Parameter Estimation Algorithm of Frequency-Hopping Signal in Compressed Domain Based on Improved Atomic Dictionary [PDF]
Sensors, 2023 This paper considers the problem of estimating the parameters of a frequency-hopping signal under non-cooperative conditions. To make the estimation of different parameters independently of each other, a compressed domain frequency-hopping signal ...
Weipeng Zhu +3 more
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Long-Time Coherent Integration Method for Passive Bistatic Radar Using Frequency Hopping Signals [PDF]
SensorsLong-time coherent integration using frequency hopping signals is a challenging problem for passive bistatic radar due to its frequency hopping characteristics. Apart from range walk, range curve, and Doppler frequency migration, Doppler diffusion caused
Gang Chen +5 more
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Ultrafast and Wideband Microwave Photonic Frequency-Hopping Systems: A Review
Applied Sciences, 2020 The increasing demands to enhance information security in data transmission, providing countermeasures against jamming in military applications, as well as boosting data capacity in mobile and satellite communication, have led to a critical need for high-
Qidi Liu, Mable P. Fok
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Analysis of Anti-Jamming Performance of HF Access Network Based on Asymmetric Frequency Hopping [PDF]
SensorsThe primary focus of this paper lies in addressing the inadequate anti-dynamic jamming capability of the link layer within high-frequency (HF) access networks.
Ruijie Duan, Liang Jin, Xiaofei Lan
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Frequency-hopping wave engineering with metasurfaces. [PDF]
Nat CommunAbstractWave phenomena can be artificially engineered by scattering from metasurfaces, which aids in the design of radio-frequency and optical devices for wireless communication, sensing, imaging, wireless power transfer and bio/medical applications.
Takeshita H +5 more
europepmc +4 more sources
Construction of Optimal Frequency Hopping Sequence Set with Low-Hit-Zone. [PDF]
Entropy (Basel), 2023 Tian X, Han H, Niu X, Liu X.
europepmc +2 more sources
A New Differential Frequency Hopping Scheme based on Chaotic Encryption Algorithm
Guangtongxin yanjiu, 2022 Aiming at the problem that the two-dimensional uniformity of the frequency hopping pattern in differential frequency hopping communication is poor, and the frequency hopping frequency is easy to be eavesdropped, this paper designs an encryption scheme ...
Ai-bing YIN, Yi LI
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Performance Enhancement of GSM Cellular Phone Network using Dynamic 365 Frequency Hopping [PDF]
Engineering and Technology Journal, 2008 A fundamental problem in current cellular system is how to increase spectral efficiency of cellular system andhandle blocking in the call between the subscribers.
Hosham Salim, Hussein Bli
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Intelligent Reception of Frequency Hopping Signals Based on CVDP
Applied Sciences, 2023 The frequency hopping communication systems have been widely used in anti-jamming communication due to their anti-interception and anti-interference capabilities. With the increasingly complex electromagnetic environment, the transmitter of the frequency
Ze Yuan +4 more
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Optimal Constructions of Low-Hit-Zone Frequency-Hopping Sequence Sets via Cyclotomy
IEEE Access, 2023 In complex environments of wireless communication, to improve the communication anti-interference performance, quasi-synchronous frequency-hopping (FH) communication system requires low-hit-zone (LHZ) FH sequence sets with optimal Hamming correlation (HC)
Changyuan Wang +4 more
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