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frequency modulation

Definitie

changing a wave's frequency to send information ... See more

Vertaling van "frequency modulation" in Chinees

Definitie NEW

调频

频率调制

频率调节

Using assistive technology, such as frequency modulation systems and sound amplification

采用调频系统和扩音器等辅助技术；

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

Popular analog modulation techniques include amplitude modulation and frequency modulation.

常用的模拟调制技术包括振幅調變和频率调制 两种。

Supports amplitude modulation as well as frequency modulation.

支持振幅调制以及频率调制。

Selects the signal form, for instance, sine, that is displayed in the frequency modulation graph.

选择在频率调制图像中显示的信号形式（例如，正弦）。

The static characteristic, step method, speed dead zone, general dynamic process, no-load swing test, no-load disturbance test, measurement time, load rejection test and primary frequency modulation test were carried out

实验项目常规法静特性、阶跃法测转速死区、一般动态过程、空载摆动试验、空载扰动试验、测量不动时间、甩负荷试验、一次调频试验

A form of frequency modulation in which the carrier frequency is shifted between a mark frequency and a space frequency in response to the impressed intelligence signal (frequency-shift keying).

频率调制的一种方式，其中载波频率在标志频率和场频率之间移动，以响应外加的情报（数据）信号。

As an example, the detection problem of noise frequency modulation jamming signal was analyzed, two accumulation detection methods, direct accumulation detection and binary accumulation deteceion, were proposed, and the detection probability of the two methods was calculated.

摘要以噪声调频干扰为例，对干扰信号的检测问题进行了分析，提出直接积累检测和二进制积累的检测方法，并计算了两种方法的检测概率。

First proposed the concept of wireless calling device in the field of wireless call, the first launch of the mobile reception series products, launched the first call supervision and management system, launched the first wireless for supermarkets, hospitals and factories and other industries call management system, take the lead in using frequency modulation technique, a voltage stabilizing circuit technology, difference frequency forwarding technology at present, already has a dozen patents for utility model and appearance, in technological innovation and product innovation has been in the leading position in the industry.

在无线呼叫领域率先提出了无线呼叫器的概念，最早推出了移动接收系列产品，最早推出呼叫监督管理系统，最早推出针对超市、医院和工厂等行业的专用无线呼叫管理系统，率先采用了调频技术，稳压电路技术，差频转发技术等，目前已经拥有十几项实用新型和外观专利，在技术创新和产品创新方面一直处于行业领先地位。

The system also allows visitors to visualize their prosody, i.e. the way they pronounce words: rhythm, pace, emphasis, frequency modulation, etc.

这个声像系统还可以让参观者看到自己说话时的节奏、速度、语气及调频等方式。发声系统的器官拼图

Product use:coupling, decoupling by passing and timing circuit, automatic control system, communication equipment, charging/discharging lighting, noise suppression and frequency modulation.

产品用途：耦合、离合、旁路及定时回路；自动控制系统及通讯设备；充放电、照明、噪音抑制及频率调制。

During that period, these stations broadcast, on a daily basis, between 312 and 319 hours on medium-wave, short-wave and frequency modulation bands.

在这段期间，这些无线电台和电视台每天利用中波、短波和调频频带广播312至319小时。

Haixiang electronic professional wireless call alarm system construction, using the frequency modulation technology, signal is stable, can realize the school dormitory wireless emergency call alarm.

多嘴猫无线呼叫报警系统，采用调频技术，信号稳定，可实现医院及周边信号全覆盖。