pseudo noise是什么意思_(伪噪声的英文)

1·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。

2·The basic idea of pseudo noise sequence and its typical application in radar signal designing were introduced in this paper.

介绍了伪随机序列的基本知识以及该理论在扩谱雷达波形设计中的典型应用。

3·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。

4·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。

5·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；

6·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。

7·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。

8·The pseudo-random data are widely applied in digital signal processing. White noise data is the basis of generating random data, which has the expected probability distribution.

伪随机噪声在数字信号处理中具有重要的实用价值，白噪声是产生具有指定概率分布的伪随机噪声的基础。

9·In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed.

第五章对雷达干扰进行了阐述，主要的干扰信号有连续噪声调相干扰、伪随机码噪声干扰、多假目标干扰。

10·A method for hiding ciphertext in the noisy stream is presented, with the ciphertext embedded in a noise stream by a pseudo sequence which is controlled by the noisy stream.

提出了一种在随机噪声中的密文隐藏方法，该方法主要采用噪声控制技术将密文嵌入噪声流中。