SIDELOBE

作品数:30被引量:34H指数:4
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相关领域:电子电信更多>>
相关作者:周渊平郭焕丽王远洋余嘉李会勇更多>>
相关机构:四川大学电子科技大学重庆交通大学更多>>
相关期刊:《声学技术》《Science China Mathematics》《光学学报》《Chinese Journal of Acoustics》更多>>
相关基金:国家自然科学基金中国博士后科学基金国家重点基础研究发展计划高等学校学科创新引智计划更多>>
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Bidirectional high sidelobe suppression silicon optical phased array被引量:5
《Photonics Research》2023年第4期659-668,共10页HUAQING QIU YONG LIU XIANSONG MENG XIAOWEI GUAN YUNHONG DING HAO HU 
Novo Nordisk Fonden(NNF22OC0080333);Villum Fonden(15401)。
An optical phased array(OPA),the most promising non-mechanical beam steering technique,has great potential for solid-state light detection and ranging systems,holographic imaging,and free-space optical communications....
关键词:SIDELOBE OPTICAL DIRECTIONS 
Constant modulus sequence set design with low weighted integrated sidelobe level in spectrally crowded environments
《Science China(Information Sciences)》2022年第5期283-284,共2页Yi BU Hui QIU Tao FAN Xianxiang YU Guolong CUI Lingjiang KONG 
supported in part by National Natural Science Foundation of China(Grant Nos.61771109,U19B2017,61871080,61701088);Changjiang Scholar Program,111 Project(Grant No.B17008);China Postdoctoral Science Foundation(Grant No.2020M680147)。
Dear editor,Radar waveform design with desired correlation properties has received considerable attention because of its performance improvement in the detection of a weak target[1,2].Moreover,owing to the increasing ...
关键词:SIDELOBE SPECTRUM MODULUS 
Target detection method in passive bistatic radar被引量:5
《Journal of Systems Engineering and Electronics》2020年第3期510-519,共10页CHEN Gang WANG Jun 
the National Natural Science Foundation of China(61401526).
Owing to the advantages in detecting the low altitude and stealth target,passive bistatic radar(PBR)has received much attention in surveillance purposes.Due to the uncontrollable characteristic of the transmitted sign...
关键词:passive bistatic radar(PBR) mismatched filtering ambiguity sidelobe target detection 
Multi-dimensional ambiguity function for subarray-based space-time coding radar
《Journal of Systems Engineering and Electronics》2019年第5期886-896,共11页LAN Lan LIAO Guisheng XU Jingwei WANG Hanbing 
supported by the National Key Research and Development Program of China(2016YFE0200400);the Key R&D Program of Shaanxi Province(2017KW-ZD-12);the Postdoctoral Science Foundation of Shaanxi Province;the Nature Science Foundation of Shaanxi Province
Space-time coding radar has been recently proposed and investigated.It is a radar framework which can perform transmit beamforming at the receiver.However,the range resolution decreases when the number of the transmit...
关键词:SPACE-TIME coding RADAR MULTI-DIMENSIONAL AMBIGUITY function range resolution wide spatial coverage SUBARRAY SIDELOBE 
The Response to Arbitrarily Bandlimited Gaussian Noise of the Complex Stretch Processor Using a Conventional Range-Sidelobe-Reduction Window被引量:1
《Journal of Signal and Information Processing》2018年第1期36-62,共27页John N. Spitzmiller 
This paper derives a mathematical description of the complex stretch processor’s response to bandlimited Gaussian noise having arbitrary center frequency and bandwidth. The description of the complex stretch processo...
关键词:STRETCH Processing Noise Jamming Bandlimited Gaussian Noise Range-Sidelobe-Reduction Windows 
Blind adaptive constrained constant modulus algorithms based on unscented Kalman filter for beamforming被引量:1
《Journal of Central South University》2017年第10期2342-2352,共11页QIAN Hua-ming LIU Ke JIAO Zhi-bo MA Jun-da 
Project(61573113)supported by the National Natural Science Foundation of China;Project(2014RFXXJ074)supported by the Science and Technology Innovation Talents Research Fund of Harbin,China
This work proposes constrained constant modulus unscented Kalman filter(CCM-UKF) algorithm and its low-complexity version called reduced-rank constrained constant modulus unscented Kalman filter(RR-CCM-UKF) algorithm ...
关键词:CONSTRAINED constant MODULUS criterion BLIND BEAMFORMING unscented KALMAN filter generalized SIDELOBE canceller 
A beamforming design for weighted sidelobe power leakage minimization
《Science China(Information Sciences)》2016年第6期140-148,共9页Cheng FENG Meng MA Bingli JIAO 
supported by Hong-Kong, Macao and Taiwan Science & Technology Cooperation Program of China (Grant no. 2015DFT10170);Beijing Higher Education Young Elite Teacher Project
In this paper, a beamforming scheme for minimizing the weighted sidelobe power leakage while maintaining the norm of the weight vector at unity is proposed. The proposed criterion is very flexible because weighting fa...
关键词:beamforming weighted sidelobe power leakage 2-norm singular value decomposition(SVD) direction of arrival(Do A) 
Free-space optical data links based on coaxial sidelobe-modified optical vortices
《Chinese Optics Letters》2015年第10期16-20,共5页张萌 贾平 李玉茹 雷霆 李朝晖 袁小聪 
partially supported by the National Nature Science Foundation of China (Nos. 61138003, 61427819, and 61405121);the Natural Science Foundation of SZU (No. 201454);the startup funding of SZU (Nos. 000011, 000075)
We propose and demonstrate free-space optical data links based on coaxial sidelobe-modified optical vortices(CSMOVs). In contrast to the optical communication systems based on amplitude, frequency, or phase detectio...
关键词:links topological matching captured alignment camera charges stringent optimize coordinates 
A New Algorithm for Sparse Frequency Waveform Design with Range Sidelobes Constraint被引量:1
《Chinese Journal of Electronics》2015年第3期604-610,共7页WU Hao SONG Zhiyong FAN Hongqi LI Yunxiang FU Qiang 
supported by the National Natural Science Foundation of China(No.61101186,No.61101179)
To suppress narrowband interferences,sparse frequency waveform can be transmitted by wideband radar systems. It suffers the high range sidelobes. A new algorithm for sparse frequency waveform design with range sidelob...
关键词:COGNITIVE radar SPARSE frequency WAVEFORM Weighted integrated SIDELOBE level(WISL) PAR 
一种联合广义旁瓣抵消麦克风阵列和MMSE-LSA的语音增强系统
《科学技术与工程》2014年第19期248-252,共5页陈先宇 
单通道语音增强算法自20世纪60年代以来有了长足的发展,但由于时频域处理的局限性,现有的单通道语音增强算法无法有效抑制背景噪声中的突发噪声成分。突发噪声通常表现为短时、能量强、时频域有纹理特征,在参数上无法和语音进行有效区...
关键词:语音增强 最小均方误差语音增强算法(MMSE-LSA) 广义旁瓣抵消器(generalized SIDELOBE canceller GSC) 麦克风阵列 突发噪声 
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