片语

pseudo random noise generation伪随机噪声生成

PRN Pseudo Random Noise媅帡俦儞僟俭峃壒

- pseudo random noise伪随机噪声码

PN Pseudo-Noise伪噪声

pseudo-noise coding伪噪声码

pseudo random noise伪随机噪声

pseudo-noise code伪随机码

英汉例句

• the paper focuses on the techniques of acquisition and tracking of signal in direct-sequence spectrum system, including acquisition and tracking of pseudo noise sequence and carrier.

  重点讨论了对扩频信号的捕获与跟蹤的方法，其中包括扩频码的捕获与跟蹤以及载波的捕获与跟蹤。

• some methods of pseudo noise code ranging in sa tellite tt&c are discussed detailed ly in this paper.

  比较详细地讨论卫星测控系统中利用伪随机码来测距的几种方法。

• in order to reduce the time of acquisition pseudo noise code in gps receiver, the conventional acquisition method slide correlation in the time domain was analyzed.

  为缩短gps接收机捕获伪随机码的时间 ，分析了与时域滑动相关的常规捕获方法 ；

• pseudo noise sequence msk-modulation signal on target detection is researched. theory of waveform design is used.

  主要研究了伪随机序列的msk调制波的探测性能；

• a spread spectrum receiver then uses the synchronized replica of the pseudo noise sequences to recover the original information.

  接收端使用同步的伪随机序列进行相关解调恢复出原始信息数据。

• in spread-spectrum communication systems, the essential task which has to be performed is the synchronization of the pseudo noise signal contained in the input with that of the receiver.

  时分多址扩谱通信系统中，一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号同步。

• 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。

• 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 paper researched pseudo noise sequence msk- modulation signal on target detection with respect to waveform design.

  本文主要从波形设计的角度来研究msk信号的定距、测距等探测特性。

• 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。

• an enhanced spectrum reprocessing method is presented to estimate the duration of the pseudo noise (pn) sequence of direct spread spectrum sequence (ds/ss) signal.

  在二次谱方法提取直扩信号扩谱周期的基础上，提出一种增强直扩信号二次谱的方法。

• with the wide application of spread spectrum communication and cdma in military and public domain, people」s requirements on selecting pseudo noise code are more and more stringent.

  随着扩频通信和cdma在军用和民用领域的广泛应用，人们对伪随机码的选择提出了越来越苛刻的要求。

• 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 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。

• synchronization of pseudo noise is a premise condition for ds/ss working normally.

  扩频码的捕获和跟蹤，是ds/ss系统正常工作的前提条件。

• the effects of several types of oppressive broadband interference (bpsk interference, fm interference) on pseudo noise coded fuze system are analyzed.

  压迫宽带干扰（bpsk干扰，fm干扰）的几种类型的伪噪声编码引信系统的影响进行了分析。

• in this paper, the timing error is obtained by the autocorrelation characteristic of the pseudo noise sequence (pn-sequence) based on the special pilot symbols;

  本文根据设计的特殊导颁符号，通过伪随机序列的自相关特性得到定时误差；