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.
伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station.
伪随机码绝对式编码器采用M序列伪随机码作为编码方法，采用双狭缝技术进行分时位置读取，并采用ROM元件进行译码输出。
M sequence pseudorandom code is used for encoding the pseudorandom code absolute encoder, double slit technique is used to perform time sharing reading and ROM is used as the coding device.
结果显示：理论上采用双极性纯随机序列作为地址码可以使多址干扰达到最小，而在实际应用中伪随机m序列作为地址码也使多址干扰趋向最小。
The results show that MAI is minimized if pure random sequences are used as address codes, and m sequences are appropriate substitutes for pure random sequences in practice.
构造一类具有伪随机序列性质的循环码，并利用良好的伪随机序列的相关特性，对循环码进行相关译码。
The cyclic code based on pseudorandom sequence, and its decoding can take advantage of the nice characteristic of pseudorandom sequence's correlation.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
说明硬件测试中伪随机码序列特点和生成原理，并对比较时如何使数据对应做出讨论。
The comparing program in VB, how to produce a pseudorandom bit stream, and how to make the compared synchronous data correspondingly is described.
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。
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.
本文通过对NRZ、RZ伪随机码序列进行频谱分析，得知当NRZ码变换成码元占空比为1/2的RZ码时，所提取出的定时时钟功率最强。
By analysing frequency spectrum in this paper, we can understand that when NRZ code be transferred into RZ code of 1/2 mark-to-space ratio, the timing clock can be obtained at largest power.
第六章讨论了伪随机序列和数据扰码的特点，并给出了其ASIC实现方案。
Chapter six studies characteristics and implementations of pseudo-random sequence generator and data scrambling, and fulfills the de-scrambling function with ASIC.
扩频码序列的设计就是构造不同结构的具有良好特性的伪随机序列来满足CD MA系统的要求。
The design of spread spectrum code sequence is constructing pseudo-random sequence which is possessed of different structure and good performances in order to satisfy the need of CDMA system.
采用RS码作为构造跳频图案的伪随机序列，分析讨论了RS序列的产生方法。
The RS sequences have been chosen as a pseudo-random frequency hopping sequence, and the RS sequence production method has been introduced.
如果扩频序列采用正交性能好的伪随机码，系统的性能可以优于其他系统；
The dissertation use theories analysis , computer simulation methods with hardware to analyze system performance , data-mapping method and effect of PN code.
如果扩频序列采用正交性能好的伪随机码，系统的性能可以优于其他系统；
The dissertation use theories analysis , computer simulation methods with hardware to analyze system performance , data-mapping method and effect of PN code.
应用推荐