Based on least square method to achieve precise sampling points of accurate timing between, performance is much higher than the round trip distance method and timing range. The simulation shows that the method of noise and frequency for partial has very good effect. This is the source code, with matlab, project required to the accuracy of the actual 10 ns we realized the precision of the within 3 ns.

10ns入库版\100k定时误差.mat
..........\120k定时误差.mat
..........\140k定时误差.mat
..........\60k定时误差.mat
..........\80k定时误差.mat
..........\acurate_time.m
..........\acurate_time1.asv
..........\ceof.mat
..........\coef.mat
..........\coef1.mat
..........\completment16_2_integer.asv
..........\completment16_2_integer.m
..........\distancetst.asv
..........\filteriir.m
..........\filter_coef_lib.mat
..........\framehead.m
..........\freqest.m
..........\mainmod.asv
..........\mainmod.m
..........\mainmod1.asv
..........\Num.mat
..........\perducewavelib.m
..........\PN_code.m
..........\qpskmod.asv
..........\qpskmod.m
..........\signalband.asv
..........\signalband.m
..........\signaldefreq.m
..........\signalflagcap.m
..........\signalsyn.asv
..........\signalsyn.m
..........\signal_PN0.mat
..........\signal_rec_band.mat
..........\signal_rec_band0.mat
..........\testfreq.asv
..........\testjx.asv
..........\Untitled.m
..........\不同多普勒频偏的定时误差.bmp
..........\方波的频谱.bmp
..........\滤波后的BPSK.bmp
..........\联调鉴相曲线.fig
..........\鉴相曲线1.jpg
10ns入库版

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