TY - GEN
T1 - Performance study on the two methods of if digital coherent detection
AU - Hu, Hang
PY - 2005
Y1 - 2005
N2 - The direct IF sampling and digital coherent detection technique has important application in the modern radar. This paper studies the performances of the typical digital coherent detection methods such as Hubert transform method and interpolation method etc. Utilizing LFM signal, we present the method that can test the quadrature performance of IF digital coherent detection by using pulse compression. Upon this method we give the relation of the quadrature performance and the order of Hubert filter and interpolation filter, and draw some conclusions on the quadrature performance. We point out that direct IF digital coherent detection leads to SNR loss and obtain the losses of two methods by simulations.
AB - The direct IF sampling and digital coherent detection technique has important application in the modern radar. This paper studies the performances of the typical digital coherent detection methods such as Hubert transform method and interpolation method etc. Utilizing LFM signal, we present the method that can test the quadrature performance of IF digital coherent detection by using pulse compression. Upon this method we give the relation of the quadrature performance and the order of Hubert filter and interpolation filter, and draw some conclusions on the quadrature performance. We point out that direct IF digital coherent detection leads to SNR loss and obtain the losses of two methods by simulations.
KW - Hubert transform method
KW - IF digital coherent detection
KW - IF digital coherent detection loss
KW - Interpolation method
KW - Pulse compression
KW - Q signals
KW - Quadrature performance of I
UR - https://www.scopus.com/pages/publications/33847133460
U2 - 10.1109/APMC.2005.1606353
DO - 10.1109/APMC.2005.1606353
M3 - 会议稿件
AN - SCOPUS:33847133460
SN - 078039433X
SN - 9780780394339
T3 - Asia-Pacific Microwave Conference Proceedings, APMC
BT - APMC 2005
T2 - APMC 2005: Asia-Pacific Microwave Conference 2005
Y2 - 4 December 2005 through 7 December 2005
ER -