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《Chinese Journal of Radio Science》 2001-04
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A study on the method of passive sounding of channels for short wave frequency-hopping system

ZOU Xue yu 1 GAN Liang cai 2 (1.Jianghan Petroleum University, Jingzhou Hubei 434102,China; 2.Wuhan University, Wuhan Hubei 430072, China)  
Based on the implement of FFT (fast Fourier transform) demodulator in FH/QDPSK System, this paper propose a method of passive sounding of short wave channel energy. This method can determinate which band and which band chip to have a good condition of built up communication link by using the detected signal energy on the each of bands and band chips. The average detection probability and false alarm probability have been gotten with simulation on this condition of SNR changed from -10dB to 10dB and average noise power changed from -3dBW to 10dBW. Those results and analyses can offer a better reference how to select a appropriate threshold criterion.
【Fund】: 国家自然科学基金资助项目 (6 9772 0 15 )
【CateGory Index】: TN925
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【References】
Chinese Journal Full-text Database 1 Hits
1 ZHAO Hong-li WU Tie-ping BAO Zheng (Key Lab. for Radar Signal Processing, Xidian Univ.,Xi′an Shaanxi 710071, China);Coverage estimate of monostatic passive location system based on FM broadcast signals[J];Chinese Journal of Radio Science;2005-04
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 ZHANG Shi quan 1 FU De min 2 GE De biao 1 (1. School of Science,Xidian Univ., Xi'an Shanxi 710071, China; 2. School of Electronic Engineering,Xidian Univ., Xi'an Shanxi 710071,China);The effects of passive intermodulation interference on the anti-noise property of communications systems[J];Chinese Journal of Radio Science;2002-02
2 LI Ang JIANG Yan-sheng ZHANG An-xue WANNG Wen-bing Institute of Microwave Engineering and Optical Communication Techniques of Xi'an Jiaotong University,Xi'an,China 710049,;Suppressing the direct wave interference in GPR data using adaptive interference canceling[J];Chinese Journal of Radio Science;2004-02
3 YAO Fu qiang,LIU Zhong ying (PLA University of Science and Technology,Nanjing 210016,China);The Study of G Function Arithmetic of a HF High Speed FH CHESS Radio[J];Acta Electronica Sinica;2001-05
4 LIU Zhong ying 1,WAN Qian 1,YAO Fu qiang 2 (1 Institute of Communication Engineering PLAUST,Nanjing,Jiangsu 210016,China; 2 The 63rd Research Institute of PLA General Staff Headquarters,Nanjing,Jiangsu 210016,China);DFH G Function Algorithm Based on Additivity Fuzzy System Principle[J];Acta Electronica Sinica;2002-05
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8 Zhu Jiabing~(1,2) Hong Yi~(1,2) Tao Liang~2(1.East China Research Institute of Electronic Engineering,Hefei 230031;2. Anhui University,Hefei 230039);Direct Path Cancellation in Passive Radar Based on Adaptive Fractional Delay Estimation[J];Fire Control Radar Technology;2006-02
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【Secondary References】
Chinese Journal Full-text Database 10 Hits
1 TIAN Zeng-shan ZHOU Fei TAN Ying(Dept.of Communication & Information Eng,Chongqing University Posts and Telecommunication,Chongqing 400065,China);A novel algorithm of passive location for CDMA mobile communication system[J];Chinese Journal of Radio Science;2008-01
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3 LIU Zhao-wei XU Feng-yan WANG Zong-xin (Department of Communication Science and Engineering, Fudan University,Shanghai 200433,China);A new multi-user indoor location algorithm based on difference distance-loss model with parameter fitting[J];Chinese Journal of Radio Science;2008-06
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8 GE Xian-jun1,HE You2,SONG Jie2(1.Department of Scientific Research,2.Research Institute of Information Fusion,Naval Aeronautical and Astronautical University,Yantai 264001,China);Complex Envelope Estimation Techniques of Direct-path Pulse Signals Using Modified CMA+MMA[J];Modern Radar;2010-12
9 LIU Zhiqiang,MA Hongguang(Department One,The Second Artillery Engineering Institute,Xi'an 710025,China);Effects of Array Errors on Fast Direction Finding Performance in Non-cooperative Passive Detection[J];Journal of Southwest Jiaotong University;2010-04
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