扩展频谱通信 Spread Spectrum Communication ; Extended Spectrum Telecommunication ; Spread Spectrum
直接序列扩展频谱 direct swquence spread spectrum ; sequence spread spectrum ; Direct Sequence Spread Spectrum
频率跳动扩展频谱 frequency-hopping spread spectrum
扩展频谱频率调制 SSFM
扩展频谱时域反射法 SSTDR
扩展频谱调制技术 spread spectrum modulation technique
跳频扩展频谱 Frequency Hopping Spread Spectrum ; FHSS
扩展频谱调制 spread-spectrum modulation
序列扩展频谱 Direct Sequence Spread Spectrum ; DSSS
扩展频谱定时 Spread Spectrum Clocking
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
直接系列扩频通信系统的频谱扩展是借助于扩频函数而实现的，典型的扩频函数就是伪随机序列码。
Spectra expanding of Spread spectrum communication system makes use of the spread spectrum function to realize, the typical spread spectrum function is pseudo random sequence code.
论文分析了卷积编码方法和扩展频谱方法，并详细论述了编码和扩频的软件实现方法，给出了程序的流程图和相关程序。
This paper analyses convolution encoding method and spreading spectrum method and discusses emphatically its implementation and demonstrates the program flow chart.
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