two-frequency system的意思|示意

The serious events of 1150 blooming mill main drive system driven by two AC-AC frequency conversion motors in recent year has been paid close attention to.

近年来，我国两台引进的交交变频电动机驱动的1150初轧机主传动系统出现的恶性事故引起了人们的关注。

The current measurement and control system in a Low-frequency Magnetic Field is a comprehensive system of hardware and software, including two parts: current measurement and computer control.

低频电磁场电流测控系统包括电流测试和输出控制两个部分，由软件和硬件相互配合组成一个完整的计算机控制系统。

This heavier material utilizes "Dissimilar Layer Insulating" technology that solves two of the most difficult automotive problems - exhaust system heat and low frequency noise.

这些材料利用“不同绝缘层”的技术解决了汽车最受困扰的两个问题，排气系统的隔热和低频的噪音。

Wharfedale's MX Series passive subwoofers are ideal for adding massive low end to the MX Series two-way loudspeakers - or any existing sound system in need of extended low frequency response.

乐富豪的MX系列无源低音炮非常适合加入大量低端的MX系列双向扬声器-或任何现有的扩展低频响应需要健全的制度。

We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.

对于因雷达系统本身原因而产生的一些非周期不规则条纹噪声进行讨论，针对此类噪声提出一种二维频域区域滤波的算法。

Two novel fibre devices, fibre optic frequency shifter and fibre optic polarization controller, are employed in this system. The principle and design method for the two key devices are described.

在该系统中采用了自行研制设计的实现全光纤化的两个关键光纤元件：普通单模光纤频率偏移器和普通单模光纤偏振控制器，介绍了此两光纤元件的基本工作原理和设计方法。