Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Yaobing LU"'
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2024, Iss 1, Pp 1-34 (2024)
Abstract Interrupted-sampling repeater jamming (ISRJ) is a type of intra-pulse coherent jamming that poses a significant threat to radar detection and tracking of targets. This paper proposes an ISRJ suppression method based on frequency agile wavefo
Externí odkaz:
https://doaj.org/article/1ec4887567fc4accb50ca79bb4fa8914
Publikováno v:
Leida xuebao, Vol 12, Iss 6, Pp 1125-1137 (2023)
Forward-looking imaging is crucial in many civil and military fields, such as precision guidance, autonomous landing, and autonomous driving. The forward-looking imaging performance of airborne radar may deteriorate significantly due to the constrain
Externí odkaz:
https://doaj.org/article/8571674e0eaf481a9a29c6f8933db8ac
Publikováno v:
Remote Sensing, Vol 15, Iss 6, p 1717 (2023)
Due to land contamination and human activities, the sea surface height (SSH) data retrieved from altimeter coastal waveforms have poor precision and cannot provide effective information for various tasks. The along-track high-resolution characteristi
Externí odkaz:
https://doaj.org/article/848dd1c155ec428db4fca822b78b9b2d
Publikováno v:
Remote Sensing, Vol 14, Iss 24, p 6250 (2022)
Satellite radar altimeters are advanced remote sensing devices that play an important role in observing the global marine environment. Accurately estimating the noise level of altimeter in-orbit ranging data is crucial for evaluating the payload perf
Externí odkaz:
https://doaj.org/article/d2e007523a584101bf3546c3c87863c2
Publikováno v:
Sensors, Vol 22, Iss 21, p 8494 (2022)
When the desired signal and multiple mainlobe interferences coexist in the received data, the performance of the current mainlobe interference suppression algorithms is severely challenged. This paper proposes a multiple mainlobe interference suppres
Externí odkaz:
https://doaj.org/article/260b44047032461fbd1c36b6b788d7a7
Publikováno v:
Remote Sensing, Vol 14, Iss 10, p 2362 (2022)
Satellite radar altimeters have been successfully used for sea surface height (SSH) measurement for decades, gaining great insight in oceanography, meteorology, marine geology, etc. To further improve the observation precision and spatial resolution,
Externí odkaz:
https://doaj.org/article/34aa0dcad44c49fbb90d02f7fb32f934
Publikováno v:
Sensors, Vol 22, Iss 4, p 1302 (2022)
When tracking very long-range targets, wide-band radars capable of measuring targets with high precision at ranges have severe measurement nonlinearities. The existing nonlinear filtering technology, such as the extended Kalman filter and untracked K
Externí odkaz:
https://doaj.org/article/53af691a01284f91b37be723daceb7ea
Publikováno v:
Remote Sensing, Vol 13, Iss 22, p 4724 (2021)
This paper addresses the problem of ground moving target relocation (GMTR) for airborne dual-channel wide-area radar systems. The monopulse technique can be utilized to perform GMTR. However, in real conditions, the GMTR performance degrades greatly
Externí odkaz:
https://doaj.org/article/6870725431f04174a7367de9912c7b47
Publikováno v:
Sensors, Vol 21, Iss 19, p 6673 (2021)
Stepped-frequency waveform may be used to synthesize a wideband signal with several narrow-band pulses and achieve a high-resolution range profile without increasing the instantaneous bandwidth. Nevertheless, the conventional stepped-frequency wavefo
Externí odkaz:
https://doaj.org/article/af70040bd5a541bbbba6e8b4c2183377
Publikováno v:
The Journal of Engineering (2019)
This letter addresses the problem of target relocation in wide-area ground moving target indication system. The antenna pattern information is exploited as prior knowledge to enhance the performance of airborne radar. Firstly, the ideal target reloca
Externí odkaz:
https://doaj.org/article/6dd16c54ef024dbb9e620335c9969cc6