1.
Frequency assignment algorithm for HF communication based on chirp-sounding technology
一种基于Chirp探测的短波频率分配算法
2.
Design of Frequency Synthesizer for Shortwave Band Frequency Hopping Based on DSP
基于DSP的短波跳频频率合成器的设计
3.
Chirp up the chirp is played from start frequency to the end frequency.
短促声波开始短促声波从起动频率对结束频率播放。
4.
Research on the Technology of Frequency Management of 3G HF Communication Network;
第三代短波通信网频率管理技术研究
5.
Design of HF Spread Spectrum Communication System Based on Moderate-Low Speed
基于中低速率短波扩频通信系统设计
6.
Effects of Frequency Relative Timedelay on HF High Speed FH System
频率相对时延对短波高速跳频系统的影响
7.
Research on the Synchronization Acquisition Technique for Shortwave Frequency-Hopping Communication Using Frequency Estimation;
基于频率估计的短波跳频同步捕获技术的研究
8.
Design of Frequency Synthesizer in HF High Speed for Differential Frequency Hopping Transmitter-receiver;
短波差分高速跳频电台频率合成器设计
9.
Realization of a AGC in Short-wave Communication
一种短波数字收信机的频率合成器的实现方法
10.
Mutation Failure Analysis for PDM Pulse Frequency Compensation of DF100A Shortwave Transmitter
DF100A短波发射机PDM补偿脉冲频率突变故障分析
11.
Research and Design of Differential Frequency Hopping HF Synthesizer Based on DDS;
基于DDS的短波差分跳频频率合成器的研究与设计
12.
Shortwave Communication Frequency Prediction Based on Fuzzy Wavelet Neural Network
基于模糊小波神经网络的短波通信频率预测方法研究
13.
modulator carrier
调制器载(波)频(率)
14.
mixer-filter frequency synthesizer
混频滤波式频率合成器
15.
Voice Activity Detection Using Wavelets Multiresolution Spectrum and Short-time Adaptive Audio Mixing Algorithm
小波变分辨率频谱特征静音检测和短时自适应混音算法
16.
Wave speed equals frequency times wavelength.
波速等于频率乘以波长。
17.
Frequency spectrum element, carrier frequency. Frequency type can be specified.
频谱元件，载波频率。可指定频率类型。
18.
modulation frequency-carrier ratio
调制频率－载波比率