Parameter Estimation of Chirp for Underwater Acoustic Channel
MATEC Web of Conferences, 2018 To overcome the performance degradation of conventional Chirp parameters estimation methods in underwater acoustic multipath channels, a novel parameters estimation method based on Fractional Fourier transform (FRFT) and Fourier transform (FFT) was ...
Junhui FAN, Hua PENG, Chi WEI
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A Parabolic Waveform Generator Based on the Chirp Characteristics of a Directly Modulated Laser
Photonics, 2023 Due to carrier dynamics, the modulated light field from a directly modulated laser (DML) has an intensity envelope with a certain frequency chirp. When the chirp is linearly mapped into intensity by a frequency discriminator such as an optical filter ...
Na Chen +7 more
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Clutter rejection for MTI radar using a single antenna and a long integration time [PDF]
, 2011 Moving Target Indicators (MTI) are airborne radar systems designed to detect and track moving vehicles or aircrafts. In this paper, we address the problem of detecting hazardous collision targets to avoid them.
Jean-Yves Tourneret +5 more
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Chirp Interference Mitigation in GNSS Systems Using Chirp Parameter Estimation and Pulse Blanking
IEEE AccessChirp interference is a major source of disturbance in Global Navigation Satellite System (GNSS) signal processing. Whether the chirp interference signal appears continuous or pulsed to a GNSS receiver depends on its bandwidth relative to the receiver ...
Nabil Jardak
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Biorthogonal Fourier transform for multichirp-rate signal detection over dispersive wireless channel
EURASIP Journal on Wireless Communications and Networking, 2018 Biorthogonal Fourier transform (BFT), consistent with the matched signal transform (MST), has been introduced to demodulate the M-ray chirp-rate signal which possesses good orthogonality in the BFT domain.
Lin Zheng +3 more
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Probabilistic Estimation of Instantaneous Frequencies of Chirp Signals
IEEE Transactions on Signal Processing, 2023 Accepted for publication in IEEE Transactions on Signal ...
Sarkka, Simo +4 more
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The Design of Nonlinear Chirp Based on the DSP Builder Technique
MATEC Web of Conferences, 2017 This paper, by analyzing the function Chirp, studies the software design and realization of the function. It offers a design plan based on the nonlinear Chirp signal of DSP Builder technique and designs the signal generator of the nonlinear Chirp based ...
Zhang Dong, Yang Shou-liang, Zhang Yang
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Classification of Interference Signal for Automotive Radar Systems With Convolutional Neural Network
IEEE Access, 2020 When a radar signal generated by another vehicle arrives at an ego-vehicle, mutual interference occurs, which can seriously degrade the detection performance of the radar.
Jinwook Kim +3 more
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A Controllable Suppression Jamming Method against SAR Based on Active Radar Transponder
Remote Sensing, 2022 A chirp-mismatch echo signal can be generated by exchanging the I and Q baseband signals of a received SAR signal. In this paper, the basic generation principles of a chirp-mismatch echo signal are analyzed.
Guikun Liu +4 more
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Design and Detection of Multilinear Chirp Signals for Underwater Acoustic Sensor Networks
International Journal of Distributed Sensor Networks, 2015 In Underwater Acoustic Sensor Networks (UW-ASNs), some key problems have attracted more and more attention, including power consumption, performance of multiple access, and complexity of node.
En Cheng, Shengli Chen, Fei Yuan
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