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- spread spectrum pseudo noise 扩展频谱伪噪声
- 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。
- Spreading spectrum and dispreading spectrum are fundamentals of the Spread Spectrum (SS) communication system, in which construction and selection of Pseudo Noise (PN) code act as main function. 在扩频通信系统中,扩频和解扩是系统的根本,伪随机码序列的构造和选取则是扩频和解扩的关键。
- Pseudo random sequence has broad applications in stream cipher, channel coding, and spread spectrum communication. 伪随机序列在流密码、信道编码、频通信等领域有着广泛的应用.
- It uses spread spectrum technology. 它使用扩频技术。
- Wireless Spread Spectrum Communication and Its. 无线扩频通信及其应用。
- Study of Spread Spectrum Receiver. 扩频接收机的研究。
- 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 spread spectrum communication has advantages of anti-noise, anti-interaction and nice secrecy for the noise characteristic of PN sequence. 由于PN序列具有类噪声特点,使得扩频通信具有抗噪声、抗干扰、保密性能好等优点。
- The Future of Spread Spectrum Communications in the Datong Coal Mine Group Co. 扩频通信技术在大同煤矿的应用前景。
- In Additive White Gaussian Noise (AWGN) channel, we introduce a method for synchronization of symbol timing and frequency for two-dimensional spread spectrum system without prior knowledge of spread spectrum matrix. 摘要针对加性白高斯噪声信道,考虑未知二维扩频矩阵的条件下,提出了一种二维扩频系统的时频同步方法。
- An algorithm based on the Haar wavelet transform(HWT) was developed for blind estimates of pseudo-random code(PC) rates and symbol periods of direct sequence spread spectrum(DS/SS) signals in low signal to noise ratio environments. 为解决低信噪比下直扩信号的参数估计问题,提出了一种基于H aar小波变换实现直扩信号伪码(PC码)速率和符号周期盲估计的新型算法。
- Frequency-hopping spread spectrum (FHSS) was developed by the military for secure communications. 跳频扩频(FHSS)是由军方为保密通信开发的。
- Spread spectrum technology competes in the unregulated portion of the radio electromagnetic spectrum. 扩频技术是在无线电电磁频谱中无条例管制的部分中竞争。
- An Improved Method of Acquisition of Pseudo Noise 一种伪码捕获方法的改进
- Spread spectrum has two distinct flavors: direct sequence and frequency hopping. 该技术有两个明显的变型:直接顺序与跳频。
- Application of the Dual Sequence Pseudo Random Noise Spread Spectrum(DPN-SS) in the HFC 双伪随机序列扩频(DPN-SS)在HFC中的应用研究
- A better method for direct sequence spread spectrum(DSSS) receiver to decrease the acquisition time is proposed. 提出一种减小直接序列扩频(DSSS)接收机信号捕获时间的改进方法。
- A small scale digital trunking communication system based on the spread spectrum technology was presented. 介绍了一种基于扩频技术的全双工通信小型集群通信系统。
- Research of the Pseudo Noise Code in Pipeline's Detection 管道检测中伪随机码技术应用研究