Academic literature on the topic 'Scattering signal'

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Journal articles on the topic "Scattering signal"

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Wang, Xinyu, Lin Wang, Peng Lin, Hui Xie, Xinyi Xu, Qi Zeng, Yonghua Zhan, and Xueli Chen. "Simulation of stimulated Raman scattering signal generation in scattering tissues excited by Bessel beams." Journal of Innovative Optical Health Sciences 14, no. 03 (February 20, 2021): 2150008. http://dx.doi.org/10.1142/s1793545821500085.

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Stimulated Raman scattering (SRS) microscopy has the ability of noninvasive imaging of specific chemical bonds and been increasingly used in biomedicine in recent years. Two pulsed Gaussian beams are used in traditional SRS microscopes, providing with high lateral and axial spatial resolution. Because of the tight focus of the Gaussian beam, such an SRS microscopy is difficult to be used for imaging deep targets in scattering tissues. The SRS microscopy based on Bessel beams can solve the imaging problem to a certain extent. Here, we establish a theoretical model to calculate the SRS signal excited by two Bessel beams by integrating the SRS signal generation theory with the fractal propagation method. The fractal model of refractive index turbulence is employed to generate the scattering tissues where the light transport is modeled by the beam propagation method. We model the scattering tissues containing chemicals, calculate the SRS signals stimulated by two Bessel beams, discuss the influence of the fractal model parameters on signal generation, and compare them with those generated by the Gaussian beams. The results show that, even though the modeling parameters have great influence on SRS signal generation, the Bessel beams-based SRS can generate signals in deeper scattering tissues.
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Ramachandran, R., A. A. Deshpande, and B. W. Stappers. "Search for Single Scattering Events." International Astronomical Union Colloquium 177 (2000): 565–68. http://dx.doi.org/10.1017/s0252921100060632.

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Radio signals, during their passage through the intervening medium, are scattered due to irregularities in the density of free electrons in the interstellar medium. Signals from distant sources undergo, most often,strong & multiple scatteringwhile the signals from nearby sources may be onlyweakly scatteredeven at meter wavelengths. It is likely that the scattering of signals from some nearby sources is possibly non-multiple in nature and hence may show a distinct signature ofsingle or discrete scattering events. In such a situation we receive, along with the direct unscattered signal, only a few discrete delayed versions of the signal. In such a case, it appears possible to probe the properties (such as the size and the density contrast) of the discrete density-irregularities responsible for the scattering, if the associated delays can be measured.
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CAO, Z., and Y. D. HE. "SIGNAL OF QUARK SUBSTRUCTURE IN HADRONIC INTERACTIONS AT SMALL SCATTERING ANGLES." Modern Physics Letters A 10, no. 03 (January 30, 1995): 267–72. http://dx.doi.org/10.1142/s0217732395000296.

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We explore the possibility of searching for signals of quark substructure in hadronic interactions at small scattering angles. Incorporating the four-fermion contact interaction due to scatterings between constituents of quarks in the lowest order QCD formalism, we find a deviation in the jet inclusive cross-sections at small scattering angles from the prediction by standard model. This strategy can be used to look for the compositeness of quarks at 1016 eV by analyzing cosmic ray double-core γ-family data.
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Zhang, Rongrui, and Heng Zhao. "A Novel Method for Online Extraction of Small-Angle Scattering Pulse Signals from Particles Based on Variable Forgetting Factor RLS Algorithm." Sensors 21, no. 17 (August 26, 2021): 5759. http://dx.doi.org/10.3390/s21175759.

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The small-angle optical particle counter (OPC) can detect particles with strong light absorption. At the same time, it can ignore the properties of the detected particles and detect the particle size singly and more accurately. Reasonably improving the resolution of the low pulse signal of fine particles is key to improving the detection accuracy of the small-angle OPC. In this paper, a new adaptive filtering method for the small-angle scattering signals of particles is proposed based on the recursive least squares (RLS) algorithm. By analyzing the characteristics of the small-angle scattering signals, a variable forgetting factor (VFF) strategy is introduced to optimize the forgetting factor in the traditional RLS algorithm. It can distinguish the scattering signal from the stray light signal and dynamically adapt to the change in pulse amplitude according to different light absorptions and different particle sizes. To verify the filtering effect, small-angle scattering pulse extraction experiments were carried out in a simulated smoke box with different particle properties. The experiments show that the proposed VFF-RLS algorithm can effectively suppress system stray light and background noise. When the particle detection signal appears, the algorithm has fast convergence and tracking speed and highlights the particle pulse signal well. Compared with that of the traditional scattering pulse extraction method, the resolution of the processed scattering pulse signal of particles is greatly improved, and the extraction of weak particle scattering pulses at a small angle has a greater advantage. Finally, the effect of filter order in the algorithm on the results of extracting scattering pulses is discussed.
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Gagin, Anton, and Igor Levin. "A Bayesian approach to removal of incoherent scattering from neutron total-scattering data." Journal of Applied Crystallography 47, no. 6 (November 28, 2014): 2060–68. http://dx.doi.org/10.1107/s1600576714023796.

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A Bayesian statistics approach for subtraction of incoherent scattering from neutron total-scattering data has been developed and implemented in a public domain software package. In this approach, the estimated background signal associated with incoherent scattering maximizes the posterior probability, which combines the likelihood of this signal in reciprocal and real spaces with the prior that favors smooth lines. The probability distributions are constructed according to the principle of maximum entropy. The method enables robust subtraction of incoherent-scattering backgrounds while providing estimated uncertainties for recovered signals. The developed procedure was first tested using simulated data and then demonstrated using three representative experimental data sets, collected on bulk materials and nanoparticles, featuring distinct ratios of coherent to incoherent scattering.
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Wu, Xuerui, and Shuanggen Jin. "A Simulation Study of GNSS-R Polarimetric Scattering from the Bare Soil Surface Based on the AIEM." Advances in Meteorology 2019 (May 8, 2019): 1–9. http://dx.doi.org/10.1155/2019/3647473.

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In the past two decades, global navigation satellite system-reflectometry (GNSS-R) has emerged as a new remote sensing technique for soil moisture monitoring. Some experiments showed that the antenna of V polarization is more favorable to receive the reflected signals, and the interference pattern technique (IPT) was used for soil moisture and retrieval of other geophysical parameters. Meanwhile, the lower satellite elevation angles are most impacted by the multipath. However, electromagnetic theoretical properties are not clear for GNSS-R soil moisture retrieval. In this paper, the advanced integral equation model (AIEM) is employed using the wave-synthesis technique to simulate different polarimetric scatterings in the specular directions. Results show when the incident angles are larger than 70°, scattering at RR polarization (the transmitted signal is right-hand circular polarization (RHCP), while the received one is also RHCP) is larger than that at LR polarization (the transmitted signal is RHCP, while the received one is left-hand circular polarization (LHCP)), while scattering at LR polarization is larger than that at RR polarization for the other incident angles (1°∼70°). There is an apparent dip for VV and VR scatterings due to the Brewster angle, which will result in the notch in the final receiving power, and this phenomenon can be used for soil moisture retrieval or vegetation corrections. The volumetric soil moisture (vms) effects on their scattering are also presented. The larger soil moisture will result in lower scattering at RR polarization, and this is very different from the scattering of the other polarizations. It is interesting to note that the surface correlation function only affects the amplitudes of the scattering coefficients at much less level, but it has no effects on the angular trends of RR and LR polarizations.
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Xiong, Qing Song, Zhao Hua Wu, Pin Chen, and Sheng Zhang. "Analysis of Characteristic of Microstrip Signal Loss in Course of Signal Transmission." Advanced Materials Research 194-196 (February 2011): 2229–32. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.2229.

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The effect of loss of transmission line on the transmission signal can’t be ignored in microwave circuits. Based on the theory of loss and microwave network principle, the effect of the width, parallel length and space of transmission lines on the scattering parameters’ insertion loss is analyzed in perspective of scattering parameters of the odd mode and even mode. The simulation results show that: when the other parameters are fixed, both the characteristic impedance and the conductor loss decrease non-linearly with the line width broadening; due to the coupling effect between micro-strip lines, the first trough frequency of the scattering parameter S21 curved line, that is the point the signal energy attenuate most seriously, decreases linearly with line width broadening and increases non- linearly with line spaces broadening.
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Gupta, B. D., T. J. Borys, S. Deshpande, R. E. Jones, and E. W. Abrahamson. "Light-induced interaction between rhodopsin and GTP-binding protein leads to the hydrolysis of GTP in the rod outer segment." Biochemistry and Cell Biology 64, no. 4 (April 1, 1986): 304–8. http://dx.doi.org/10.1139/o86-042.

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In the presence of exogeneous GTP, vertebrate whole rod outer segments (ROS), with perforated plasma membranes in the "single particle" scattering range, elicit a light-induced light-scattering transient which we call the "G" signal. Here, we report on the characteristics of the "G" signal relative to the "binding" and "dissociation" signals reported by Kuhn and colleagues. Replacing GTP with guanylyl imidodiphosphate (GMP-PNP) does not give rise to the G signal. This indicates that hydrolysis of the terminal phosphate is required for the G signal and, in addition. GTP and GMP-PNP compete for the same binding site of the enzyme responsible for the G signal (i.e., GTP-binding protein). Also, neither GDP nor its nonhydrolyzable analogue, guanosine 5′-O-(2-thiodiphosphate), when present in ROS suspensions yield any light-scattering transient in the time period tested.
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Zhang, Yan Min, Xing Guang Qi, and Qing Hua Li. "Simulation of Dynamic Light Scattering Signal Based on AR Model." Applied Mechanics and Materials 571-572 (June 2014): 840–44. http://dx.doi.org/10.4028/www.scientific.net/amm.571-572.840.

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According to the autocorrelation function (ACF) of the ultrafine particles, the auto-regressive (AR) model used for dynamic light scattering (DLS) signals simulation can be established. By the method, DLS signals for nanoparticles distribution are simulated respectively and every ACF of simulation signal performs a great agreement with its theory value. The simulation signals were respectively inversed and inversion errors are less than 5.25%. The particles size inversions of Photon Correlation Spectroscopy (PCS) are obtained by Morozov discrepancy principle. Experiments show that the method based on AR model is feasible in DLS signal simulation.
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Kamisiński, Tadeusz, Krzysztof Brawata, Adam Pilch, Jarosław Rubacha, and Marcin Zastawnik. "Test Signal Selection for Determining the Sound Scattering Coefficient in a Reverberation Chamber." Archives of Acoustics 37, no. 4 (December 1, 2012): 405–9. http://dx.doi.org/10.2478/v10168-012-0051-2.

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Abstract The paper focuses on the problem of test signal selection in determining the sound scattering coefficient in accordance with ISO 17497-1. Research shows that the use of MLS signal is preferred in this procedure. The sine sweep signal, despite its advantages, presents certain limitations if the sample is moving during measurement. An attempt has been made to develop a method that allows for minimization of error, demonstrating the dependence of the obtained values of the sound scattering coefficient on the rotational speed of the turntable and type of test signal. Conditions for the application of the sine sweep signals in continuous and discrete measurements were defined.
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Dissertations / Theses on the topic "Scattering signal"

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Jussila, Adam P. "Simulating Pulsar Signal Scattering in the Interstellar Medium with Two Distinct Scattering Phenomena." Oberlin College Honors Theses / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=oberlin1528814998720461.

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Yeo, Richard Fraser. "The three dimensional simulation of VLF signal scattering." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286749.

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Call, John B. "Large-signal characterization and modeling of nonlinear devices using scattering parameters." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/35548.

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Characterization and modeling of devices at high drive levels often requires specialized equipment and measurement techniques. Many large-signal devices will never have traditional nonlinear models because model development is expensive and time-consuming. Due to the complexity of the device or the size of the application market, nonlinear modeling efforts may not be cost effective. Scattering parameters, widely used for small-signal passive and active device characterization, have received only cursory consideration for large-signal nonlinear device characterization due to technical and theoretical issues. We review the theory of S-parameters, active device characterization, and previous efforts to use S-parameters with large-signal nonlinear devices. A robust, calibrated vector-measurement system is used to obtain device scattering parameters as a function of drive level. The unique measurement system architecture allows meaningful scattering parameter measurements of large-signal nonlinear devices, overcoming limitations reported by previous researchers. A three-port S-parameter device model, with a nonlinear reflection coefficient terminating the third port, can be extracted from scattering parameters measured as a function of drive level. This three-port model provides excellent agreement with device measurements across a wide range of drive conditions. The model is used to simulate load-pull data for various drive levels which are compared to measured data.
Master of Science
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Hamilton, Shaun Ashley, and mikewood@deakin edu au. "A technique for improving the reception of scattering signal behind an obstacle." Deakin University. School of Sciences, 1991. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060726.151839.

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This thesis presents a solution to the problem of receiving a signal in the shadow and fringe areas. Theoretical and experimental investigation of the field behind an obstacle in a line of sight transmission path for UHF / microwave signals has resulted in a new approach to the analysis of electromagnetic fields in the shadow of an obstacle. Analysis using this approach showed the field to consist of varying amplitude and phase distribution. Additional analysis predicted an increase in received signal could be achieved if correlation between the field and antenna structure could be obtained. This was accomplished with a new antenna design. The thesis presents experimental and photographic evidence to support the theory. A novel technique involving the matching of the antenna structure to the field distribution, resulted in an increase of received signal in the diffracted field of up to 4 dB.
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Bowen, Stephen Gerard. "Forward scattering of a pulsed continuous wave signal through laminar and turbulent thermal plumes." Thesis, Springfield, Va. : Available from the National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA271210.

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Thesis (Degree of Ocean Engineer)-- Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution, Sept. 1993.
Thesis advisor(s): Catipovic, Josko. September 1993. Bibliography: p. 72-74. Also available online.
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Alkhafaji, Nasr Nomas Hussein. "UHF and Microwave Phase-Modulated Scattering Array." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/4998.

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This dissertation investigates the use an array of active nonlinear elements, with particular emphasis on controlling distortion products generated by nonlinear elements in space rather than using conventional ways such as transmission lines, waveguides, and power dividers and combiners. The nonlinear elements are made of assemblies of antennas and electronic switches, called modulated scatterers (MSs). These so-called MSs elements are utilized in a wide variety of applications such as radio frequency identification (RFID) systems, microwave imaging, Internet-of-Things sensors, etc. However, no research work has been reported in the literature regarding exploiting and controlling several distortion products generated by MSs at the same time according to the best of authors' knowledge. To facilitate controlling distortion products which means suppressing or enhancing distortion products in space, we present a nonlinear array with elements that are MSs instead of conventional antennas. MSs are switched ON-OFF at different times by modulation signals having the same frequency. The time delay of the switching process between array elements represents a relative phase shift difference in the frequency domain. Thus, the presented structure is called the phase-modulated scattering array (PMSA). The PMSA has a similar layout of phased arrays, but it does not have a feeding network and is fed by an external source called the illuminating source. Because our system does not need a feeding network and phase shifters, it is potentially easier to implement with low cost. Two different signals which are the illuminating (incident) and modulation signals interact inside switches to generate a huge number of distortion products due to the nonlinearity of switches and the periodic nature of the presented system. Distortion products then leave the presented PMSA to space again (i.e., scattering distortion products). The PMSA is able to treat distortion products and achieve beamforming functions. The operation mechanism of the PMSA is explained by developing two different mathematical models. Communication signal processing perspectives are the basis of the first mathematical model developed to show the spatial characteristics of distortion products generated by our presented PMSA. Its root is originated from a mathematical model of the widely-used polyphase multipath technique in RF communication circuits. However, the adopted technique is suitable only for communication circuits with a single output and parameters prescribed in advance. Thus, the model is further developed to circumvent all the problems mentioned above and to be able to detect the spatial characteristics of distortion products at any point in space. Static impacts of the measurement environment, real radiation patterns of actual antennas utilized in prototypes, and phase and gain errors among paths have been taken into account as well. In the model, every single scatterer is represented by a single separate path. Furthermore, the modified model is extended to include single, two, and multi tones modulation signals. Simulation results have been obtained before and after the modification for a different number of paths and modulation signals with different tones. Results show that the modified model can quantify spatial characteristics of distortion products at any point in space where specific distortion products are enhanced, and others are canceled. Because distortion products are independent in their nature (i.e., each single distortion product has different frequency and phase), they have independent radiation patterns (scattered beams). Therefore, the second mathematical model based on phased antenna array perspectives is developed. The relationship between the two models states that a distortion product which is enhanced at a certain point in space has a maximum scattered beam at that point. Also, the second mathematical model being similar to mathematical models of phased arrays considers effects of all distortion products resulting from single, two, and multi tones modulation signals, and it states that each single distortion component has its particular scattered beam. Next, sub-models for some properties and applications of the presented PMSA such as a diffraction grating-like behavior, nonreciprocity, beamforming, a tool for distortion product analysis of phased arrays and multi-input multi-output (MIMO systems), a reconfigurable-spatial harmonic generator, and a direction finding technique are derived depending on the two main mathematical models. All parts are simulated and results validate all proposed functionalities. Single antennas, antenna arrays, electronic switches (modulators), and a 4-to-8 phase transformer kit using only resistors have been designed, simulated, fabricated, assembled, and tested. Eventually, different structures of the presented PMSAs working at 432MHz and 2.3GHz are tested inside the anechoic chamber. Both frequencies are downconverted to the band 2-22kHz. Modulation signals used in the experimental setups are single and two tones. Data are measured using the commercial software SigView running on a laptop and a spectrum analyzer. Both spatial characteristics and scattered beams of distortion products are measured. Comparisons have been made between measured received responses of scattered signals and theoretical results. They are in good agreement although limitations and challenges are encountered with each round of measurement. Measured results confirm practically that as a number of scatterers increases, more distortion products are controlled at the same time. The distortion product rejection ratio DPRR is more than 15dB for all measured distortion products supposed to be canceled. Directions of scattered beams are found at expected locations with errors less than 3%. Furthermore, directions of illuminating signals or distances separating between PMSA elements are varied to change directions of scattered beams when prescribed values of parameters governing the overall performance are being broken. In other words, the beamforming functionality has been validated practically. Different elements of 8*1-PMSA are turned-off at measurements in order to find fault tolerances of the presented system. Measured results show that when two elements are failed simultaneously, responses can be accepted to some extent.
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Millar, Alexander Paul. "Plasma diagnostic signal analysis : a Bayesian based genetic algorithm approach." Thesis, University of Glasgow, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326472.

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Duffy, Christopher. "Stimulated Brillouin Scattering In Monomode Optical Fibres For Sensing And Signal Processing Applications." Thesis, Cranfield University, 1994. http://dspace.lib.cranfield.ac.uk/handle/1826/4550.

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This thesis describes research into non-linear optical effects in monomode fibres for sensing and signal processing schemes. The work is initially placed into the context of relevant fibre sensor applications for aerospace. Candidate non-linear processes are then described and Stimulated Brillouin Scattering (SBS) targeted as a suitable mechanism. The SBS process in monomode fibres is then fully described, including a theoretical assessment of the magnitude of both pump and Stokes signals with fibre length. The project developed, firstly, an all-optical frequency shifter using SBS which generated output carriers in the 1-70OMHz regýon, depending on fibre type and system topology. In particular, a single-fibre system was demonstrated for the first time. Limitations of the technique arose through fibre photosensitivity and non-linear dynamical effects which, respectively, increased the input pump power requirements and introduced intensity and frequency instabilities into the output signal. Both processes were investigated fully. Optical fibre and pump characteristics, and system configurations, were therefore identified which minimised their impact. The same SBS heterodyning principles were then used to investigate single-pump sensor systems. Both 'quasi-point' and two-element, multiplexed temperature sensors were demonstrated. A linear relationship between the Stokes frequency and temperature was obtained from 5 to 55'C, determined primarily by the thermal response of the acoustic phonon velocity. The sensing resolution was typically ±2'C, limited by the non-linear dynamical effects, and the spatial resolution was determined by the pump/fibre interaction length. One unique sensing element per optical input was demonstrated. These results are then placed in the context of systems utilising alternative SBS-based strategies, other non-linear effects and fibre ring resonators. Management elements of the project were covered by detailing both the technical and strategic motivations for undertaking the research and, by describing the issues on which a cost benefit analysis of fibre sensors for aircraft can be undertaken.
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Riley, Douglas J. "Single and multiple electromagnetic scattering by dielectric obstacles from a resonance perspective." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/71273.

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A new application of the singularity expansion method (SEM) is explored. This application combines the classical theory of wave propagation through a multiple scattering environment and the SEM. Since the SEM is generally considered a theory for surface currents on conducting scatterers, extensions are made which permit, under certain conditions, a singularity expansion representation of the electromagnetic field scattered by a dielectric scatterer. Application of this expansion is then made to the multiple scattering case using both single and multiple interactions. A resonance scattering tensor form is used for the SEM description which leads to an associated tensor form of the solution to the multiple scattering problem with each SEM pole effect appearing explicitly. The coherent field is determined for both spatial and SEM parameter random variations. A numerical example for the case of an ensemble of lossy dielectric spheres is made. Accurate resonance expansions for the single scattering problem are derived, and resonance trajectories based on the Debye relaxation model for the refractive index are introduced. Application of the resonance expansions to the multiple scattering results for a slab containing a distribution of spheres with varying radii is made. Conditions are discussed for when the hybrid theory is appropriate.
Ph. D.
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Walsh, Norman J. "Bandwidth and signal-to-noise ratio enhancement of the NPS Transient Electromagnetic Scattering Laboratory." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25710.

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Books on the topic "Scattering signal"

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Conway, G. D. Scattering of reflectometer signals from rippled surfaces. Saskatoon, Sask: University of Saskatchewan, Plasma Physics Laboratory, 1993.

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Walsh, Norman J. Bandwidth and signal-to-noise ratio enhancement of the NPS Transient Electromagnetic Scattering Laboratory. Monterey, Calif: Naval Postgraduate School, 1989.

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Seismic Wave Propagation and Scattering in the Heterogenous Earth (Modern Acoustics and Signal Processing). New York: Springer-Verlag New York, Inc,, 1998.

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K, Chan Andrew, ed. Fundamentals of wavelets: Theory, algorithms, and applications. New York: Wiley, 1999.

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K, Chan Andrew, ed. Fundamentals of wavelets: Theory, algorithms, and applications. 2nd ed. Hoboken, N.J: Wiley, 2010.

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Rodriguez, B. E. Further studies on the scattering properties of skin using ultrasonic signals. Manchester: UMIST, 1996.

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1970-, Bal Guillaume, and International Workshop on Inverse Transport Theory and Tomography (2009 : Banff, Alta.), eds. Tomography and inverse transport theory: International Workshop on Mathematical Methods in Emerging Modalities of Medical Imaging, October 25-30, 2009, Banff, Canada : International Workshop on Inverse Transport Theory and Tomography, May 16-21, 2010, Banff, Canada. Providence, R.I: American Mathematical Society, 2011.

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Singh, Hema, H. L. Sneha, and Rakesh Mohan Jha. Scattering Cross Section of Unequal Length Dipole Arrays. Springer, 2015.

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Somapee, Soonpuen. Computer algorithms for measurement control and signal processing of transient scattering signatures. 1988.

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Kaashoek, M. A. Signal Processing, Scattering and Operator Theory, and Numerical Methods (Progress in Systems & Control Theory). Birkhauser Verlag AG, 1990.

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Book chapters on the topic "Scattering signal"

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Ricker, Dennis W. "Spread Scattering and Propagation." In Echo Signal Processing, 319–405. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0312-5_6.

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Yu, Kegen. "Signal Scattering and Reception Schemes." In Navigation: Science and Technology, 35–60. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0411-9_3.

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Yagle, Andrew E. "Generalized Split Levinson, Schur, and Lattice Algorithms for Estimation and Inverse Scattering." In Signal Processing, 239–51. New York, NY: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-6393-4_17.

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Sprechmann, Pablo, Joan Bruna, and Yann LeCun. "Audio Source Separation with Discriminative Scattering Networks." In Latent Variable Analysis and Signal Separation, 259–67. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22482-4_30.

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Denney, B. S., and R. J. P. De Figueiredo. "Scattering-Based Tomography for HRR and SAR Prediction." In Radar Signal Processing and Its Applications, 207–22. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4757-6342-3_10.

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Vogt, Jochen, Christian Huck, Frank Neubrech, and Annemarie Pucci. "Plasmonic Light Scattering and Infrared Vibrational Signal Enhancement." In ACS Symposium Series, 1–19. Washington, DC: American Chemical Society, 2016. http://dx.doi.org/10.1021/bk-2016-1246.ch001.

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Hareesh Babu, M., M. Bala Naga Bhushanamu, D. S. S. N. Raju, B. Benarji, and M. Purnachandra Rao. "Scattering of SODAR Signal Through Rough Circular Bodies." In Lecture Notes in Electrical Engineering, 277–90. New Delhi: Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2728-1_25.

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Favro, L. D., D. J. Crowther, P. K. Kuo, and R. L. Thomas. "Inverse Scattering of Pulsed Thermal Waves." In Advances in Signal Processing for Nondestructive Evaluation of Materials, 187–91. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1056-3_15.

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Kim, Andrew J., John W. Fisher, and Alan S. Willsky. "Detection and Analysis of Anisotropic Scattering in SAR Data." In Radar Signal Processing and Its Applications, 49–82. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4757-6342-3_3.

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Sagel, Alexander, Dominik Meyer, and Hao Shen. "Texture Retrieval Using Scattering Coefficients and Probability Product Kernels." In Latent Variable Analysis and Signal Separation, 506–13. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22482-4_59.

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Conference papers on the topic "Scattering signal"

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"Signal processing." In 2017 Radiation and Scattering of Electromagnetic Waves (RSEMW). IEEE, 2017. http://dx.doi.org/10.1109/rsemw.2017.8103632.

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2

Daun, K. J., K. A. Thomson, and F. Liu. "Analysis of In-Scattering Effects on Laser Induced Incandescence Measurements Through Backwards Monte Carlo." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43611.

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Laser-induced incandescence (LII) measurements carried out on aerosols having a large particle volume fraction must be corrected for extinction between the energized aerosol particles and the detector, called signal trapping. While standard correction techniques have been developed for signal trapping by absorption, signal trapping due to scattering requires further investigation, particularly the case of highly anisotropic scattering. This paper examines this effect in an aerosol containing highly-aggregated soot particles by simulating LII signals using a backwards Monte Carlo analysis; the signals are then used to recover a pyrometric beam temperature and soot volume fraction. The results show that in-scattered radiation is a substantial component of the LII signal under high soot loading conditions, which can strongly influence the properties derived from these measurements. Correction techniques based on Bourguer’s law are shown to be effective in mitigating the effect of scatter on the LII signals.
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Fiddy, M. A., A. Kanaev, U. Shahid, and M. Testorf. "Synthesis of Strongly Scattering Structures." In Signal Recovery and Synthesis. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/srs.2005.sma1.

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Gelozhe, Y. A., P. P. Klimenko, and A. V. Maksimov. "Radio Channel Interference Immunity Using Minimum Shift Keying Signal in the System of Time-spatial Processing of Signals." In 2019 Radiation and Scattering of Electromagnetic Waves (RSEMW). IEEE, 2019. http://dx.doi.org/10.1109/rsemw.2019.8792765.

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Schotland, John C. "Inverse Scattering Problems with Interior Control." In Signal Recovery and Synthesis. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/srs.2009.stub1.

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Schneider, Thomas. "Stimulated Brillouin Scattering based Optical Signal Processing." In CLEO: Science and Innovations. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/cleo_si.2020.sm1p.3.

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Tanida, Jun, and Ryoichi Horisaki. "Learning-based signal retrieval from scattering media." In SPECKLE 2018: VII International Conference on Speckle Metrology, edited by Michal Józwik, Leszek R. Jaroszewicz, and Malgorzata Kujawińska. SPIE, 2018. http://dx.doi.org/10.1117/12.2322800.

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Fox, Maxine R., Raghu G. Raj, and Ram M. Narayanan. "Quantized wavelet scattering networks for signal classification." In Radar Sensor Technology XXIII, edited by Kenneth I. Ranney and Armin Doerry. SPIE, 2019. http://dx.doi.org/10.1117/12.2519659.

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Chuang, C. H., and Y. L. Lo. "Heterodyne Detection Signal Analysis in Apertureless Scanning Near-Field Optical Microscopy." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52186.

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Apertureless scattering near-field optical microscopy (A-SNOM) is generally performed using a heterodyne detection technique since it provides a higher signal-to-noise (S/N) ratio than homodyne detection. Accordingly, this study constructs a robust interference-based model of the detection signal which takes account of both the tip enhancement phenomena and the tip reflective background electric field to analyze the amplitude and phase of heterodyne detection signals at different harmonics of the tip vibration frequency. The analytical results indicate that the high-order harmonic tip scattering noise decays more rapidly with a high-order Bessel function for small phase modulation depths than the near-field interaction signal. It is also shown that the signal contrast improves as the wavelength of the illuminating light source is increased or the incident angle is reduced. As compared with homodyne technique, it can be found the signal contrast is much improved in visible region in heterodyne technique. The results presented in this study provide an improved understanding of the complex signal detected in the heterodyne A-SNOM technique and suggest potential means of improving its S/N ratio such that the signal contrast of heterodyne A-SNOM can be improved.
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Wang, Qianya, and Hongwen Yang. "Optimal antenna layout under uniformly scattering environments." In Signal Processing (WCSP 2010). IEEE, 2010. http://dx.doi.org/10.1109/wcsp.2010.5633464.

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Reports on the topic "Scattering signal"

1

Kailath, Thomas. Signal Estimation, Scattering Theory and Interpolation Problems in One and Two Dimensions. Fort Belvoir, VA: Defense Technical Information Center, February 1986. http://dx.doi.org/10.21236/ada168969.

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2

Clay, C. S. Scattering of Acoustic Signals from the Underside of Sea Ice. Fort Belvoir, VA: Defense Technical Information Center, April 1994. http://dx.doi.org/10.21236/ada280748.

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Mishra, Sanjib Ratan. A Study of Wrong Sign Muon and Trimuon Events in Neutrino - Nucleon Scattering. Office of Scientific and Technical Information (OSTI), January 1986. http://dx.doi.org/10.2172/1433224.

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Voronovich, Alexander G., and Vladimir E. Ostashev. Propagation of Low-Frequency, Transient Acoustic Signals through a Fluctuating Ocean: Development of a 3D Scattering Theory and Comparison with NPAL Experimental Data. Fort Belvoir, VA: Defense Technical Information Center, September 2012. http://dx.doi.org/10.21236/ada575131.

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Voronovich, Alexander G., and Vladimir E. Ostashev. Propagation of How-Frequency, Transient Acoustic Signals through a Fluctuating Ocean: Development of a 3D Scattering Theory and Comparison with NPAL Experimental Data. Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada571821.

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Papavassiliou, V. Measurement of the cross-section ratio {sigma}{sub n}/{sigma}{sub p} in inelastic muon-nucleon scattering at very low x and Q{sup 2}. Office of Scientific and Technical Information (OSTI), November 1992. http://dx.doi.org/10.2172/10103825.

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