Academic literature on the topic 'Ultra-Miniaturized'
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Journal articles on the topic "Ultra-Miniaturized"
Chang, The-Nan, and Shih-Yen Cheng. "Ultra Wide Miniaturized Printed Antenna." Electromagnetics 37, no. 5 (June 19, 2017): 345–54. http://dx.doi.org/10.1080/02726343.2017.1330590.
Full textAhmed Jamal, Abdullah Al-Gburi, Ibrahim Imran Mohd, and Zakaria Zahriladha. "An Ultra-Miniaturized MCPM Antenna for Ultra-Wideband Applications." Journal of Nano- and Electronic Physics 13, no. 5 (2021): 05012–1. http://dx.doi.org/10.21272/jnep.13(5).05012.
Full textJung, E., A. Ostmann, D. Wojakowski, C. Landesberger, R. Aschenbrenner, and H. Reichl. "Ultra thin chips for miniaturized products." Microsystem Technologies 9, no. 6-7 (September 1, 2003): 449–52. http://dx.doi.org/10.1007/s00542-002-0264-9.
Full textDing, Wen, and Gaofeng Wang. "Miniaturized band-notched ultra-wideband antenna." Microwave and Optical Technology Letters 58, no. 11 (August 29, 2016): 2780–86. http://dx.doi.org/10.1002/mop.30141.
Full textGuo, Lu, Ming Min, Wenquan Che, and Wanchen Yang. "A Novel Miniaturized Planar Ultra-Wideband Antenna." IEEE Access 7 (2019): 2769–73. http://dx.doi.org/10.1109/access.2018.2886799.
Full textYe, Xin, Chao Shao, Zhijing Zhang, Jun Gao, and Yang Yu. "An air-filled microgripper in microassembly system with coaxial alignment function." Assembly Automation 34, no. 4 (September 9, 2014): 333–41. http://dx.doi.org/10.1108/aa-02-2014-019.
Full textMishra, N., and S. Beg. "A Miniaturized Microstrip Antenna for Ultra-wideband Applications." Advanced Electromagnetics 11, no. 2 (June 12, 2022): 54–60. http://dx.doi.org/10.7716/aem.v11i2.1948.
Full textRahman, MuhibUr, and Muhammad Imran. "CPW Fed Miniaturized Tri-Notched Ultra-Wideband Antenna." Advanced Engineering Technology and Application 6, no. 1 (January 1, 2017): 1–5. http://dx.doi.org/10.18576/aeta/060101.
Full textWang, Z., A. Syed, S. Bhattacharya, X. Chen, U. Buttner, G. Iordache, K. Salama, et al. "Ultra miniaturized InterDigitated electrodes platform for sensing applications." Microelectronic Engineering 225 (March 2020): 111253. http://dx.doi.org/10.1016/j.mee.2020.111253.
Full textYousaf, Muhammad, Ismail Ben Mabrouk, Muhammad Zada, Adeel Akram, Yasar Amin, Mourad Nedil, and Hyoungsuk Yoo. "An Ultra-Miniaturized Antenna With Ultra-Wide Bandwidth Characteristics for Medical Implant Systems." IEEE Access 9 (2021): 40086–97. http://dx.doi.org/10.1109/access.2021.3064307.
Full textDissertations / Theses on the topic "Ultra-Miniaturized"
Wang, Cheng Ph D. Massachusetts Institute of Technology. "Terahertz wave-molecule interactions via CMOS chips : from comb gas sensor with absolute specificity to ultra-stable, miniaturized clock." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128330.
Full textCataloged from PDF of thesis.
Includes bibliographical references (pages 151-163).
Under the excitation of electromagnetic waves within the millimeter wave and terahertz regimes, polar gaseous molecules generate unique rotational spectra. The frequency and absorption intensity of rotational spectral lines are directly linked to the micro-scale molecular structures. They serve as an indicator or "finger-print" of molecules. Thus, a rotational spectrometer with absolute specificity is promising for the analysis of complicated gas mixtures (e.g. human exhaled breath and industrial gas leakage). To utilize this important property, a CMOS dual-frequency-comb spectrometer is proposed and implemented. Broadband (220~320GHz), fast scanning (20x faster than conventional single-tone sensors) and highly sensitive (ppm level without pre-concentration) gas analysis is accomplished with the adoption of a high-parallelism architecture and multi-functional, highly-efficient circuit topologies.
This work also reveals that the rotational spectral lines with a quality factor of ~ 10⁶ can serve as the frequency references of ultra-stable clock systems. Based on this principle, two chip-scale molecular clocks (CSMC) locking to the 231.061 GHz rotational spectral line of carbonyl sulfide (OCS) molecules are presented. Their fully-electronic implementations on 65nm CMOS achieve "atomic-clock" level stability, miniaturization, low cost and low DC power. The first CSMC prototype locks to the fundamental dispersion curve of the OCS transition with a frequency-shift-keying (FSK) spectral line probing scheme. An Allan deviation of 3.8 x 10⁻¹⁰ with an averaging time of r=10³ s and 66 mW DC power is measured. Next, an upgraded CSMC prototype adopting high-order dispersion-curve locking effectively improves the clock stability to 4.3 x 10⁻¹¹ (r=10³ s).
The CSMCs present great potential for the time/phase synchronization of future high-speed wireless access networks, high-precision navigation and sensing under GPS-denied conditions, such as underwater seismology for oil detection.
by Cheng Wang.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
El, Moussawi Fatima. "Fibres optiques de spécialité pour endoscopes bio-médicaux ultra-miniaturisés." Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR065.
Full textThe lens-less endoscope is a promising ultra-miniaturized imaging tool with the potential to enable minimally invasive and cellular-level resolution in-vivo imaging deep inside biological tissue. The main idea of the lens-less endoscope is a device capable of being fixed on the head of a small animal containing only an optical waveguide capable of collecting light, retaining its information content, and transporting it fiber-optically to remote optics and opto-electronics. The interest of this miniaturized endoscope stems from its ability to allow new functionalities because light source and detectors are remote as well as the light weight and flexibility of the optical fibers that constitute here the main part of the imaging system. We present in this thesis a novel fiber-optic component, a “tapered multi-core fiber”, designed for integration into ultra-miniaturized endoscopes for minimally invasive two-photon point-scanning imaging and to address the power delivery issue that has faced multi-core fiber-based lensless endoscopes. We report the design, fabrication, and application of the tapered multi-core fiber, where we were able to perform two-photon imaging of fluorescent samples in both forward and backward directions. Our results show that tailoring of the taper profile of the multi-core fiber brings new degrees of freedom that can be efficiently exploited for lensless endoscopes
Al, Shamaileh Khair Ayman. "Realization of Miniaturized Multi-/Wideband Microwave Front-Ends." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1437222522.
Full textHsu, Ching-Cheng, and 徐慶澄. "Ultra-wideband and Miniaturized mmWave Antenna." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/cuxbzn.
Full text國立交通大學
電信工程研究所
107
With the development of the wireless communications technologies, the radar system in millimeter wave gradually received the attention of all countries. Recently, Defense Advanced Research Projects Agency (DARPA) proposed a huge project about radar system in millimeter wave. The project called (MIDAS) combines the advantage of digital array and millimeter wave. Not only the spectrum become wider than microwave but the high resolution in millimerter wave radar system. There are three main targets in the MIDAS. One is digital RF silicon tile at 18-50 GHz. Another is ultra-wideband antenna. The other one is miniature transceiver element pitch at shortest half lambda in band. Therefore, the millimeter wave antenna design plays a important role in MIDAS. Because of the tile-base spec and ultra-wideband requirement. The antennas need to mount easily with the tile-based transceiver and work in a ultrawide bandwith for application at the same time. Futhermore, the Propagation losses in millimeter wave is quite large. In order to overcome the drawback, the high gain chararistic usually regard as an ensential design part. However, increasing antenna gain often needs large antenna size, which violates the demand of miniaturization of MIDAS. Consequently, how to design a ultra-wideband, high gain and miniaturing millimeter-wave antenna is a quire huge challenge for implementation. Because the issue of millimeter-wave antenna design is very novel. As far as I know, literatures reported in the millimeter-wave antenna become popular. Several literatures designed two resonated structures to obtain wide characteristic, and the structures were simple relatively. However, the resonated characteristic force the narrower bandwidth feature, and the frequency response fail in the MIDAS standard.
Tsou, Ming-Yu, and 鄒明祐. "Design and Analysis of Miniaturized Ultra-Wideband Antenna." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/242uas.
Full text國立臺北科技大學
電腦與通訊研究所
94
The aim of this paper is to design the miniaturized UWB antenna. The miniaturized consideration must be paid attention in UWB antenna design, because many consumer products and communication facilities are concerned with small size and light weight recently. First, the wideband mechanism and radiation patterns of a traditional cylindrical dipole antenna are discussed. Based on the mentioned consideration of the traditional cylindrical dipole antenna, a planar compact UWB antenna can be implemented. The CPW structure is used to feed the UWB antenna. The design procedures of miniaturization are as follows: First, the rectangular radiated element is used to avoid the patterns’ degradation at high frequency and the initial size of the antenna can be predicted by the formulas of the resonant length. Second, the miniaturization and impedance matching of the antenna is proceeded. By introducing the sunk ground plane and the narrow feeding-line, the UWB antenna can then be miniaturized. Since the beginning position of resonant length can be reduced by the technique of sunk ground plane, hence the antenna height also can be decreased. The mechanism of narrow feeding-line will introduce inductive effect that reduces the first resonant frequency . The antenna size can be reduced again. For the purpose of impedance matching, the beveling technique on the down side edge of radiated element and the slot on the center of the radiated element are utilized. The electromagnetic coupling effect between the down side edge of the radiated element and the sunk ground plane can be changed by adding beveled technique. This effect can help impedance matching at the middle and upper frequencies, so the bandwidth can be broadened. Finally, the higher frequency potion can be fine-tuning by etching a rectangular slot such that the upper edge frequency satisfies the criteria of 10.6 GHz. In this thesis, a small printed UWB antenna conformed to FCC standard (3.1 ~ 10.6 GHz) is proposed. The radiation E-plane patterns are displayed with traditional 8-shaped patterns, and H-plane patterns are shown omnidirectional. The antenna gain has flatness gain variation (≦4dBi) in operational bandwidth ranges, and the maximum gain is 6.731 dBi. The measured phase response shows linear response over the portion of the operating frequency rage. The magnitude of transfer parameter is dispersion at above 8 GHz, since the asymmetric shape of the radiator.
Lo, Wen-Hsin, and 羅文信. "Design of Novel Miniaturized Ultra-Wide-Band (UWB) Printed Antennas." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/49662354198225044462.
Full text國立交通大學
電機資訊學院碩士在職專班
93
In this thesis three novel ultra wide band, printed antenna has been designed, an introduction begin with a printed antenna with arc edge structure. Based on the printed monopole antenna design, this ultra wide-band antenna is contrasted with several arc and curve; which reflection losses is smaller than – 10 dB at 3GHz ~ 10.6GHz frequency range, it’s radiation pattern within this range is very much similar to the monopole antenna. The second ultra wide-band antenna is also based on the design of planar monopole antenna, unlike the previous one this antenna is made by two symmetrical binomial curve, this antenna matched in the wide frequency range from 3GHz to 10.6GHz, and it’s pattern is close to omni- directional under 8GHz. The structure of the last antenna in this thesis is designed in the same method as the second, but it’s area is about 1/4 of the second one(including ground plane), it’s matched frequency range is from 3GHz to 6.2GHz, having a approximate radiation pattern as monopole antenna.
Ling, Ching-Wei, and 凌菁偉. "Miniaturized Antennas for Ultra-Wideband and High Integration Module Applications." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/95394021420034645699.
Full text國立交通大學
電信工程系所
97
This dissertation is focused on the miniaturized antenna development for ultra-wideband (UWB) and high integration module applications. These antenna designs have the merits of simple in geometry, easy for manufacture and integration, low-cost, and exhibits a good impedance matching in addition to have stable radiation patterns over the bandwidths. Firstly, for UWB communication applications, a new binomial curved monopole UWB antenna is introduced. In this study, we propose a new edge curve, characterized by the binomial function and properly choose the parameters of the binomial function, for designing UWB antenna. Besides, to achieve the band notch function with a UWB antenna, the concept of the parallel LC circuit is applied. By adjusting the inductor and capacitor values, the suitable notch frequency and bandwidth can be achieved. The average gain is lower than -18 dBi in the stopband, while the patterns and the gains at frequencies other than in the stopband are similar to that of the antenna without the band-notched function. Secondly, a simple and compact monopole-like printed ultra-wideband antenna is presented. The antenna is composed of a monopole section and a quasi-transmission line section. The input signal from the feed line first passes through the line section then enters the monopole. The quasi-transmission line section provides different functions as the operating frequency changes. It serves not only as an impedance matching circuit but also a main radiator, which leads to the ultra-wideband performance of the antenna. Thirdly, a low-profile UWB antenna with strong vertically field has been proposed and investigated. Two L-shaped slits are embedded on the ground plane, which provide additional resonances and improve the input impedance matching thus wideband performance can be obtained. Besides, according to that the current direction on the feed and shorting strip are the same, hence, the proposed antenna has stronger vertical polarization field as compared to the conventional printed antenna in horizontal plane. Moreover, the metal body’s effect on the antenna performance also analyzed. The proposed antenna maintains good radiation characteristics while a metal plane is placed parallel under the antenna closely. The proposed antenna has a low-profile of 5 mm. Finally, a miniaturized antenna design, for the high integration module application has been proposed and demonstrated. This on-package planar inverted-F antenna (PIFA) made from a single folded metal plate and fabricate directly on the shielding package for IEEE 802.11b/g WLAN band applications. In this study, the coupling between the antenna and the RF component embedded inside the package is studied. Moreover, an on-package PIFA integrated with a WLAN front-end module (FEM) and a WLAN card containing the baseband/medium access control (MAC) circuitry is successfully implemented. The Error Vector Magnitude (EVM) in the operating band is better than -30 dB, indicating the good performance of the architecture. From the tested result, it seems that the on-package PIFA has good radiation characteristic and thus suitable for the WLAN communication applications. The prototype has a compact size of 15 mm × 20 mm × 3.5 mm.
徐若涵. "Design and Applications of Miniaturized Optical System using Ultra-precision Manufacturing." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/38044225413900043999.
Full textIN, AO IEONG IAT, and 歐陽逸賢. "Ultra Compact Miniaturized Common-mode Filter for GHz Signals in LTCC Technology." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/93557683939292630930.
Full text國立臺灣大學
電信工程學研究所
98
Compact SMD-typed common-mode filters applying single mushroom structure is proposed and miniaturized in this thesis. This type of filters is realized in LTCC technology and can be mounted on PCB using surface-mount technology (SMT). By routing the signal traces symmetrically, different effects are produced to common mode and differential mode. For common mode signal, the return current go through the mushroom structure, while the odd mode return current is zero at the via. By designing the physical parameters, the desired performance can be achieved. The SMD-typed filters are unlike the conventional common-mode choke. The filter has wide-band common-mode suppression and good differential signal integrity at GHz frequency range. In this thesis, it is focused on the design, analysis and investigation of the effect on differential physical configuration of the structure. The common mode suppression of the filters with fractional bandwidth larger than 100% is achieved in frequency domain. In time domain, the filters produce over 60% reductions in common-mode noise voltage. More importantly, very little influence is seen for differential signal; hence, the high-quality signal integrity is maintained.
Cheng, He-Guang, and 鄭和光. "Novel Ultra Miniaturized-Element Design of Frequency Selective Surfaces and Miniaturization Index." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/78370325298034247740.
Full text國立臺灣大學
光電工程學研究所
104
In this dissertation, we improved the method for comparing the miniaturization ability of frequency selective surface. We proposed the miniaturization index which can judge the miniaturization ability of FSS in different period or different linewidth. We also proposed three novel designed miniaturized-element frequency selective surfaces. They have great miniaturization ability and oblique incident stability.
Book chapters on the topic "Ultra-Miniaturized"
Jaradat, Heba H., Nihad I. Dib, and Khair A. Al Shamaileh. "A miniaturized ultra-wideband Wilkinson power divider using non-uniform coplanar waveguide." In Proceedings of the 1st International Congress on Engineering Technologies, 63–67. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003178255-9.
Full textFritsch, Marco, Sindy Mosch, Mykola Vinnichenko, Nikolai Trofimenko, Mihails Kusnezoff, Franz-Martin Fuchs, Lena Wissmeier, Nikolay Samotaev, Maya Etrekova, and Dmitry Filipchuk. "Printed Miniaturized Platinum Heater on Ultra-Thin Ceramic Membrane for MOX Gas Sensors." In Springer Proceedings in Physics, 97–103. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58868-7_11.
Full textMangal, Jai, and Mansi Parmar. "A Miniaturized Four-Port Annular MIMO Antenna for Ultra-Wideband Frequency Range Application." In Advances in Communication, Devices and Networking, 203–12. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2911-2_22.
Full textColella, Micol, Micaela Liberti, Francesca Apollonio, and Giorgio Bonmassar. "A Miniaturized Ultra-Focal Magnetic Stimulator and Its Preliminary Application to the Peripheral Nervous System." In Brain and Human Body Modeling 2020, 167–76. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45623-8_9.
Full textZecca, Massimiliano, Salvatore Sessa, Zhuohua Lin, Takashi Suzuki, Tomoya Sasaki, Kazuko Itoh, Hiroshi Iseki, and Atsuo Takanishi. "Development of the Ultra-Miniaturized Inertial Measurement Unit WB3 for Objective Skill Analysis and Assessment in Neurosurgery: Preliminary Results." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2009, 443–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04268-3_55.
Full textNosrati, M., and M. S. Fealy. "A Novel High-Miniaturized Semi-fractal Branch-Line Coupler Using Loaded Coupled Transmission Lines." In Ultra-Wideband, Short Pulse Electromagnetics 9, 151–55. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-0-387-77845-7_17.
Full textNosrati, M., S. Abbaspour, and A. Najafi. "Bandwidth Enhancement and Further Size Reduction of a Class of Miniaturized Elliptic-Function Low-Pass Filter." In Ultra-Wideband, Short Pulse Electromagnetics 9, 165–69. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-0-387-77845-7_19.
Full textHernandez-Silveira, Miguel, Su-Shin Ang, and Alison Burdett. "Advances in Ultra-Low-Power Miniaturized Applications for Health Care and Sports." In Novel Advances in Microsystems Technologies and Their Applications, 463–95. CRC Press, 2017. http://dx.doi.org/10.1201/b15283-20.
Full textShimma, Shuichi, Shinichi Miki, Robert B. Cody, and Michisato Toyoda. "Ultra-High Mass Resolution Miniaturized Time-of-Flight Mass Spectrometer “infiTOF” for Rapid Analysis of Polychlorinated Biphenyls." In Advanced Techniques in Gas Chromatography–Mass Spectrometry (GC–MS–MS and GC–TOF–MS) for Environmental Chemistry, 303–23. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-444-62623-3.00013-7.
Full textConference papers on the topic "Ultra-Miniaturized"
Guo, Lu, Wenquan Che, and Wanchen Yang. "A Miniaturized Planar Ultra-Wideband Antenna." In 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2018. http://dx.doi.org/10.1109/apusncursinrsm.2018.8608491.
Full textVigneshram, R., V. Abhaikumar, S. Raju, and S. Deepak Ram Prasath. "A miniaturized ultra-wideband UHF antenna." In 2016 IEEE Indian Antenna Week (IAW 2016). IEEE, 2016. http://dx.doi.org/10.1109/indianaw.2016.7883588.
Full textHong, Young-Pyo, Seong-Sik Myoung, Byung-Jun Jang, Yongshik Lee, and Jong-Gwan Yook. "Miniaturized CPW Filter for Ultra-Wideband Applications." In 2008 38th European Microwave Conference (EuMC). IEEE, 2008. http://dx.doi.org/10.1109/eumc.2008.4751664.
Full textDing, Wen, Sheng Liu, Bihong Zhan, and Gaofeng Wang. "A miniaturized ultra-wideband CPW-fed antenna." In 2015 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO). IEEE, 2015. http://dx.doi.org/10.1109/nemo.2015.7414995.
Full textTaghinejad, Hossein, and Ali Adibi. "Ultra-miniaturized lateral heterostructures in 2D semiconductors." In Active Photonic Platforms XIII, edited by Ganapathi S. Subramania and Stavroula Foteinopoulou. SPIE, 2021. http://dx.doi.org/10.1117/12.2593849.
Full textNing, Yong, Ling Ling, Fengting Bao, and Zhaolong Li. "An Ultra-Wideband Miniaturized Antipodal Vivaldi Antenna." In 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2018. http://dx.doi.org/10.1109/icmmt.2018.8563335.
Full textAndresen, Esben Ravn, Siddharth Sivankutty, Viktor Tsvirkun, Karen Baudelle, Olivier Vanvincq, Géraud Bouwmans, and Hervé Rigneault. "Ultra-miniaturized Endoscopes with Multi-Core Fibers." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/ofc.2020.m2c.1.
Full textZhu, Yameng, Yonggang Zhou, and Tong Xu. "Miniaturized Ultra-wideband Ground Penetrating Radar Antenna." In 2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall). IEEE, 2019. http://dx.doi.org/10.1109/piers-fall48861.2019.9021458.
Full textHamouda, Mohamed, Georg Fischer, Robert Weigel, and Thomas Ussmueller. "Ultra wide band power amplifier for miniaturized antennas." In 2014 IEEE International Wireless Symposium (IWS). IEEE, 2014. http://dx.doi.org/10.1109/ieee-iws.2014.6864260.
Full textChoi, Se-Hwan, Ho-Jun Lee, and Jong-Kyu Kim. "Miniaturized Ultra-wideband Antennas with Band Notch Characteristic." In 2008 38th European Microwave Conference (EuMC). IEEE, 2008. http://dx.doi.org/10.1109/eumc.2008.4751698.
Full textReports on the topic "Ultra-Miniaturized"
Trott, W. M., and K. L. Erickson. Ultra-high-speed studies of shock phenomena in a miniaturized system: A preliminary evaluation. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/531091.
Full text