The spreading signal is a pseudo-noise code sequence that has a chip rate which is orders of magnitudes grater than the data rate of the message.
扩频信号是一个伪随机代码序列，此码片速率比消息数据速率高若干数量级。
A new receiver structure was proposed for adaptive smart antennas in CDMA mobile communication systems, requiring only the knowledge of the desired user's pseudo noise (PN) code sequence.
利用码分多址(CDMA)系统中的用户伪随机(PN)码信息，提出了一种新的自适应智能天线结构。
The pseudo random noise ranging code has been applied extensively to spread spectrum communications.
伪随机码在扩频通信中得到广泛应用。
Because of the limits of feedback devices, high speed pseudo noise code generation cannot depend simply on the improvement of clock rate.
由于反馈器件的限制，高速伪码不能采用单独依赖提高时钟频率的方法。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
被高速伪随机码调制的扩频信号，其伪随机码是具有随机编码信号特征的周期信号。
Also these methods a re analyzed and compared in the factual condition and a perfect pseudo noise code ranging method is educed. That is PN code ranging with on -board processing.
结合实际情况对这几种方法进行分析比较，在现有技术设备条件下得到了一种比较理想的伪随机码测距方法—星上处理伪随机码测距。
In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.
深空通信中，利用伪随机编码信号可实现低信噪比接收和多址通信。
The searching range of pseudo noise code was narrowed utilizing to the information provided by epicheirema. The lost reacquisition time was shortened.
利用有效星历所提供的先验信息，对伪随机码的搜索范围进行压缩，缩短了伪随机码失锁重捕的时间；
The searching range of pseudo noise code was narrowed utilizing to the information provided by epicheirema. The lost reacquisition time was shortened.
利用有效星历所提供的先验信息，对伪随机码的搜索范围进行压缩，缩短了伪随机码失锁重捕的时间；
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