Space-Time-Frequency Code 空时频编码
Space-Time-Frequency Block Code 空时频分组码
low frequency time-code signal 低频时码信号
low-frequency time-code receiver 低频时码接收机
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
作者提出低频时码信号的正交扫描解调技术，从理论上分析了正交扫描原理和实现方法，并进行了仿真测试；
A novel frequency time spreading code by designating the different frequencies to the different mark positions of the modified prime code is proposed.
通过对改进素数码的不同脉冲位置赋予不同的频率，提出了一种新的跳频扩时码。
Using the planar search, code start point and carrier frequency were reached at the same time.
采用了二维联合搜索的快速算法，同时捕获扩频信号的载频和码起点。
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