This paper introduces the principle of spread spectrum communication, stresses the application of spread spectrum technique, and summarily introduces the broadband access technology of power line .
本文介绍了扩频通信的基本原理，重点论述扩频通信技术在家庭测控网络中的应用，同时介绍了电力线宽带接入技术。
In many portable instruments, the noise and EMI of its switch power supply must be solved, the preferable method is that EMI power is reduced with spread spectrum frequency technique.
在许多便携式设备中，其开关电源的噪声和电磁干扰(emi)是亟待解决的问题，比较好的办法是利用扩频技术来减少EMI信号的功率成分。
Fast Direct spread spectrum signal acquisition using block processing technique has been only used in software receivers because of the huge computation.
块处理方法实现扩频信号的捕获因其运算量巨大到目前为止多用于软件接收机中。
The design of bit decision algorithm is a key technique for the DS spread spectrum sequence to be received correctly.
码元判决算法的设计是扩频序列能被正确接收的关键技术之一。
This paper focuses on the audio watermarking for copyright protection which embeds the binary image data into the time domain of the audio signal based on the spread-spectrum technique.
本文只讨论用于版权保护的，利用扩频技术在时域嵌入二进制图像数据的音频水印技术。
The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station.
伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
The article adopts the prevalent technique of Spread Spectrum, and designs a kind of Power Line Modem based on the SS chip SC1128.
本文采用了流行的扩频技术、根据扩频芯片sc 1128设计了电力线调制解调器，在硬件系统的基础上，我们设计了一套切实可行的软件方案。
Spread spectrum communication is an accepted technique and has many special advantages. The chaos theory has been the focus of scientific research.
扩展频谱通信到目前为止已经成为比较成熟的一门技术，在个人通信方面，它具有独特的优点。
Direct sequence spread spectrum technique is the most widely used one and the kernel of the spreading spectrum techniques for people to study.
直接序列扩频技术是应用最广的一种扩频技术，研究它便于掌握扩频技术的精髓。
The advantage, method and current state of using spread spectrum technique in power line communication are discussed.
对数字水印技术原理作了一般概述，重点讨论了扩频技术应用到数字水印技术中的方法和优点。
Introduce the technique of SOPC with softcore processor NIOS II. Analyze the traditional design and the SOPC design in a Direction-Sequence Spread-Spectrum Receiver and Transmitter system.
介绍了基于NIOSII软核处理器的SOPC技术，分析了传统方法和基于SOPC技术的方法实现扩频收发机的优劣，详细说明了嵌有双nios II的SOPC技术的方案设计。
Introduce the technique of SOPC with softcore processor NIOS II. Analyze the traditional design and the SOPC design in a Direction-Sequence Spread-Spectrum Receiver and Transmitter system.
介绍了基于NIOSII软核处理器的SOPC技术，分析了传统方法和基于SOPC技术的方法实现扩频收发机的优劣，详细说明了嵌有双nios II的SOPC技术的方案设计。
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