supported by National the Natural Science Foundation of China(No.61271373);the Foundation of Shanghai Aerospace Science and Technology(No.SAST201215)
To reject false alarm, a new detection trial algorithm named motion parameters constraint for Direct sequence spread spectrum(DS-SS) signal is proposed. A mathematical model based on uniform motion between two adjacen...
This work is supported by the Basic Science Research Fund in Xidian University (No.JY10000902037) and the National Natural Science Foundation of China (No.60871074).
The parameter estimation of Direct sequence spread spectrum (DS-SS) signals with QPSK modulation under non-cooperative conditions is considered. The explicit expressions of both the third- and the fourth-order cycli...