dfh

The DFH radio basically based on the DSP platform , so it is an important breakthrough in frequency hopping system digitalization .

另外，差分跳频系统平台全面基于DSP数字系统，是短波跳频数字化的一个重要突破。

A DFH System Multiple Access Interference Cancellation Technology

一种差分跳频系统多址干扰消除技术研究

Frequency transition function of DFH system based on cloud model

一种基于云模型的短波差分跳频频率转移函数

Frequency estimation is one of the key techniques in DFH communication system .

跳变频率检测是实现DFH的关键技术之一。

Transition function design for DFH system based on chaotic maps

基于混沌映射的相关跳频系统转移函数构造

DFH G Function Algorithm Based on Additivity Fuzzy System Principle

基于可加性模糊系统原理的差分跳频G函数算法

A High Resolution Frequency Estimation Algorithm for DFH Signal

高分辨率差分跳频信号频率检测

Security Analysis of DFH Communication System

相关跳频通信系统安全性分析

Simulation of G Function for Underwater Acoustic DFH Communication System Based on Chaotic Sequence

基于混沌序列的水声差分跳频G函数仿真

Study of DFH Frequency Transition Function Based on the Principle of Affine Cipher

基于仿射密码原理的差分跳频频率转移函数研究

A Kind of Shortwave Frequency Hopping Code Based on DFH Transform Function

一种基于差分跳频转移函数的短波跳频码

TCM-Based Design Method of G Function for DFH System

基于TCM的差分跳频G函数设计方法

Production and Control of Cable Resin DFH - 2076

电缆专用料DFH-2076的生产及控制

Maximum - likelihood - sequence - detection in DFH with its characteristics

差分跳频最大似然序列检测及其性能分析

An Algorithm to Generate Wide Gap DFH Code Sequence

一种宽间隔差分跳频序列的生成方法

DFH 3 locomotive cab vibration test analysis and reduction

东方红〈3〉型机车司机室振动问题的测试分析及对策

Introduced in this paper are the main performance parameters and structural features of DFH 300 Tractor .

介绍了东方红300轮式拖拉机的主要性能参数和结构特点。

The design of the G function ( GF ) is the core of the DFH system .

频率转移函数（又称G函数）的设计是差分跳频通信系统设计的核心。

Research about DFH Network Based on FH / DFH

基于FH/DFH的差分跳频组网研究

Development of LLDPE speciality resin DFH 2076 for communication cable sheathing

LLDPE通讯电缆护套料DFH2076的开发

Assessment and Analysis of Substance Released at Room Temperature and Decomposed at High Temperature from DFH Damping Material

DFH型阻尼材料常温释放物及高温热解物分析与评价

Finit element analysis on the split front beam in tractor dfh & 802

东方红&802拖拉机开口前梁的有限元分析

The differential frequency-hopping ( DFH ) system is a novel approach for reliable high rate HF data transmission .

国外近年来新推出的短波差分跳频通信系统为实现高速可靠的短波数据传输提供了一种新的解决办法。

HF DFH Hop-Detecting Method Based on STFT and G Function

基于STFT与G函数相结合的短波DFH跳检测方法

Based on the encryption principle of affine cipher , a frequency transition function of DFH is designed .

基于仿射密码的加密原理，构造了一种差分跳频的频转移函数。

Reason analysis and improvement measures of oil leakage of high pressure cylinders of air compressors of DFH 21 locomotives

东风红〈21〉型机车空压机高压缸漏油故障原因分析及改进措施

This paper presents an existence detection method for the Differential Frequency Hopping ( DFH ) signals by using wavelet decomposition .

提出一种利用小波奇异性检测实现差分跳频信号存在性检测的方法。

Differential frequency hopping ( DFH ) is a kind of new frequency hopping ( FH ) technique .

差分跳频是一种新型的跳频通信技术。

Existence detection of DFH signals

差分跳频信号的存在性检测

With these two detection methods , the synchronous multi-user performances of DFH system are analyzed over Rayleigh-fading channels .

仿真结果证实了差分跳频通信技术和按序列检测方法的结合，使系统的多用户性能得到了一定程度的提升。