modulation frequency的例句大全

In order to resolve source shortage of television tower, adopting frequency modulation and television multi-channel with total tower.

为了解决发射塔资源短缺问题，可采用调频和电视多频道共塔技术。

This paper presents the scheme to detect the resonance point using two frequency serrodyne modulation, and uses the Lorentzian function to describe the expression of the output power at the exit port of the fiber ring resonator taking the temporal coherence of the laser into account.

采用两种频率的锯齿波组合调制，考虑激光器有限光谱线宽条件下，采用洛仑兹线型描写光纤环形谐振腔的输出光强表达式。

Heating pipe type air preheater was used in the heating furnace and the frequency modulation technique was employed in the induced draft fan and the air blower, which increased the heat furnace efficiency by 7.2%.

加热炉改用无机热管式空气预热器，引风机、鼓风机改用变频技术，使加热炉热效率提高7.2个百分点；

The theme mainly focused on the problem how to apply Orthogonal Frequency Division Multiplexing modulation technology to the low-frequency elastic wave through-the-earth communication system which takes the layered earth for transmission medium.

本课题研究的是把正交频分复用调制技术应用在以分层大地为传输媒介的低频弹性波透地通信系统中。

In this paper, the wireless data radio takes the GPS differential positioning as a starting point, takes the FSK modulation mode, can complete the wireless transmission of data in S frequency band with the time division duplex operation mode.

本文设计的无线数传电台以用于GPS差分定位为出发点，采用FSK的调制方式，能在S频段以时分双工的工作模式完成数据的无线传输。

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。