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This paper proposes a method for narrowband interference suppression in Direct Sequence Spread System(DS-SS). 该文提出一种基于门限估计的直接序列扩频(DS-SS)通信系统窄带干扰变换域抑制方法。
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。
When the strong tone interference exists in the Direct Sequence Spread Spec-trum(DSSS) system, the traditional linear prediction filter performs poorly. 在很强的单音干扰存在时,传统的线性预测滤波方法不能达到很好的抗干扰性能。
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。
We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests. 提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法,并在测试中达到了较好的性能。
direct sequence system 直接序列系统
direct sequency system 直接序列系统
Direction of Arrival (DOA) estimation is one of the key technologies of Direct Sequence Ultra Wide Bandwidth (DS-UWB) system. 摘要到达角估计是直接序列超宽带系统的关键技术之一。
A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy. 建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。
The IC used in this Automatic Meter Reader System is a new product of Shanghai Fudan Microelectronics Co., Ltd.The basic theory for the IC is the Direct Sequence Spread Spectrum (DSSC) arithmetic. 本文中用到的通信芯片是本公司刚刚研发出的芯片，该芯片主要采取了直接序列扩频通信(DSSS)的算法。
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。
Direct sequence code division multiple access( DS/ CDMA) as a technique for underwater acoustic networks is attracting attention from researchers. 直接序列码分多址(ds/DMA)一种受关注的水下声通信网多址接入方案。
An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented. 摘要提出了直接序列扩频通信系统中抑制窄带干扰的一种算法。
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。
It discusses the designing idea of the system and steps of the implementation of algorithm, explains and evaluates the use of the sequencing system. 论文对该笔划排序系统的设计思路、算法实现步骤等进行了详细讨论并对该排序系统的使用进行了有关说明和评价。
But that's all about to change with the introduction of the Flats Sequencing System (FSS) by the U.S.Postal Service (USPS). 但是这一切即将改变引进单位测序系统（院）由美国邮政服务（美国邮政）。
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。