1.
Frequency-hopping spread spectrum (FHSS) was developed by the military for secure communications.
跳频扩频（FHSS）是由军方为保密通信开发的。
2.
Research and Implementation of Digital Intermediate Frequency Spread Spectrum Transceiver Using FPGA;
基于FPGA的数字中频扩频收发机的研究与实现
3.
Study on Spreading Sequence Design for Spread-Spectrum Communication Systems;
扩频通信系统中扩频序列设计的研究
4.
Study of Chaotic Sequence in DS-SS Communication System;
直接扩频系统中混沌扩频序列的研究
5.
Telemetry Performance Analysis of DS/FH Hybrid Spread Spectrum Signal
直扩/跳频混合扩频信号测量性能分析
6.
extension of ultra high frequency coverage
扩大超高频率播送范围
7.
Application of Spreading Code Protocols for Centralized Spread spectrum Packet Radio Networks
扩频码协议在集中式扩频无线分组网中的应用
8.
GENERATING CHAOTIC SPREAD SPECTRUM SEQUENCES AND ITS APPLICATIONS IN SPREAD SPECTRUM COMMUNICATION;
产生混沌扩频序列及其在扩频通信中的应用
9.
The Selection and Generation of Spread Spectrum Codes in CDMA;
码分多址扩频系统中扩频码的选择与产生
10.
The Properties of DS/FH Spread Spectrum Communication System in Anti-Interference Capability
对直扩/跳频混合扩频系统抗干扰能力的研究
11.
FPGA implementation of the despreading module in direct-sequence spread-spectrum system
直接序列扩频系统解扩模块FPGA实现
12.
Analysis of Anti-jamming Ability of DS/FH Systems
跳频/扩频电子系统抗干扰性能分析
13.
DCT-based Audio Digital Spreading Spectrum Watermark Technology;
一种基于DCT的扩频音频数字水印技术
14.
Design of Spead-Spectrum Code and Carrier Frequency Modulation Circuit Simulation in the Spread Spectrum Communication System;
扩频通信系统中扩频码的产生和载频调制电路仿真
15.
diffuse-field response of microphone
传声器扩散声场频率响应；传声器扩散场响应
16.
Application Research of Wavelet Transform in Spread Spectrum Code Acquisition of DS/SS;
小波变换在直扩系统扩频码捕获中的应用研究
17.
Chaotic M-ary direct sequence spread spectrum signals blind despreading
混沌多进制直接序列扩频信号的盲解扩
18.
Study of Carrier Recovery and Spread Spectrum Transceiver Adopting DSSS and HFSS Technologies;
采用直扩（DSSS）和跳频（FHSS）技术的扩频收发信机及载波恢复研究