spread spectrum modulation的例句大全

Color Image Blind Watermark Algorithm Based on Spread Spectrum Modulation and Visual Masking

基于扩频调制和视觉掩蔽的彩色图像盲水印算法

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Aiming at the spectrum spread problem of traditional digital modulation signals, a time-phase modulation ( TPM) method with abrupt phase change characteristic is proposed.

针对传统数字调制信号频谱扩展问题，提出具有相位突变特性的时相调制（TPM）方式。

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A Multipath Extracting on Spread-Spectrum Communication with Space-Time Modulation Based on TK Algorithm

基于TK算法时空调制扩频信号的多径提取技术

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The Application of Trellis Coded Modulation in Direct Sequence Spread Spectrum Signal Set

格码调制在直接序列扩频信号集中的应用

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The paper designs and implements the baseband processing module, the spread spectrum processing module, the IF modulation and demodulation, AGC, synchronization, equalization, etc.

本文设计并实现了基带数据处理模块，扩频处理模块，中频调制解调模块，实现了AGC、同步、均衡等方面的保障。

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According to the characteristic of Through-the-Wall Surveillance ( TWS), a novel TWS detector scheme is proposed which is based on sinusoidal frequency modulation and spread spectrum technologies. The experimental system is established, and some experiments are accomplished.

该文根据穿墙生命探测（TWS）的特点，提出了基于正弦调制、扩频连续波体制的TWS探测器设计方案，研制完成了该探测器的实验系统，并进行了实验验证。

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A New Integrated Spread-Spectrum System of Communication and Wireless Location with Eight Phases Space Time Modulation

一种新型八相时空调制扩频通信定位综合系统

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system design and simulation of communication and radiolocation with spread-spectrum space-time modulation transmitted by circular array antennae

圆天线阵时空调制扩频通信定位系统设计与仿真

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a long code and a short code spread-spectrum modulation is used in the transmitter, and meanwhile an easy dispreading scheme is used in the receiver.

发射端采用长短码正交扩频的平衡调制，接收端采用一种简单解扩方式简化了并行MSK信号的解调，同时用短码全1引导长码同步的方法大大减小了长码的捕获时间。

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Linear frequency modulation ( LFM ) interferences may be a kind of preferred wideband interferences in spread-spectrum.

线性调频 ( LFM ) 是扩频系统中常见的一种宽带干扰样式.

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Based on the Fourier transform analysis of saw tooth signal frequency modulation, the concept of power spectrum spread attenuation factor in the case of barrage jamming is presented.

首先通过对锯齿波调频的傅里叶变换，提出了阻塞式干扰下功率谱扩展衰减因子概念；

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Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.

其中重点分析了混沌掩盖技术, 混沌参数调制技术, 混沌键控技术和混沌扩频技术的原理.

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on the sending end, the paper focuses on error control coding, waveform shaping, spread spectrum and 8psk modulation, etc.

在发送端，主要研究了差错控制编码，波形成形、扩频和8PSK调制等关键技术；

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