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- Direct Sequence Spectrum Spreading (DSSS) 直接序列扩频
- Adaptive Nonlinear Filter Techniques Using Evolutionary Programming for Interference Suppression in Direct Sequence Spectrum Systems 直接序列扩频通信中干扰抑制的进化规划自适应非线性滤波技术
- direct sequence spectrum 直序列扩频
- 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。
- 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。
- The principle of direct spread sequence spectrum(DSSS) is discussed to show character of antidisturbance,and the receiver model and dispatcher model of DSSS is given. 详细阐述了直接序列扩频技术的原理及其抗干扰特性,并给出该通信模式接收机和发送机的模型。
- The principle of direct spread sequence spectrum (DSSS) is discussed to show character of antidisturbance, and the receiver model and dispatcher model of DSSS is given. 详细阐述了直接序列扩频技术的原理及其抗干扰特性，并给出该通信模式接收机和发送机的模型。
- This paper introduces GMSK into Direct Sequence Spread Spectrum(DSSS) communication system in order to obtain good performance of power spectrum. 本文将GMSK调制引入到直接序列扩频通信系统中,以期获得更好的功率谱利用率。
- Direct Sequence Spread Spectrum(DSSS)method is a major kind of anti-jamming technique which has been used extensively in communication fields. 直扩技术是一种在通信领域获得广泛应用的主要通信抗干扰技术。
- Blind despread of multi-sequence Direct Sequence Spread Spectrum signals (tamed DSSS signals) with unknown spreading codes are discussed in this paper. 该文研究的是在未知扩频序列的情况下，实现多序列直扩信号(也称软扩频信号)的解扩。
- The topic of this paper comes from the need of pricise carrier frequence measuring of Direct Sequence Spread Spectrum signal. 本论文课题来源于工程中要求对直接序列扩频信号载波频率进行精确测量的客观需求。
- Also,802.11 maintained compatibility with the three most popular radio transmission types: direct sequence spread spectrum,frequency-hopping spread spectrum,and infrared. 802.;11也保持了与三种最流行的无线电传输方式（直接顺序扩频、跳频扩频和红外线）的兼容性。
- An efficient method that can blindly estimate and synchronize to PN sequence of direct sequence spread spectrum (DS-SS) signal quickly is presented in a non-cooperative context. 摘要在非协作信息侦测情况下，提出了一种实用的直接序列扩频(DS-SS)通信信号PN码序列的快速盲估计方法。
- In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created. 在直接序列扩频通信系统中,假设敌方能够逐个比特地检测到整个PN序列,并产生一个调制的转发干扰。
- Also, 802.11 maintained compatibility with the three most popular radio transmission types: direct sequence spread spectrum, frequency-hopping spread spectrum, and infrared. 11也保持了与三种最流行的无线电传输方式（直接顺序扩频、跳频扩频和红外线）的兼容性。
- It is a necessary process to estimate the spread spectrum sequence for direct sequence spread spectrum (DSSS) signal for blind de-spreading in non-cooperative communications. 摘要在非协作条件下直接序列扩频(DSSS)信号的扩频序列估计是盲解扩的必需环节。
- The performance of hybrid spread spectrum communication systems is compared with those of the frequency hopped systems and direct sequence spread spectrum communication systems. 并且将混合扩频通信系统与跳频通信系统和直接序列扩频通信系统的性能进行了分析、比较。
- To solve the problem of tracking for direct sequence spread spectrum signals where data is non-coherent with code, a new method of tracking is presented. 摘要针对数据位和伪码周期非相参时直接序列扩频信号的跟踪问题，提出了一种新的跟踪方法。
- In the acquisition ways of the direct sequence spread spectrum code,sequence probability ratio test(SPRT) acquisition is a better way,acquisition time reduced 2 to 10 times compared with correlation acquisition. 在直扩编码的捕捉方法中;序贯捕捉法是一种较好的捕捉方法;与相关捕捉法相比其速度能提高2~10倍.
- Based on the experience in building WLAN in a mountain area county, the author analyses the direct sequence spread spectrum in WLAN transmission technique, the composition of WLAN and their applications, as well as the standard of WLAN. 本文基于在一个山区县建成无线局域网的实践，研究无线局域网传输技术当中的直接序列扩频、无线局域网系统的组成和各种应用，并介绍无线局域网的标准。
