Výsledky vyhledávání - Random coding pulse

Quadrature phase-shift keying modulation with random coding pulse for long-range ϕ-OTDR Autor Li, Peihong, Wang, Yu, Liu, Xin, Bai, Qing, Gao, Yan, Zhang, Hongjuan, Jin, Baoquan

“…) system with coding probe pulse (CPP) in long-distance vibration sensing. In this paper, a CPP modulation scheme based on phase coding is proposed to suppress the amplitude distortion after optical amplification…”
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Random coding method for coherent detection φ-OTDR without optical amplifier Autor Li, Peihong, Wang, Yu, Yin, Kang, Liu, Xin, Bai, Qing, Zhang, Hongjuan, Gao, Yan, Jin, Baoquan

“…•Random coding method can bring SNR enhancement without loss of the sensing bandwidth…”
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Pre-frequency-shift method for random number coding Phi-OTDR lightweight demodulation Autor Li, Peihong, Liu, Kaixin, Li, Junchan, Wu, Yangxu, Zhao, Xiaojie, Chen, Ping

“…•Random coding method can bring SNR enhancement without loss of the sensing bandwidth…”
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Synchronous cascade using random number modulation in Phi-OTDR systems Autor Li, Peihong, Wang, Yu, Liu, Xin, Bai, Qing, Jin, Baoquan

“…•Random coding method can bring SNR enhancement without loss of the sensing bandwidth…”
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Random coding method for SNR enhancement of BOTDR Autor Wang, Qinglin, Bai, Qing, Liang, Changshuo, Wang, Yu, Liu, Yuting, Jin, Baoquan

“…A random coding method for a Brillouin optical time domain reflectometer (BOTDR) fiber sensor is proposed…”
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A Range-Doppler Domain Approach for Random Frequency-Phase Coded Signal Against Interrupted Sampling Repeater Jamming Autor Liu, Lipeng, Cao, Fei, Peng, Wenshen, Ju, Xin, He, Chuan

“…) radars, due to its fast response and flexible modulation modes. To address the issue, this paper proposes a random inter-pulse frequency joint intra-pulse phase coding LFM waveform (RIF-PCLFM…”
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A novel energy-focused slow-time MIMO radar and signal processing scheme Autor Niu, Ben, Zhao, Yongbo, Zhang, Mei, Tang, Derui, Zhang, Tingxiao, Zhang, Shuaijie, Gao, Di

“…In this paper, we propose a novel energy-focused slow-time MIMO radar and signal processing scheme, aimed at addressing key challenges in slow-time coding and signal processing technology…”
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Impulsive wavelet based probability sparse coding model for bearing fault diagnosis Autor Ma, Huijie, Li, Shunming, Lu, Jiantao, Gong, Siqi, Yu, Tianyi

“…•The proposed method successfully extracted early bearing fault features.•The traditional kurtogram method is improved by using the square envelope kurtosis, and the interference of random pulse is removed successfully…”
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A new method for Synthetic Impulse and Aperture Radar transmitting waveform design based on non‐sequential positive, negative and random carrier frequency coding with dot product approach Autor Yaghoubi Aliabad, Pourya, Soleimani, Hossein, Soleimani, Mohammad

“…‐Doppler frequency coupling. Pulse‐to‐pulse frequency code agility is a kind of radar signal coding that is used to suppress the sidelobes in range‐Doppler frequency…”
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Unambiguous Delay-Doppler Recovery From Random Phase Coded Pulses Autor Liu, Xiang, Cohen, Deborah, Huang, Tianyao, Liu, Yimin, Eldar, Yonina

“…). To overcome the drawbacks of MPRF, we employ a random pulse phase coding approach to increase the unambiguous range region while preserving the unambiguous Doppler region…”
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Tunable wavelength optical injection locked actively Q-switched random fiber laser based on RPS-FBG and EOM and analysis of multi pulse phenomenon Autor Chen, Chunqi, Li, Rupeng, Pan, Honggang, Li, Bin, Li, Yichen, Zhao, Zihong

“…•The proposed laser is of great significance for the research of wavelength selection and pulse coding in disordered systems…”
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Online Calibration Method of Sonar Array Receiving Directivity Based on USBL Autor Zhao, Peng, Shi, Wanting, Xie, Jianyu, Sheng, Yongjie, Wang, Yuebing, Wu, Yanqi

“… Linear frequency modulation (LFM) pulse signal and pseudo-random coding pulse signal are selected, and pulse compression method and complex correlation method are used to improve the ranging accuracy and direction finding accuracy, respectively…”
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Pulse Coding in Distributed Optical Fiber Vibration Sensor: A Review Autor Li, Peihong, Wang, Yu, Wang, Pengfei, Bai, Qing, Gao, Yan, Zhang, Hongjuan, Jin, Baoquan

“…) and nonlinear frequency modulation (NLFM), pulse coding modulation based on the linear combination and correlation operation, such as Simplex code, Golay code and random code, as well as pulse sequence modulation (PSM…”
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Implications of Diversified Doppler for Random PRI Radar Autor Blunt, Shannon D., Harnett, Lumumba A., Ravenscroft, Brandon, Chang, Rachel J., Allen, Christopher T., McCormick, Patrick M.

“…This paper seeks to expand the fundamental understanding of random pulse repetition interval (PRI…”
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Unambiguous Delay-Doppler Recovery from Random Phase Coded Pulses Autor Liu, Xiang, Cohen, Deborah, Huang, Tianyao, Liu, Yimin, Eldar, Yonina C

“…). To overcome the drawbacks of MPRF, we employ a random pulse phase coding approach to increase the unambiguous range region while preserving the unambiguous Doppler region…”
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Covert Identification Over Binary-Input Discrete Memoryless Channels Autor Zhang, Qiaosheng, Tan, Vincent Y. F.

“…This paper considers the covert identification problem in which a sender aims to reliably convey an identification (ID) message to a set of receivers via a…”
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Design of a high-repetition rate photon source in a quantum key distribution system Autor Wang, Jian, Cui, Ke, Luo, ChunLi, Zhang, HongFei, Zhou, Lei, Chen, TengYun, Liang, Hao, Jin, Ge

“… and polarization coding including an FPGA-based true random number generator, narrow pulse shaping under the modulation of high-speed true random number as well as its laser driver…”
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Energy-Limited Joint Source-Channel Coding via Analog Pulse Position Modulation Autor Lev, Omri, Khina, Anatoly

“… To that end, we construct a joint source-channel coding scheme using analog pulse position modulation (PPM…”
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Range-Ambiguous Clutter Suppression by Phase-Coding and Subspace Projection Autor Lu, Pu, Wang, Ziqian

“… The proposed method employs random phase coding modulation on the pulse train to achieve range de-ambiguation, while implementing subspace projection filter (SPF…”
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Reduction of Doppler and Range Ambiguity Using AES-192 Encryption-Based Pulse Coding Autor Kamrath, Luke, Baginski, Michael, Martin, Scott

“…This research investigates the use of a Binary Phase Shift Key (BPSK) sequence derived from the 192-bit key Advanced Encryption Standard (AES-192) algorithm…”
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