spread spectrum
英 [spred ˈspektrəm]
美 [spred ˈspektrəm]
网络 频展; 展频; 扩展频谱; 扩频技术; 展频技术
双语例句
- It is emphasized how to select the spread spectrum access code, and how to realize synchronization and modulation etc.
着重介绍了扩频地址码的选择及实现、同步方式和解调方法等。 - Low complexity multipath elimination technology in a spread spectrum system
扩频系统中低复杂度多径消除技术研究 - Through the analysis of the spread spectrum and power line carrier spectrum, the authors design a set of remote reading system.
通过对扩频通信和电力线载波通信特点的分析，设计实现了一套远程抄表系统。 - Direct-sequence spread spectrum ( DSSS) takes a signal and "spreads" it over several frequencies, essentially creating redundant signals.
直接顺序扩频（DSSS）取出信号，把它散布到几个频率上，实质上形成了冗余的信号。 - Research and Realization of an Algorithm for Narrowband Interference Suppression in Spread Spectrum System
扩频通信系统中抑制窄带干扰算法研究及实现 - Spread Spectrum Modulation Technique and Application in Radar System
扩频调制技术及其在雷达系统中的应用 - Design of a high-precision data acquisition system in spread spectrum communications
扩频通信中高精度数据采集系统的设计 - The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别，然后建立了TH-IR和DS-IR超宽带系统的仿真模型，得到两种IR系统在多种干扰条件下的误码率性能。 - Deriving from direct sequence spread spectrum, efficient spread spectrum can solve the inconsistency in transmission bandwidth and process gain, and improve the anti-jamming ability of the system.
高效扩频技术是直接序列扩频衍生而来的，能有效解决传输带宽与处理增益之间的矛盾，提高系统的抗干扰能力，受到了越来越多的重视。 - There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.
重要有两种选择，直接序列扩频和跳频扩频。 - Under strong interference environment for the burst-mode direct sequence spread spectrum system, the basic principles of spread spectrum Communication are performance parameters were introduced.
针对强干扰环境下的短时突发扩频发射系统，介绍了扩频通信的基本原理和性能参数，并以处理增益为指标分析了突发直扩系统的抗干扰能力。 - The current analysis focuses on the performance of BPSK modulation on2-dimensional spread spectrum system with single-tone jamming.
针对二进制相移键控调制的二维扩频系统，分析了其抗单音干扰的性能。 - Image Multi-watermark Technology Based on Turbo Code and Spread Spectrum
基于Turbo码和扩频的图像多水印技术 - The error rate model is one of the key indexes of underwater acoustic spread spectrum communications system.
误码率模型是水声扩频通信系统性能的关键指标之一。 - Multi-Carrier Spread Spectrum Communication and Its Multi-User Detection Technology Research
多载波扩频通信及其多用户检测技术研究 - Anti-noise Performance of Chirp Spread Spectrum System
Chirp扩频通信系统抗噪声性能研究 - It uses Chirp Spread Spectrum technique to communicate and range.
该方法利用线性调频扩频技术进行通信并实现测距； - 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。 - Detection and Estimation of the Spread Spectrum Signal Using Parallel filter banks and High-Order Cumulants
基于并行滤波器组和高阶累积量的扩频信号检测与估计 - The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
论述了直接序列扩频测距的原理，研究了近距离测距的回波模型。 - The paper introduces the theory of self-encoded spread spectrum and proposes an improved approach to its self-interference.
介绍了自编码扩频的原理，针对其自干扰现象提出了改进方法。 - First, the basic principles of power line communication and spread spectrum are introduced.
论文首先介绍了电力线载波通信和扩频技术的基本原理。 - Spread spectrum, frequency-hopped, which generates many codes over a wide frequency band.
它在很宽的频带上产生许多代码。 - Research on Passive Optical Network and Code Division Multiplexing Optical Access with Chaotic Spread Spectrum Sequences
无源光网络和混沌扩频码分多址光接入研究 - This paper mainly deal with the sink of the spread spectrum communication on power line.
本文主要负责电力线扩频通信系统的接收部分。 - The anti-interference capability of feebleness spread spectrum communication has already been analyzed in some reference books.
有关微弱扩频通信系统的抗干扰性能分析及误码率分析在很多书中已给出详细的推导。 - Application of wireless spread spectrum communication in seismic data acquisition system
无线扩频技术在地震勘探数据采集系统中的应用 - Research on Array Pairs Correlation Theory and Its Application in Spread Spectrum Communication System
阵列偶相关理论及其在扩频通信系统中的应用研究 - At present, spread spectrum technology has been extensively applied in the field of tactical anti-jamming communication.
扩展频谱技术是抗干扰通信中的主要应用技术。 - Performance Analysis on Direct Sequence Spread Spectrum Communication System over Rayleigh Fading Channels
瑞利衰落信道下的直序扩频通信系统性能分析