The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 32-619
Full Name: Wei Peng
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: No.4, Section 2, North Jianshe Road, Chengdu
Country: CHINA
Tel: 28-83200767
Tel prefix: +86
Fax: +86-28-83201690
E-mail address: pengwei1969@yahoo.cn
Other E-mails: pw7@163.com
Title of the Paper: An Efficient Relative Delay Measurement System for Digital Wideband Array Radar with LFM Waveform
Authors as they appear in the Paper: Wei. P. Xue. G. W. Ke. S. C Bin. T
Email addresses of all the authors: pengwei1969@yahoo.cn, xgwang@uestc.edu.cn, cks149@tom.com, tbuestc@163.com
Number of paper pages: 13
Abstract: Abstract: A relative delay measurement system for digital wideband array radar using linear frequency modulation (LFM) waveform is put forward along with a deep investigation of its basic aspects. Based on stretch processing technique and applying digital decimation method, the proposed measurement system can work at low processing rates, thus effectively reducing the computation and lowering hardware complexity. Moreover, by means of reasonable parameter setting and unique design construction, relative delay values among multiple digital transmit/receive (T/R) modules can be measured at one single measurement process. Their measurement accuracy is deduced in a theoretical way, while some significant factors are evaluated thereafter. It is shown that measurement error, resulting from the module thermal noise and the interaction of multiple co-existing LFM pulses respectively, consists of noise error and systematic error. Based on these analysis results, parameters !
of the measurement system can be optimized and its performances are predicted. Specific conclusions are testified by simulations.
Keywords: Relative delay measurement system, Digital wideband array radar, LFM waveform, Measurement error, Stretch processing£¬FFT
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