spread spectrum的例句大全

An anti-jamming scheme of code acquisition in spread spectrum communication systems

扩频通信系统中一种消除干扰的编码捕获方法

The paper presents a spread spectrum signal acquisition speed sliding correlation method base on FPGA, to address the problem of capture long PN code under low SNR.

文中提出了一种基于FPGA的扩频信号快速滑动相关捕获方法，来解决低信噪比条件下长伪码序列的捕获问题。

It uses ARM and spread spectrum together and gives hardware of pronunciation communication module, extended memory of main control module, spread spectrum treating module, CPLD module and so on.

并将ARM控制技术和扩频相结合，给出了语音通信模块设计、主控制模块中扩展存储器设计、扩频处理模块、CPLD模块等硬件组成及结构；

In TT& C system, unified spread spectrum framework and adaptive antenna digital beamforming technologies are used to track, telemetry and command objects.

统一扩频测控体制的多飞行器测控系统应用自适应天线数字多波束形成技术对目标实施跟踪和测控。

By spread spectrum technology, the telemetry tracking and command of small satellite groups can be well realized.

采用扩频技术可以较好地解决小卫星群测控及跟踪的问题。

Spread Spectrum Communication System on Low Voltage Power Line and Its Analysis of Anti-Jamming Capability

低压电力线扩谱通信系统及抗干扰性能分析

Research on Post Detection Integration Methods for the Telemetry Spread Spectrum Receiver

遥测扩频接收机中的检测后积分技术研究

In this paper, a complete scheme is proposed for El Wireless Spread Spectrum Modem in TDD mode. Firstly, it discusses TDD protocols and base band module.

本文提出了TDD扩频E1无线Modem总体设计方案，详细地论述了TDD协议和基带扩频模块的设计方案。

Adopting spread spectrum technique, it can reduce emission power and achieve high precision location offshore.

应用扩频技术，可以大大降低对发射功率的要求，实现海上的高精度导航定位。

Remote Management System of Low Voltage Distribution Based on Cordless Spread Spectrum Communication Technology

基于无线扩频技术的低压配电远程管理监测系统

Research on Hardware and Software of Digital Spread Spectrum Cordless Telephone Systems

数字扩频无绳电话系统硬软件的研究

The platform of FPGA embedded signal processing based on the idea of software radio is set up to achieve the architecture of system on programmable chip ( SOPC). The time delay estimation model of sound wave spread spectrum system is established with the optimization of algorithm.

在此基础上，结合软件无线电思想，利用FPGA嵌入式数字信号处理平台实现可编程片上系统；建立声波扩频测距时延估计模型，研究数字信号处理优化算法，给出实验结果，分析和讨论测量精度问题。

Simulation of Hybrid DS/ FH Spread Spectrum Technique in LEO Satellite Telemetry& Control Link

混合扩频技术在低轨卫星测控链路中的仿真

A time domain processing mode spread spectrum system is presented.

提出了SAW存储相关器时域处理模式扩频系统；

The traditional anti-jamming techniques-such as High-speed Frequency Hopping Technology, Spread Spectrum Coding Technology and Time Hopping Technology-are based on the degree of freedom in the frequency domain, or time domain to get the improvement of the anti-jamming performance.

传统的抗干扰技术例如高速跳频，扩频编码以及跳时技术都是分别以频率域，时间域上的自由度资源为基础来获得抗干扰性能的提升的。

In order to reduce the interference to other communications systems during transmission, the method of spread spectrum is proposed, including the time hopping and direct sequence.

为了减小在传输过程中对其他通信系统产生干扰，提出了频谱扩展的方法，包括时间跳跃和直接序列。

In this paper, the multiple access performances of spread spectrum with chaotic sequence and that with pseudo-random sequence, pseudo-( chaotic) time hopping and conventional time hopping are compared, in terms of theoretical analysis of bit error rate, simulation results and the receiver.

从误码率理论分析、性能仿真和接收机结构等几个方面对混沌序列扩频与伪随机序列扩频、伪混沌跳时与传统跳时多址接入方式进行比较研究。

The Application of a Digital Spread Spectrum Chip in a Telemetry System

数字扩频芯片在遥测系统中的应用

Research on Acquisition Time to Spread Spectrum Radar Signals

扩谱雷达信号截获时间研究

Then the key technologies of air interface are put forward, including the direct sequence spread spectrum, full-duplex, time-division multiple access, code-division multiple access, error control, mobility management and data communication protocol.

然后分析了无线数据平台使用的技术：直接序列扩频、全双工、时分复用多址、码分复用多址、差错控制、移动性管理、数据通信协议；