• The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.

    高速随机调制扩频信号,其伪随机码具有随机编码信号特征的周期信号。

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

    介绍随机序列基本知识以及理论谱雷达波形设计中的典型应用

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  • Because of the limits of feedback devices, high speed pseudo noise code generation cannot depend simply on the improvement of clock rate.

    由于反馈器件限制高速不能采用单独依赖提高时钟频率的方法。

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  • 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)几种类型噪声编码引信系统影响进行了分析。

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  • The searching range of pseudo noise code was narrowed utilizing to the information provided by epicheirema. The lost reacquisition time was shortened.

    利用有效星历提供先验信息,对随机搜索范围进行压缩,缩短了伪随机码锁重的时间;

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  • 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.

    结合实际情况几种方法进行分析比较现有技术设备条件下得到了一种比较理想随机测距方法—星处理随机码测距。

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  • 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)系统中的用户随机(PN)码信息提出了新的适应智能天线结构

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  • 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.

    随机噪声数字信号处理具有重要实用价值,噪声产生具有指定概率分布伪随机噪声的基础

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

    第五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、随机码噪声干扰、目标干扰。

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  • 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.

    提出种在随机噪声中的密文隐藏方法方法主要采用噪声控制技术将密文嵌入噪声流中

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  • The pseudo random noise ranging code has been applied extensively to spread spectrum communications.

    随机扩频通信中得到广泛应用

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  • 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.

    扩频信号一个随机代码序列,此码速率消息数据速率高若干数量级

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  • The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.

    采用双过滤噪声功率谱模型描述震动,并用林家浩虚拟激励进行随机响应分析。

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  • The results show that the input white noise can be substitute by pseudo-random signals in identifying the impulse response of a drill-string system.

    研究随机信号特征及伪随机信号产生的方法,得出了伪随机信号代替噪声信号辨识系统脉冲响应的结论。

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  • Numerical experiments show that our new method can significantly improve the signal-to-noise rate while depressing Pseudo-Gibbs phenomena.

    试验表明本文方法与传统的阈值去方法相比抑制震荡的同时显著地提高信噪比。

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  • This dissertation discusses the techniques used in the analysis process, such as image packaging, noise processing and pseudo-color processing.

    论文讨论分析过程用到图像封装噪声处理伪彩色处理技术

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  • Treating secret information is to enlarge its spectrum and pseudo - randomizes it so that make secret information not detected like stochastic noise.

    秘密信息的处理来说,可以秘密信息扩频随机化,使具有类似于随机噪声的特性从而不易被探知。

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  • In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.

    通信,利用随机编码信号实现信噪比接收多址通信。

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  • Software and hardware implementation of ranging was sum up including triangulation & parallax measuring, pulse current ranging and pseudo random noise ranging.

    总结测距功能软硬件实现技术,包括传统的三角测量和视差测距技术、电脉冲测距技术、码扩频脉冲串测距技术。

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  • Software and hardware implementation of ranging was sum up including triangulation & parallax measuring, pulse current ranging and pseudo random noise ranging.

    总结测距功能软硬件实现技术,包括传统的三角测量和视差测距技术、电脉冲测距技术、码扩频脉冲串测距技术。

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