An effective method is presented in this paper to deal with the difficulties of carrier tracking and chip synchronization in spread spectrum communications with high processing gain.

The performances and the methods of applications of the Intersil s application-specific spread spectrum circuit (HFA3824A), and its applications and realization in spread spectrum communications are described, some experi mental results are presented.

The error rate model is one of the key indexes of underwater acoustic spread spectrum communications system.

Study on communication frequency and routing protocol in underground multimedia sensor network;

Based on the introduction of factor foundation that geology environment influence communication frequency in the mine.

The performance analysis of spread spectrum technology applied to power communication system;

Watermarking based on spread spectrum technique;

Acousto-optic adaptive signal processing techniques for spread spectrum communication applications;

Application of communication in coal mine under ground and safety for spread spectrum communication;

Spread Spectrum Communication in Electric Power Line;

Analysis of power noises based on spread spectrum communication;

RF Communication—The Leader of Smart Home

This paper introduces the models in the simulation system design of RF communication in systematic countermeasure,the method of integrated modeling.

PLL Frequency Synthesizer have a broad application in RF communication systems, the lock time is an important parameter in the frequency synthesizer design.