低频

In this paper low-frequency vibration problems of rotating machinery are investigated.

应用时频分析方法研究了回转机械低频振动问题。

Completed the hardware and software design of the low-frequency data sample and processing system, and achieved the expected target and requirement.

完成了对低频信号采集和处理的软硬件设计，达到了预期的指标和要求。

Application of battery energy storage devices in suppressing low-frequency oscillation of power system.

电池储能装置在抑制电力系统低频振荡中的应用。

The vertical distribution of the low-frequency coastal flow is related to disturbing factors.

低频流的垂直分布和扰动因子有关。

Our factory is specialized in producing low-frequency transformer plant, the main products: ring transformer, EI transformer.

我厂是专业生产低频变压器的工厂，主要产品：环形变压器、EI变压器。

In previous research papers, the research on volatility persistence and volatility copersistence is based on low-frequency data.

目前文献中对金融波动持续性和协同持续性的研究都是以低频金融数据为研究对象的。

Compared to Fourier algorithm,this algorithm can accurately calculate the magnitude of low-frequency fault components.

与常用的付氏算法比较，该算法能够准确地计算出低频分量的大小。

The eye is less sensitive to high-frequency information than low-frequency information.

人眼对高频信息的敏感性要低于对低频信息。

Chess set with the design and manufacturing, product design, production and sales as one of the professional low-frequency electronic connector manufacturer!

集棋具设计制造，产品设计，生产，销售为一体的专业低频电子连接器制造厂商！

The low-frequency signals on the different sources of signal design, not only in theory and practice can meet the requirements of the experiment, and has a strong feasibility.

本次关于产生不同低频信号的信号源的设计方案，不仅在理论和实践上都能满足实验的要求，而且具有很强的可行性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。