab. The goal of this research are for designing and implementing a Virtual Laboratory of signal generator material with subtopics i.e. the Wien Bridge as an RC oscillator, the Hartley and Colpitts as LC oscillator and the astable multivibrator as relaxation oscillator which assembled based on Operational Amplifier Integrated Circuit (OP-AMP).This research is R&D type which consists of six stages, i.e. concept, design, materials collection, assembling, testing and distribution. This desktop-based software application has been functionally tested with six aspect of parameters such as: capacitor polarity testing; wiring testing; testing of frequency mode and period mode in frequency counter instrument; Specific decission test of the hartley and colpitts oscillator; fit-test for comparasion results between output frequency from each of oscillators with theorem calculations and actual experimental results; and quality test of media. The overall results was in line in expectations based on the story board.Keywords: Analog oscillator, IC OP-AMP, Virtual Laboratory

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Ferrando, Serena, e Mark Wardecker. "Noisemakers! Putting the Analog in Digital Humanities". Semantic Metadata, Humanist Computing, and Digital Humanities 6, n.º 1 (31 de dezembro de 2019): 59–68. http://dx.doi.org/10.5399/uo/hsda.6.1.4.

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Noisefest! is an interactive, multisensory experience centered around a small Maine town and rooted in the sounds and noise of its streets. Comprising a Virtual Reality tour, soundwalks and remixes, a 2D laser cut geographical map with Arduino controllers, and a Futuristic noise intoner, one of the objectives of this collaborative, transdisciplinary, and theory-based project is to create concrete opportunities for students to participate in the “real” world and engage with the materiality of noise and its manifestations by interacting with the soundscape through novel, interactive, and multisensory practices. Noisefest! is also an example of how one can creatively and artistically extend the reach of the digital humanities beyond the borders of academia and into the public realm.

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Sabulsky, Gabriela, e Constanza Bosch Alessio. "Studying in Virtual University: an approach to students’ technopedagogical profiles". Apertura 13, n.º 2 (30 de setembro de 2021): 124–41. http://dx.doi.org/10.32870/ap.v13n2.2055.

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This article presents some findings of ongoing investigation on preferences and activities of university students in an emergency remote education context. A qualitative research was developed through the application of two controlled instruments (questionnaires), and a more productive one (recordings of testimonies). The main contribution of this work is the identification of three student profiles based on the strategies they develop to study with technologies in their personal environments. They are known as Gutenberg, Amphibian, and Maker profiles, and some of the main characteristics of their techno-pedagogical practices are described here. The Gutenberg profile defines a group of students whose study practices and preferences are fundamentally linked to analog technologies; the Amphibian profile is defined by the combination of analogical and digital strategies, however, there is an emphasis on the emulation of analog practices. Finally, Maker profiles prefer digital technologies and they are able to recreate teaching resources into new digital objects. The results indicate that students appropriate technologies in a particular and flexible way, which puts in tension the categories native digital and millennial, since preferences and activities seem to show the presence of analogical practices along with other emerging ones.

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Darmawan, Yurif Setya. "TREND KAMERA ANALOG INSTAN DI KALANGAN REMAJA". REKAM: Jurnal Fotografi, Televisi, dan Animasi 14, n.º 2 (10 de dezembro de 2018): 97–106. http://dx.doi.org/10.24821/rekam.v14i2.1930.

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Maraknya penggunaan kamera analog instan baru-baru ini merupakan sebuah fenomena menarik. Fotografi menjadi ajang berekspresi penggunanya, untuk menunjukkan eksistensi mereka di media online. Caption menjadi salah satu hal yang penting di sini, seperti caption berbentuk tagar “#35mm” dan “#indo35mm” di Instagram menjadi salah satu pertanda bahwa postingan foto tersebut diambil menggunakan kamera analog. Munculnya komunitas fotografi virtual seperti KLASTIC, menandai awal mula tumbuhnya komunitas fotografi analog di Indonesia. Kemunculan kembali brand fotografi analog khususnya Instant Camera (kamera instan) Polaroid merupakan sebuah fenomena unik. Dalam fokus penelitian ini penulis berusaha menganalisa bagian-bagian terpenting pada keberlangsungan tumbuhnya industri fotografi analog yang mulai tergeser oleh digitalisasi. Secara umum terdapat pertumbuhan tren global terhadap eksistensi kamera analog dan kamera instan. Ada beberapa faktor yang dapat diteliti lebih dalam, dari segi teknologi, saluran komunikasi, kepuasan pengguna (kepuasan emosional dan kesamaan hobi ‘homophily’), waktu dan sistem sosial (agen perubahan sosial dan pemimpin opini), (Rogers, 1983). Penelitian ini hanya sebatas kajian analisa deskriptif kualitatif metode observasi dan kajian literatur. Hasil penelitian menunjukkan adanya keterkaitan teori difusi inovasi dengan perkembangan trend penggunaan kamera analog instan. Inovasi produk berupa kebaruan bentuk dari kamera instan ternyata diminati di kalangan remaja. Ada sebuah fenomena disruptif, dengan munculnya aplikasi media sosial Instagram, foto hasil dari kamera instan difoto ulang dan diposting di Instagram. Terangkatnya trend penggunaan kamera analog instan juga merupakan dampak dari perkembangan komunitas pehobi kamera analog.

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Yonchev, Dimitar, Martin Vogt e Jürgen Bajorath. "Compound optimization monitor (COMO) method for computational evaluation of progress in medicinal chemistry projects". Future Drug Discovery 1, n.º 2 (1 de outubro de 2019): FDD15. http://dx.doi.org/10.4155/fdd-2019-0016.

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Aim: Development of a new, practically applicable computational method to monitor progress in lead optimization. Computational approaches that aid in compound optimization are discussed and the Compound Optimization Monitor (COMO) method is introduced and put into scientific context. Methodology & calculations: The methodological concept and the COMO scoring scheme are described in detail. Results & discussions: Calculation parameters are evaluated, and profiling results reported for an ensemble of analog series. Future perspective: The dual role of virtual analogs as diagnostic tools for progress evaluation and as potential candidates for lead optimization is discussed. In light of this dual role, interfacing COMO with machine learning for compound activity prediction and prioritization of candidates is highlighted as a future research objective.

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Adnaneswari, Anggita Candra, Nani Nurani Muksin, Linka Azzahra e Reidhia Salsabila Diyu. "AKTIVITAS KOMUNIKASI ANGGOTA MAHASISWA PECINTA FOTOGRAFI ANALOG DI MEDIA SOSIAL INSTAGRAM (STUDI ETNOGRAFI KOMUNIKASI)". Jurnal Bincang Komunikasi 1, n.º 2 (30 de novembro de 2023): 77. http://dx.doi.org/10.24853/jbk.1.2.2023.77-85.

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Mahasiswa Pecinta Fotografi (MPF) Analog salah satu organisasi kemahasiswaan di Fakultas Ilmu Sosial dan Ilmu Politik Universitas Muhammadiyah Jakarta dengan berbagai program serta aktivitas keorganisasiannya, sebagai organisasi kampus yang cukup aktif dengan kegiatannya di media sosial, khususnya instagram menjadi media yang sangat banyak digunakan untuk perkembangan dan kemajuan organisasi. Penelitian ini bertujuan untuk mengetahui aktivitas komunikasi yang dilakukan oleh anggota MPF Analog di media sosial Instagram dalam menyebarkan informasi dan kegiatan positif serta bermanfaat lainnya yang bertujuan untuk melancarkan setiap program yang diadakan oleh MPF Analog. Metode penelitian ini menggunakan pendekatan penelitian etnografi virtual kualitatif dengan metode studi literatur, yang dilakukan dengan mengumpulkan data isi konten media sosial, platform media sosial, dan juga mengkaji buku-buku atau sumber bacaan seperti jurnal. Pada penelitian ini, menganalisis berdasarkan sumber yang memiliki relevansi dengan penelitian yang dilakukan yaitu isi konten terkait aktivitas komunikasi anggota MPF Analog di media sosial Instagram MPF Analog. Berdasarkan hasil penelitian dapat disimpulkan bahwa pola komunikasi instagram di MPF Analog sendiri memiliki banyak keunggulan baik secara internal maupun eksternal organisasi. Untuk menunjang keorganisasian MPF Analog memiliki media yang cukup aktif untuk keperluan organisasi, dan instagram menjadi media yang sangat membantu dalam berbagai aktivitas yang dilakukan. Optimalisasi di media sosial seperti instagram tentunya memiliki banyak dampak positif dalam keorganisasian

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Ramdani, Ahmad, Andika Perbawa, Ingrid Puspita e Volker Vahrenkamp. "Acoustic impedance to outcrop: Presenting near-surface seismic data as a virtual outcrop in carbonate analog studies". Leading Edge 41, n.º 9 (setembro de 2022): 599–610. http://dx.doi.org/10.1190/tle41090599.1.

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Outcrop analogs play a central role in understanding subseismic interwell depositional facies heterogeneity of carbonate reservoirs. Outcrop geologists rarely utilize near-surface seismic data due to the limited vertical resolution and difficulty visualizing seismic signals as “band-limited rocks.” This study proposes a methodology using a combination of forward modeling and conditional generative adversarial network (cGAN) to translate seismic-derived acoustic impedance (AI) into a pseudo-high-resolution virtual outcrop. We tested the methodology on the Hanifa reservoir analog outcropping in Wadi Birk, Saudi Arabia. We interpret a 4 km long outcrop photomosaic from a digital outcrop model (DOM) for its depositional facies, populate the DOM with AI properties, and forward calculate the band-limited AI of the DOM facies using colored inversion. We pair the synthetic band-limited AI with DOM facies and train them using a cGAN. Similarly, we pair the DOM facies with outcrop photos and train them using a cGAN. We chain the two trained networks and apply them to the approximately 600 m long seismic-derived AI data acquired just behind the outcrop. The result translates AI images into a virtual outcrop “behind-the-outcrop” model. This virtual outcrop model is a visual medium that operates at a resolution and format more familiar to outcrop geologists. This model resolves subseismic stratigraphic features such as the intricate downlap-onlap stratal termination at scales of tens of centimeters and the outline of buildup facies, which are otherwise unresolvable in the band-limited AI.

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Ham, Derek A. "KITOPARTS: A Virtual Playground To Explore Form, Space, & Order". Academic Research Community publication 2, n.º 3 (18 de dezembro de 2018): 85. http://dx.doi.org/10.21625/archive.v2i3.348.

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Architecture students use both analog and digital tools throughout their design process. Ideally, the affordances of each tool complement each other. Our goal with Kitoparts is to move beyond two-dimensional screen based computer modeling environments to create a system that feels analog but harnesses all the affordances of digital modeling environments. With the usage of VR and haptic controllers, we hope to provide a rich and flexible methodology for investigating forms and space. In educational settings, Kitoparts aims to solve three major problems with traditional beginning design exercises. First, it solves the scaling problem, allowing design students to see their designs visualized at full scale and in real-time. Second, it overcomes the combinatorial nature of physical building blocks by allowing 3D shapes to overlap and embed into each other in ways they could not within the physical world. Finally, we include the designer’s “hands” in the creative process. Virtual hands prove to be much more intuitive to use than the traditional mouse and keyboards commonly utilized in most CAD and modeling software. With Kitoparts, the computer model is no longer just a tool for representation; it becomes the user interface for design. Kitoparts allows both seasoned designers and novices to simply play, build, and explore.

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Masnicki, Romuald, e Dariusz Swisulski. "Multi-Channel Virtual Instrument for Measuring Temperature—A Case Study". Electronics 12, n.º 10 (11 de maio de 2023): 2188. http://dx.doi.org/10.3390/electronics12102188.

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The article presents the hardware and software configuration of the developed multi-channel temperature measurement system as well as calibration procedures and measurement results verifying the properties of measurement channels. The system has been developed and dedicated primarily for measuring the temperature distribution in a laboratory model simulating underground power lines. With the adopted configuration of the analog part of each measurement channel, the main functions in the system developed as a virtual instrument are performed in its software. The instrument input circuits contain NTC (negative temperature coefficient) thermistors used as temperature sensors. The resistance of each of the thermistors connected in the voltage divider circuits is converted into a voltage. The obtained voltages in the measurement channels, after analog-to-digital conversion (ADC), are processed in subsequent operations in the instrument’s software. In addition to the basic function of the device, which is the multi-channel temperature measurement, the operations of identifying the characteristics of the thermistors used and calibrating each of the individual measurement channels are performed. The article contains sample results of the calibration of measurement channels and temperature verification measurements used to evaluate the properties of the developed system. The obtained inaccuracy of the temperature measurement in each of the channels is less than 0.4 °C.

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Qin, Chuan, J. Andrew Zhang, Xiaojing Huang, Kai Wu e Y. Jay Guo. "Fast Angle-of-Arrival Estimation via Virtual Subarrays in Analog Antenna Array". IEEE Transactions on Wireless Communications 19, n.º 10 (outubro de 2020): 6425–39. http://dx.doi.org/10.1109/twc.2020.3003397.

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