| 释义 |
frequency modulation 英'friːkwənsɪ ˌmɒdju'leɪʃn美'friːkwənsiː ˌmɑːdʒu'leɪʃn 短语⁴⁹⁴²⁹
基本英英近义反义例句例句
n.调频
广播
Noun:
modulation of the frequency of the radio carrier wave近义词 Fm化元素镄的符号…
用作名词The figure below illustrates a simplefrequency modulationarchitecture.下面的图表列举了一个简单的调频结构体系。
The FM system is used for changing the oscillating frequency of the magnetron.调频机构用来改变磁控管的振荡频率。 To study the method of designing nonlinear frequency modulation NLFM signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
依据相位逗留原理，采用动态优选法，给出了一种改进的非线性调频信号波形设计方法。 dictall
After a brief comparison of AM Amplitude Modulation, FM Frequency Modulation and PM Phase Modulation, this paper gives a de- tailed analysis of PSK Phase Shift Keying.
本文在简单对比了调幅、调频和调相方法之后，较详细地介绍了用于测井的相移键控系统。 cnki
An improved method for Non-Linear Frequency Modulation NLFM signal design is proposed based on window functions method.
在窗函数法的基础上提出一种改进的非线性调频信号方法。 dictall
FM Screening, short for Frequency Modulation Screening, is a pew technology in today's Graphic Arts, which can avoid moire effectively, increase productivity, and improve product quality.
调频加网技术是印刷行业的一项新技术，它能有效消除龟纹的影响，提高生产效率和印品质量。 cnki
FM launcher can change navigating audio signal into frequency modulation signal, and playing.
FM发射器可将导航音频信号转换为调频信号播放。 wendang365
In the first part, the emphasis is played on research of the radio noise system, amplitude modulation system and frequency modulation system.
在有源压制式干扰系统中，主要研究了射频噪声干扰、调幅噪声干扰以及调频噪声干扰系统。 cnki
Linear frequency modulation LFM signals are often used in sonars.
线性调频 LFM信号是声呐中一种常用信号。 cnki
Most bats produce a complicated sequence of calls, combining constant frequencies and frequency modulation components.
大多数蝙蝠通过混合恒定频率和变频组合．产生一个复杂的叫声序列。 iciba
Noise frequency modulation FM jamming, which belongs to blanket jamming, is already become the main form of noise jamming at present, because the wideband was gained by it.
噪声调频干扰属于压制式干扰，由于它容易达到宽的干扰带宽，已经成了目前噪声干扰的主要形式。 cnki
Taking the Narrow Band Frequency Modulation NBFM as an example, the process of communication question solution by EDA technology is given.
以非线性模拟调制中常见窄带调频为例，完整展现了借助 EDA技术分析解决通信问题的过程。 dictall
The figure below illustrates a simple frequency modulation architecture.
下面的图表列举了一个简单的调频结构体系。 iciba
The simulation of generating Linear Frequency Modulation LFM pulse- compression target signals for radar with FPGA is presented.
本课题主要研究利用 FPGA实现线性调频脉冲压缩雷达目标信号的模拟。 dictall
This paper describes the principle and realizing technique of measuring distance, for measuring distance fuze with the system of frequency modulation continuous wave FMCW.
论述了在主动调频连续波 FMCW体制测距引信中实现精确测距的原理及其实现技术。 cnki
This thesis introduces a series of low cost high precision Linear Frequency Modulation Continuous Wave LFMCW ranging radar.
本文介绍一种低成本、高精度线性调频连续波 LFMCW测距雷达。 cnki
Two kinds of typical wideband signal, Frequency Modulation FM signal and Frequency Spread signal, is analyzed qualitatively with Wideband Ambiguity Function.
以宽带模糊度函数为工具定性地分析了两类典型宽带信号，即调频信号和频率分集信号。 cnki
Visual noise, namely the graininess of FM frequency modulation screening print, is one of the key bottlenecks that restrict spread and application of FM screening technique.
调频网印品的视觉噪声即颗粒性感，是限制调频网工艺推广和应用的关键问题之一。 cnki |