Academic literature on the topic 'Superheterodyne receivers'

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Journal articles on the topic "Superheterodyne receivers"

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Sun, Jinwen, Chen Lu, Manxi Wang, Hang Yuan, and Le Qi. "Performance Assessment and Prediction for Superheterodyne Receivers Based on Mahalanobis Distance and Time Sequence Analysis." International Journal of Antennas and Propagation 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/6458954.

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The superheterodyne receiver is a typical device widely used in electronics and information systems. Thus effective performance assessment and prediction for superheterodyne receiver are necessary for its preventative maintenance. A scheme of performance assessment and prediction based on Mahalanobis distance and time sequence analysis is proposed in this paper. First, a state observer based on radial basis function (RBF) neural network is designed to monitor the superheterodyne receiver and generate the estimated output. The residual error can be calculated by the actual and estimated output. Second, time-domain features of the residual error are then extracted; after that, the Mahalanobis distance measurement is utilized to obtain the health confidence value which represents the performance assessment result of the most recent state. Furthermore, an Elman neural network based time sequence analysis approach is adopted to forecast the future performance of the superheterodyne receiver system. The results of simulation experiments demonstrate the robustness and effectiveness of the proposed performance assessment and prediction method.
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Gao, Zhi, Roy S. Colby, and Larry Turner. "Induction-Motor Rotor Temperature Estimation Using Superheterodyne Receivers." IEEE Transactions on Industry Applications 48, no. 4 (July 2012): 1267–78. http://dx.doi.org/10.1109/tia.2012.2199271.

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Song, Dengwei, Hongmei Liu, Le Qi, and Bo Zhou. "A General Purpose Adaptive Fault Detection and Diagnosis Scheme for Information Systems with Superheterodyne Receivers." Complexity 2018 (2018): 1–9. http://dx.doi.org/10.1155/2018/4763612.

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A superheterodyne receiver is a type of device universally used in a variety of electronics and information systems. Fault detection and diagnosis for superheterodyne receivers are therefore of critical importance, especially in noise environments. A general purpose fault detection and diagnosis scheme based on observers and residual error analysis was proposed in this study. In the scheme, two generalized regression neural networks (GRNNs) are utilized for fault detection, with one as an observer and the other as an adaptive threshold generator; faults are detected by comparing the residual error and the threshold. Then, time and frequency domain features are extracted from the residual error for diagnosis. A probabilistic neural network (PNN) acts as a classifier to realize the fault diagnosis. Finally, to mimic electromagnetic environments with noise interference, simulation model under different fault conditions with noise interferences is established to test the effectiveness and robustness of the proposed fault detection and diagnosis scheme. Results of the simulation experiments proved that the presented method is effective and robust in simulated electromagnetic environments.
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Wu, T. Y. "High dynamic range 140–220 GHz radiometer using dual-channel superheterodyne receivers." Electronics Letters 47, no. 19 (2011): 1083. http://dx.doi.org/10.1049/el.2011.2066.

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Madadi, Iman, Massoud Tohidian, and Robert Bogdan Staszewski. "Analysis and Design of I/Q Charge-Sharing Band-Pass-Filter for Superheterodyne Receivers." IEEE Transactions on Circuits and Systems I: Regular Papers 62, no. 8 (August 2015): 2114–21. http://dx.doi.org/10.1109/tcsi.2015.2437514.

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Bykov, V. N., G. Yu Miroshnik, and T. V. Miroshnik. "Optimization of the number of channels of a multichannel radiometric receiver." 34, no. 34 (June 30, 2021): 14–18. http://dx.doi.org/10.26565/2311-0872-2021-34-02.

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Background: Improving the positioning accuracy of passive radiometric correlation-extreme navigation systems (RM CENS) of aircraft (AC) by landmarks depends on the ability of information RM sensors of systems to form two-dimensional images of ground objects in real time. The use of matrix RM sensors, which are based on multichannel RM receivers of the millimeter wave range (MMW), makes it possible to realize the required speed of the CENS Objectives: The aim of the work is to optimize the number of multiplexed channels per one amplifying-converting path of a multi-channel RM receiver with linear multiplexing and separation of channels according to the form of signals. Materials and methods: As an optimization criterion in this work, it is proposed to use the gain in sensitivity obtained as a result of the use of a multichannel RM receiver with linear multiplexing and signal waveform separation in comparison with the sensitivity of a RM receiver with time division multiplexing. Results: As a result of the analysis of the process of functioning of a multichannel RM receiver with time division multiplexing in this work a relation was obtained for the sensitivity of an individual channel of a RM receiver with time division multiplexing. Conclusions: It can be concluded that it is optimal to create a matrix RM receiver based on combining 16 RM channels of the superheterodyne type into one amplifier-conversion path. In this case, the total number of amplifying-converting paths is equal to four. The sensitivity of each channel remains high enough.
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Tohidian, Massoud, Iman Madadi, and Robert Bogdan Staszewski. "A Fully Integrated Discrete-Time Superheterodyne Receiver." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 25, no. 2 (February 2017): 635–47. http://dx.doi.org/10.1109/tvlsi.2016.2598857.

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Hao, Yan Zhong, Hong Liang Zhang, Fu Chun Zhang, Wang Hui, Zheng Dong Xu, and Duo Wang. "Research on Signal "Batch-Increasing" Phenomenon of Superheterodyne Reconnaissance Receiver." Applied Mechanics and Materials 347-350 (August 2013): 1743–47. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.1743.

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For the superheterodyne reconnaissance receiver detected "signalBatch-increasing" phenomenon, research on radar signal sand the intercepted characteristics of reconnaissance receiver from the frequency domain, pointed out that "Pulse-width split" and "Pulse-width truncated" caused by Emitter signal spectrum loss is the reason of "Batch-increasing",On this basis, analyzed the strategies of "Batch-increasing" signal processing .
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Stagner, Colin, Andrew Conrad, Christopher Osterwise, Daryl G. Beetner, and Steven Grant. "A Practical Superheterodyne-Receiver Detector Using Stimulated Emissions." IEEE Transactions on Instrumentation and Measurement 60, no. 4 (April 2011): 1461–68. http://dx.doi.org/10.1109/tim.2010.2101330.

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Shoaib, Nosherwan. "Pakistan's First Integrated Circuit-Based Superheterodyne Receiver Design Competition." IEEE Potentials 40, no. 4 (July 2021): 25–28. http://dx.doi.org/10.1109/mpot.2021.3071108.

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Dissertations / Theses on the topic "Superheterodyne receivers"

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Wu, Wai-Man Monica. "Characterisation of a dual frequency conversion superheterodyne receiver." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/5076.

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This dissertation starts off with a brief introduction of the SKA project, and explain how it relates to the KAT project. Then certain receiver design techniques and parameters will be discussed together with receiver design trade-offs will be presented. This dissertation will then focus on the actual simulations of the 3x4 receiver module using the time-domain RF simulator, SystemView. An overview of the design for the 24-channel RF rack integrated locally by Tellumat (Pty) Ltd is presented and acceptance tests will be conducted and the test results will be presented.
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Stålberg, Carl-Johan. "Design and Implementation of a 5.8 GHz superheterodyne FM Video Receiver." Thesis, Linköpings universitet, Fysik och elektroteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162479.

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This master thesis presents the design and implementation of a super heterodyne 5.8 GHz receiver system for wireless transmission of phase alternating line (PAL) composite video signals. The system is implemented using surface and hole mounted devices on four separate printed circuit board (PCB) stages. These stages include a 5.8 GHz radio front-end, a 480 MHz intermediate frequency (IF) stage, a local oscillator (LO) block and frequency demodulation circuit for frequency modulation (FM) signals. Each receiver stage is interconnected using sub-miniature version A (SMA) connectors. The radio front-end PCB consists of a low-noise amplifier (LNA), a 5.8 GHz distributed element pre-select filter and a passive double-balanced mixer. This mixer uses seven discrete injection frequencies at 5260-5380 MHz that are provided by the LO block using a programmable phase-locked loop (PLL) frequency synthesizer device. The IF stage uses an automatic gain control (AGC) feedback loop with a dynamic range of 60 dB. This AGC loop is implemented using a directional coupler, a detector device, a tuning circuit and a variable gain amplifier/attenuator (VGA). The IF at 480 MHz is selected with a 25 MHz surface acoustic wave (SAW) filter. The IF is demodulated to a PAL composite video format using a PLL FM discriminator device intended for direct-broadcast satellite (DBS) signals. This device is fitted to a separate demodulation stage in conjunction with a picture adjustment circuit and a FM de-emphasis network. The output of the demodulator stage is a 75 Ω PAL composite video signal.
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Rabhi, Abdelali. "Fabrication et caracterisation de jonctions sis dans un recepteur a 110 ghz." Paris 6, 1987. http://www.theses.fr/1987PA066593.

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Description d'un cryogenerateur a 2k, a circuit ferme d'helium, equipe de detecteurs sis (supraconducteur-isolant-supraconducteur) en etain et alliage plomb-bismuth. Leur tension de bande interdite est respectivement 1. 2 mv et 3. 4 mv. Ces jonctions ont ete developpees par lithogravure, en croix et par recouvrement partiel
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Hsieh, Chen-Yu. "Wide Frequency Range Superheterodyne Receiver Design and Simulation." Thesis, 2011. http://spectrum.library.concordia.ca/7121/1/Hsieh_MASc_S2011.pdf.

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The receiver is the backbone of modern communication devices. The primary purpose of a reliable receiver is to recover the desired signal from a wide spectrum of transmitted sources. A general radio receiver usually consists of two parts, the radio frequency (RF) front-end and the demodulator. RF front-end receiver is roughly defined as the entire segment until the analog-to-digital converter (ADC) placed before digital demodulation. Theoretically, a radio receiver must be able to accommodate several tradeoffs such as spectral efficiency, low noise figure (NF), low power consumption, and high power gain. The superheterodyne receiver consisting of double downconversion can well balance the tradeoffs required for the receiver design. In this thesis, the RF front-end superheterodyne receiver design and implementation is presented. Instead of fixed radio frequency of system-on-chip (SOC) design which has been a popular research topic, a radio receiver operating in the wide frequency range of roughly 2.53 GHz to 2.83 GHz located in IEEE S-band is considered. The wide frequency range receiver is suitable for applications like Direct-to-Home satellite television systems, which allocates from 2.5 GHz to 2.7 GHz. This thesis is focusing on the off-chip receiver design for the objectives of processing a wider frequency band while providing high linearity and power gain. The important active devices in a receiver which are low noise amplifiers (LNA), power amplifiers (PA), and mixers are designed and implemented. In this work, the two-stage LNA designed provides low NF and good input standing wave ratio (VSWR). The class-A PA is designed utilizing the load-pull method for maximum power transfer and highest possible power added efficiency (PAE). The mixer design adopts the double balance fully differentially (Gilbert) topology which is ideal for low port feedthrough, intermodulation distortion, and moderate conversion gain. The self-built active devices (e.g. amplifiers and mixers) and band-pass filters (BPF) provided by Agilent EEsof Advance System Design (ADS) are combined into a double downconversion RF front-end receiver. The receiver sensitivity and selectivity is assessed and tabulated. Also, the operation in the wide frequency range of roughly 2.53 GHz to 2.83 GHz with the last intermediate frequency (IF) of 20 MHz is verified.
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Liu, Z. T., and 劉忠陶. "Sensitivity Optimization of 433.92MHz Superheterodyne ASK Receiver RFIC." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/78470509296520727821.

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碩士
國立臺北科技大學
電腦通訊與控制研究所
90
How to optimize the matching network, providing adequate sensitivity, of radio frequency integrated circuits (RFIC) isthe foremost objective of this thesis. When we attempted to measure S parameters of a two-port device, the reference plane at some point of circuit instead of that of device under test (DUT) embraced phase delays and losses caused by effects ofconnectors, cables, and transitions of transmission lines connecting to DUT. In order to measure accurate values of matching network, we employed calibration techniques such as TRL or SOLT to eliminate error effects. Those could be solid basis while designing the matching network of low noise amplifier (LNA) and mixer for a super-heterodyne receiver. In a super-heterodyne receiver, a mixer, mixing a low-level RF signal and RF local oscillator signal together, whose stable, accurate frequency is supplied by Phase Locked Loop (PLL) produce an intermediate frequency (IF). However, the loop filter dominates the performance of entire PLL circuit, the design and fabrications of loop filter are also discussed in this thesis. To augment the receiving power and exclude unwanted noise from system, a low noise pre-amplifier and acoustic wave filter was integrated into the front end of receiver. The experimental outcomes showed no discrepancy with theoretical predictions.
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Books on the topic "Superheterodyne receivers"

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McWhorter, Richard. The all American five radio: Understanding and restoring transformerless radios of the 1940's, 50's, and 60's. Chandler, AZ: Sonoran Pub., 2003.

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Book chapters on the topic "Superheterodyne receivers"

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Weik, Martin H. "superheterodyne receiver." In Computer Science and Communications Dictionary, 1688. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_18557.

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Pritchard, Joe. "Superheterodyne receivers." In Newnes Short Wave Listening Handbook, 102–13. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-434-91550-7.50010-0.

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Conference papers on the topic "Superheterodyne receivers"

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Tianyu Yang and W. B. Mikhael. "Baseband image rejection for diversity superheterodyne receivers." In 2004 IEEE Wireless Communications and Networking Conference (IEEE Cat. No.04TH8733). IEEE, 2004. http://dx.doi.org/10.1109/wcnc.2004.1311434.

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Gao, Zhi, Roy S. Colby, and Larry Turner. "Induction motor rotor temperature estimation using superheterodyne receivers." In 2011 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2011. http://dx.doi.org/10.1109/ecce.2011.6063842.

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Barnard, Daniel J. "Absolute displacement calibration techniques for commercial superheterodyne receivers." In The 27th annual review of progress in quantitative nondestructive evaluation. AIP, 2001. http://dx.doi.org/10.1063/1.1373903.

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Hao, Yanzhong, Hongliang Zhang, Fuchun Zhang, Hui Wang, Zhengdong Xu, and Duo Wang. "Research on Signal qBatch-increasingq Phenomenon of Superheterodyne Reconnaissance Receiver." In 2nd International Symposium on Computer, Communication, Control and Automation. Paris, France: Atlantis Press, 2013. http://dx.doi.org/10.2991/isccca.2013.112.

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Liu, Yaguang, Donglin Su, Yan Liu, and Chunxi Zhang. "Research on electromagnetic susceptibility of superheterodyne receiver RF front-end." In 2013 IEEE 5th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE). IEEE, 2013. http://dx.doi.org/10.1109/mape.2013.6689905.

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Tohidian, Massoud, Iman Madadi, and Robert Bogdan Staszewski. "3.8 A fully integrated highly reconfigurable discrete-time superheterodyne receiver." In 2014 IEEE International Solid- State Circuits Conference (ISSCC). IEEE, 2014. http://dx.doi.org/10.1109/isscc.2014.6757343.

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Mirzaei, Ahmad, Hooman Darabi, and David Murphy. "A low-power process-scalable superheterodyne receiver with integrated high-Q filters." In 2011 IEEE International Solid- State Circuits Conference - (ISSCC). IEEE, 2011. http://dx.doi.org/10.1109/isscc.2011.5746219.

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Zhang, Yuwei, and Jinping Xu. "Design of High-Performance Local Oscillator Sources for W-band Superheterodyne Receiver." In 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2022. http://dx.doi.org/10.1109/icmmt55580.2022.10022429.

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Dan, Iulia, Christopher Grotsch, Laurenz John, Sandrine Wagner, Axel Tessmann, and Ingmar Kallfass. "A Superheterodyne 300GHz Transmit Receive Chipset for Beyond 5G Network Integration." In 2021 16th European Microwave Integrated Circuits Conference (EuMIC). IEEE, 2022. http://dx.doi.org/10.23919/eumic50153.2022.9783947.

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Abdeen, Hebat-Allah Yehia, Shuai Yuan, Hermann Schumacher, Volker Ziegler, Askold Meusling, and Peter Feldle. "10 to 40 GHz superheterodyne receiver frontend in 0.13 µm SiGe BiCMOS technology." In 2016 German Microwave Conference (GeMiC ). IEEE, 2016. http://dx.doi.org/10.1109/gemic.2016.7461626.

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