1.
These are the non-fundamental frequency components of a distorted 50 Hz waveform. They have frequencies which are integral multiples of the 50 Hz fundamental frequency.
在畸变的50Hz波形中存在非基频的分量。这些频率是50Hz基波频率的整数倍。
2.
chrominance subcarrier reference
色度副载波基准频率
3.
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
4.
modulator carrier
调制器载(波)频(率)
5.
Study and Implementation about Carrier Wave Frequency Quisition of Spread Spectrum Signal Based on FFT;
基于FFT的扩频信号载波频率捕获研究与实现
6.
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
7.
Design of a Microwave Frequency-Hopping Synthesizer Based on Phase Noise Analysis
基于相位噪声分析的微波跳频频率合成器设计
8.
Regional Frequency Analysis of Significant Wave Heights Based on L-moments;
基于线性矩的特征波高区域频率分析
9.
Low Bit-rate Video Coding Algorithms Based on Wavelet Transform;
基于小波变换的低码率视频压缩技术
10.
A Research of System for Low Bit Rate Video Based on Wavelet Transform;
基于小波变换的低速率视频系统研究
11.
The Design of Microwave Frequency Counter Based on VXIbus
基于VXI总线的微波频率计数器设计
12.
Study on Sine Wave Frequency Estimation Method Based on DTFT
基于DTFT的正弦波频率估计方法研究
13.
Instantaneous frequency identification of a structure based on complex wavelet transform
基于复小波变换的结构瞬时频率识别
14.
An improved algorithm of multi-carrier frequency estimation based on SPWD
基于SPWD多载波频率估计算法的改进
15.
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
16.
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
17.
Frequency Detection of Crosstalk Signal Based on Wavelet Transform
基于小波变换的串扰信号频率的检测
18.
A Method of Instantaneous Frequency Domain Filtering Based on HHT
基于希尔伯特谱的瞬时频率滤波方法