Academic literature on the topic 'Conjugate matching'

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Journal articles on the topic "Conjugate matching"

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Rahola, J. "Power Waves and Conjugate Matching." IEEE Transactions on Circuits and Systems II: Express Briefs 55, no. 1 (2008): 92–96. http://dx.doi.org/10.1109/tcsii.2007.905420.

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Wang, Hong Yan, Xiao Biao Shan, and Tao Xie. "Complex Impedance Matching for Power Improvement of a Circular Piezoelectric Energy Harvester." Applied Mechanics and Materials 148-149 (December 2011): 169–72. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.169.

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The impedance matching and the optimization of power from a circular piezoelectric energy harvester with a central-attached mass are studied. A finite element model is constructed to analyze the electrical equivalent impedance of the circular piezoelectric energy harvester. Furthermore, the complex conjugate matching load is used to extract the maximum output power of the energy harvester. The power output from complex conjugate matching load is compared with the power output from the resistive matching load and a constant resistance, separately. The results suggest that the complex conjugate
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Brufau-Penella, J., and M. Puig-Vidal. "Piezoelectric Energy Harvesting Improvement with Complex Conjugate Impedance Matching." Journal of Intelligent Material Systems and Structures 20, no. 5 (2008): 597–608. http://dx.doi.org/10.1177/1045389x08096051.

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One way to enhance the efficiency of energy harvesting systems is complex conjugate impedance matching of its electrical impedance. In Piezoelectric energy Harvesting systems the match is done to increment the energy flows from a vibration energy source to an energy storage electrical circuit. In this article, we compare the power generated using the modulus impedance matching with the power generated using the complex conjugate impedance matching. We present the power ratio between both types of matching methods. The novelty of this article consists of a piezoelectric transducer completely ad
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Oh, Jaehong, and Youkyung Han. "A Double Epipolar Resampling Approach to Reliable Conjugate Point Extraction for Accurate Kompsat-3/3A Stereo Data Processing." Remote Sensing 12, no. 18 (2020): 2940. http://dx.doi.org/10.3390/rs12182940.

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Kompsat-3/3A provides along-track and across-track stereo data for accurate three-dimensional (3D) topographic mapping. Stereo data preprocessing involves conjugate point extraction and acquisition of ground control points (GCPs), rational polynomial coefficient (RPC) bias compensation, and epipolar image resampling. Applications where absolute positional accuracy is not a top priority do not require GCPs, but require precise conjugate points from stereo images for subsequent RPC bias compensation, i.e., relative orientation. Conjugate points are extracted between the original stereo data usin
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VIMAL, RAM LAKHAN PANDEY. "MATCHING AND SELECTION OF A SPECIFIC SUBJECTIVE EXPERIENCE: CONJUGATE MATCHING AND EXPERIENCE." Journal of Integrative Neuroscience 09, no. 02 (2010): 193–251. http://dx.doi.org/10.1142/s0219635210002214.

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Rezchikov, A. A., and V. G. Kocherga. "Method of complex-conjugate matching of microwave noise generators." Measurement Techniques 31, no. 7 (1988): 702–4. http://dx.doi.org/10.1007/bf00866671.

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Jhan, J. P., and J. Y. Rau. "A NORMALIZED SURF FOR MULTISPECTRAL IMAGE MATCHING AND BAND CO-REGISTRATION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 4, 2019): 393–99. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-393-2019.

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<p><strong>Abstract.</strong> Due to the raw images of multi-lens multispectral (MS) camera has significant misregistration errors, performing image registration for band co-registration is necessary. Image matching is an essential step for image registration, which obtains conjugate features on the overlapped areas, and use them to estimate the coefficients of a transformation model for correcting the geometrical errors. However, due to the none-linear intensity of spectral response, performing feature-based image matching (such as SURF) can only obtain only a few conjugate
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Geng, X., Q. Xu, C. Z. Lan, and S. Xing. "AN ITERATIVE PIXEL-LEVEL IMAGE MATCHING METHOD FOR MARS MAPPING USING APPROXIMATE ORTHOPHOTOS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W1 (July 25, 2017): 41–48. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w1-41-2017.

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Mars mapping is essential to the scientific research of the red planet. The special terrain characteristics of Martian surface can be used to develop the targeted image matching method. In this paper, in order to generate high resolution Mars DEM, a pixel-level image matching method for Mars orbital pushbroom images is proposed. The main strategies of our method include: (1) image matching on approximate orthophotos; (2) estimating approximate value of conjugate points by using ground point coordinates of orthophotos; (3) hierarchical image matching; (4) generating DEM and approximate orthopho
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Sui, Hai Gang, Feng Hua, Guang Chen, and Chuan Xu. "Automatic Registration between High Resolution SAR Image and GIS Road Network Based on Pairwise Constraint and ICM Optimization." Advanced Materials Research 989-994 (July 2014): 3639–43. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.3639.

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Synthetic aperture radar (SAR) technique has been widely applied in disaster monitoring and evaluation, because of its all-weather and all-time capability. In particular, the integration of high resolution SAR image and GIS data has been proved to be an effective solution to change detection for rapid disaster response. However, accurate registration of SAR image and GIS data remains a challenging task. On the one hand, SAR image and GIS data are two different representation levels of the real world. GIS data lacks of grey value and texture information, thus traditional use of grey-based and t
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Dickstein, Flávio, Paulo Goldfeld, Gustavo T. Pfeiffer, and Renan V. Pinto. "Truncated conjugate gradient and improved LBFGS and TSVD for history matching." Computational Geosciences 22, no. 1 (2017): 309–27. http://dx.doi.org/10.1007/s10596-017-9694-4.

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Dissertations / Theses on the topic "Conjugate matching"

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Ku, Ahamad Ku Nurul Edhura. "Investigation of a complex conjugate matching circuit for a piezoelectric energy harvester." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/investigation-of-a-complex-conjugate-matching-circuit-for-a-piezoelectric-energy-harvester(20d865b2-d2b3-4ef5-b64d-72d5fcf3164d).html.

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The work described in this thesis is aimed at developing a novel piezoelectric cantilever energy harvesting circuit, so that more energy can be obtained from a particular piezoelectric harvester than is possible using conventional circuits. The main focus of the work was to design, build and test a proof of principle system, and not a commercial version, so as to determine any limitations to the circuit. The circuit functions by cancelling the capacitive output reactance of the piezoelectric harvester with a simulated inductance, and is based on an idea proposed by Qi in 2011. Although Qi's ap
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Qi, Shaofan. "Investigation of a novel multiresonant beam energy harvester and a complex conjugate matching circuit." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/investigation-of-a-novel-multiresonant-beam-energy-harvester-and-a-complex-conjugate-matching-circuit(0dff7705-b944-4618-bc77-c4e356e3d054).html.

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The aim of the work described in this thesis is firstly to improve the collection of vibration energy for piezoelectric cantilever harvesters, by a mechanical technique, so that the devices can harvest energy over a wider bandwidth. Secondly to investigate a new circuit topology for achieving complex conjugate load matching to the piezoelectric harvester. The thesis has been divided into two parts - the mechanical approach and the electrical approach. For the mechanical approach, a novel multiresonant beam, comprising piezoelectric fiber composites on a clamped-clamped beam and side mounted ca
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Zamora, González Gerard. "Radio Frequency Identification (RFID) Tags and Reader Antennas Based on Conjugate Matching and Metamaterial Concepts." Doctoral thesis, Universitat Autònoma de Barcelona, 2013. http://hdl.handle.net/10803/133356.

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La identificación por radiofrecuencia (RFID) es una tecnología de rápido desarrollo que proporciona la identificación inalámbrica y capacidad de seguimiento mediante el uso de dispositivos simples que se usan para etiquetar objetos o personas en un extremo, llamados etiquetas o tags, y dispositivos más complejos en el otro extremo del enlace, denominados lectores. RFID es una tecnología emergente y uno de los segmentos de más rápido crecimiento de la actual industria de la identificación automática y captura de datos (AIDC). RFID es utilizada por cientos, si no miles, de aplicaciones en la act
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Hilgert, Jonathan [Verfasser], Heinz-Peter [Akademischer Betreuer] Schiffer, and Michael [Akademischer Betreuer] Schäfer. "A Pragmatic Method for Matching Conjugate Heat Transfer Predictions of High-Pressure Turbine Blades with Thermal Paint Tests / Jonathan Hilgert ; Heinz-Peter Schiffer, Michael Schäfer." Darmstadt : Universitäts- und Landesbibliothek, 2021. http://d-nb.info/1237816890/34.

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Butt, Munam. "Systemization of RFID Tag Antenna Design Based on Optimization Techniques and Impedance Matching Charts." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23064.

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The performance of commercial Radio Frequency Identification (RFID) tags is primarily limited by present techniques used for tag antenna design. Currently, industry techniques rely on identifying the RFID tag application (books, clothing, etc.) and then building antenna prototypes of different configurations in order to satisfy minimum read range requirements. However, these techniques inherently lack an electromagnetic basis and are unable to provide a low cost solution to the tag antenna design process. RFID tag performance characteristics (read-range, chip-antenna impedance matching, surrou
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Giuliano, Alessandro. "Enhanced piezoelectric energy harvesting powered wireless sensor nodes using passive interfaces and power management approach." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/8834.

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Low-frequency vibrations typically occur in many practical structures and systems when in use, for example, in aerospaces and industrial machines. Piezoelectric materials feature compactness, lightweight, high integration potential, and permit to transduce mechanical energy from vibrations into electrical energy. Because of their properties, piezoelectric materials have been receiving growing interest during the last decades as potential vibration- harvested energy generators for the proliferating number of embeddable wireless sensor systems in applications such as structural health monitoring
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Huang, Wei-Chen, and 黃偉禎. "Dual band LNA/Mixer using conjugate matching for implantable biotelemetry." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/98511424340077661710.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>96<br>This Thesis presents a fully integrated 2.4/5.2-GHz dual-band low-noise amplifier (LNA) / mixer for implantable biotelemetry application. By using conjugation matching, this front-end receiver circuit integrates LNA output and mixer input for single chip at the 2.4GHz and 5.2GHz frequency band. The front-end circuit exhibits a 2.2dB gain, a 15.5dB noise figure, IP1dB of -14.4dBm, and IIP3 of -0.5dBm at the 2.4GHz frequency band. The front-end circuit exhibits a 5.6dB gain, a 10.8dB noise figure, IP1dB of -15.5dBm and IIP3 of -6dBm at the 5.2GHz frequency ban
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Yu, Chun-Hsien, and 余俊賢. "A Study on the Point Feature Extraction for Conjugate Matching on Aerial Images." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/04714095166117214248.

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碩士<br>國立中興大學<br>土木工程學系所<br>99<br>Aerial photographs and images have been widely used in natural hazard investigation and mitigation, digital topographic mapping and cadastral applications for the high mobility and spatial resolution in image acquisition. However, it is always not possible for a single aerial image to cover a large study area. Therefore, a series of aerial images must be taken for producing mosaics through the processes of ortho-rectification and geometric registration. The selection of conjugate image points plays an important role in these processes. Point features in ima
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Tzen, Jin-Jon, and 鄭景中. "Matching the Conjugate Relations between Two Feature Group Through the Hopfield-Tank Neural Network." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/14932045742700734739.

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碩士<br>國立成功大學<br>測量工程學系<br>82<br>In this paper, a reliable and efficient pattern recognition system is developed to find all the conjugate relations between two groups of features. This system conceptually mime the human recognition process.It is expected to be adaptive to disturbances of distortion, noises and differences of orientation between two conjugate features. The system is achieved through the considerations of some quantitative information derived based on the similarity of shape
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Wu, Yu-chih, and 吳育智. "Design of Low Distortion RF Power Amplifier Using Complex-Conjugate Matching, Fano Methods and Bias-Free Predistorter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/72545004700082219348.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>100<br>This study proposes different matched methods to design 2W and 10W RF microwave power amplifier combining with a bias-free predistorter to improve IMD (Intermodulation distortion) and raise usable output power. First, we discuss the importance of RF microwave power amplifier in communication system. Then, we illustrate nonlinear effect generated by power amplifier and the basic concept of linearizer technology. Last of all, this research adopts FUJITSU and CREE produced by transistor (FLL177ME,CGH40010F) to design power amplifier connected with a bias-free pr
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Books on the topic "Conjugate matching"

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Center, Lewis Research, ed. Compensation of reflector surface distortions using conjugate field matching. National Aeronautics and Space Administration, Lewis Research Center, 1986.

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Book chapters on the topic "Conjugate matching"

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Donovan, Therese M., and Ruth M. Mickey. "The Shark Attack Problem Revisited: MCMC with the Metropolis Algorithm." In Bayesian Statistics for Beginners. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198841296.003.0013.

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In this chapter, the “Shark Attack Problem” (Chapter 11) is revisited. Markov Chain Monte Carlo (MCMC) is introduced as another way to determine a posterior distribution of λ‎, the mean number of shark attacks per year. The MCMC approach is so versatile that it can be used to solve almost any kind of parameter estimation problem. The chapter highlights the Metropolis algorithm in detail and illustrates its application, step by step, for the “Shark Attack Problem.” The posterior distribution generated in Chapter 11 using the gamma-Poisson conjugate is compared with the MCMC posterior distribution to show how successful the MCMC method can be. By the end of the chapter, the reader should also understand the following concepts: tuning parameter, MCMC inference, traceplot, and moment matching.
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Goudos, Sotirios K., Katherine Siakavara, and John N. Sahalos. "Application of Artificial Bee Colony Algorithms to Antenna Design Problems for RFID Applications." In Handbook of Research on Modern Optimization Algorithms and Applications in Engineering and Economics. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9644-0.ch009.

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In this chapter, the Artificial Bee Colony (ABC) algorithm and its variants are presented and applied to spiral antennas design for RFID tag application at the UHF band. The ABC variants include the Improved ABC (I-ABC), which is an improved version of the original ABC algorithm. The I-ABC introduces the best-so-far solution, inertia weight and acceleration coefficients to modify the search process. Furthermore, another ABC variant is the Gbest ABC (ABC), which includes global best (gbest) solution information into the search equation to improve the exploitation. These algorithms are applied to antenna design where the optimization goals are antenna size minimization, gain maximization, and conjugate matching. The algorithms performance is compared with other popular evolutionary algorithms. The optimization results produced show that the ABC family of algorithms is a powerful tool that can be efficiently applied to antenna design problems.
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Conference papers on the topic "Conjugate matching"

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Codecasa, Lorenzo, Dario D'Amore, and Paolo Maffezzoni. "Compact thermal networks for conjugate heat transfer by moment matching." In 2008 14th International Workshop on Thermal Inveatigation of ICs and Systems (THERMINIC). IEEE, 2008. http://dx.doi.org/10.1109/therminic.2008.4669878.

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Wei-Chen Huang, Chen-Ming Hsu, Chien-Ming Lee, Hong-Yi Huang, and Ching-Hsing Luo. "Dual band LNA/mixer using conjugate matching for implantable biotelemetry." In 2008 IEEE International Symposium on Circuits and Systems - ISCAS 2008. IEEE, 2008. http://dx.doi.org/10.1109/iscas.2008.4541780.

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Dickstein, Flávio, Paulo Goldfeld, Gustavo Pfeiffer, and Renan Pinto. "Truncated Conjugate Gradient Method for History Matching in Reservoir Simulation." In CNMAC 2016 - XXXVI Congresso Nacional de Matemática Aplicada e Computacional. SBMAC, 2017. http://dx.doi.org/10.5540/03.2017.005.01.0175.

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Monakhov, I., A. Walden, Philip M. Ryan, and David Rasmussen. "Recent Developments in the External Conjugate-T Matching Project at JET." In RADIO FREQUENCY POWER IN PLASMAS: 17th Topical Conference on Radio Frequency Power in Plasmas. AIP, 2007. http://dx.doi.org/10.1063/1.2800463.

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Wang, Qinghua, Wenquan Che, Giuseppina Monti, Mauro Mongiardo, Marco Dionigi, and Franco Mastri. "Conjugate image impedance matching for maximizing the gains of a WPT link." In 2018 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2018. http://dx.doi.org/10.1109/ieee-iws.2018.8400873.

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Cheng, Yuhua, Huanhuan Wu, and Gaofeng Wang. "Improving Power Delivery of CPT for Biomedical Implants by Using Conjugate Impedance Matching." In 2019 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2019. http://dx.doi.org/10.1109/biocas.2019.8919178.

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Monakhov, I., M. Graham, T. Blackman, et al. "Operations of the External Conjugate-T Matching System for the A2 ICRH Antennas at JET." In RADIO FREQUENCY POWER IN PLASMAS: Proceedings of the 18th Topical Conference. AIP, 2009. http://dx.doi.org/10.1063/1.3273729.

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Kaga, Kazuki, Kun Li, Kazuhiro Honda, and Koichi Ogawa. "A sequential automatic impedance-matching algorithm to achieve simultaneous complex-conjugate condition in multi-element antennas." In 2014 IEEE International Workshop on Electromagnetics; Applications and Student Innovation (iWEM). IEEE, 2014. http://dx.doi.org/10.1109/iwem.2014.6963617.

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Cai, Yifeng, and Yiannos Manoli. "A piezoelectric energy harvester interface circuit with adaptive conjugate impedance matching, self-startup and 71% broader bandwidth." In ESSCIRC 2017 - 43rd IEEE European Solid-State Circuits Conference. IEEE, 2017. http://dx.doi.org/10.1109/esscirc.2017.8094540.

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Devulapalli, Pramith, Bistra Dilkina, and Yexiang Xue. "Embedding Conjugate Gradient in Learning Random Walks for Landscape Connectivity Modeling in Conservation." In Twenty-Ninth International Joint Conference on Artificial Intelligence and Seventeenth Pacific Rim International Conference on Artificial Intelligence {IJCAI-PRICAI-20}. International Joint Conferences on Artificial Intelligence Organization, 2020. http://dx.doi.org/10.24963/ijcai.2020/598.

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Models capturing parameterized random walks on graphs have been widely adopted in wildlife conservation to study species dispersal as a function of landscape features. Learning the probabilistic model empowers ecologists to understand animal responses to conservation strategies. By exploiting the connection between random walks and simple electric networks, we show that learning a random walk model can be reduced to finding the optimal graph Laplacian for a circuit. We propose a moment matching strategy that correlates the model’s hitting and commuting times with those observed empirically. To
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