查询词典 frequency modulation

It's possible to complete the absolute distance measurement by using linear frequency modulation of semiconductor laser.

高精度的绝对大长度测量问题在工业生产中是一个急需解决的问题。

An improved PID control strategy is used and the method of mixed frequency modulation is put forward.

采用改进的PID控制策略，提出了混合频率调制法，设计了相应的控制电路。

Therefore, the tuner is essential to the frequency modulation radio.

所以调频收音机中的频率调谐器是至关重要的。

This paper mainly discusses the design problems of broadband frequency modulation circuits based on PLL.

本文主要讨论了基于锁相环的宽带调频电路的设计问题。

The technique of the Linear Frequency Modulation is proposed to solve the problems of the inter-symbol interference in this paper.

摘要该文提出用线性调频信号调制的方法解决码间串扰的问题。

Most common form of frequency modulation in which two possible states are transmitted as two separate frequencies.

最常用的一种频率调制方式，其中两个可能的状态(1和0)是作为两个离散的频率来传输的。

This thesis introduces the design and therealization of numerical frequency modulation high fidelity radio.

本文介绍了数字调频立体声收音机的设计与实现。

Finally, simulation experiments on intrapulse frequency modulation signals verify the correctness and efficiency of the proposed method.

仿真实验结果证明了方法的正确性和有效性。

High frequency modulation and phasic demodulation technologies are also used to improve the resolution in dynamic measurement.

采用对光强进行高频调制和相位解调的方式提高了系统的动态测量精度和稳定性。

This thesis firstly introduce the function, performance index and operation principle of the wireless interphone of frequency modulation .

首先介绍了调频无线对讲机的功能、性能指标和工作原理。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。