under frequency发音

意思翻译

频率过低

相似词语短语

frequency───n.频率；频繁

frequency generator───[计]频率发生器

frequency range───频带; 频段；[电子][通信]频率范围

cumulative frequency───[统计]累积频率，[电子]累积频数

frequency equation───频率方程

frequency polygon───[统计]频数多边形

frequency modulation───调频

cutoff frequency───截止频率

capsaicin frequency───辣椒素频率

双语使用场景

According to the requirements of synchronous speed control of series conveying belt, several patterns which could realize the synchronous speed control under frequency conversion was analyzed.───针对多级胶带输送机同步运行要求，分析了胶带机变频拖动同步运行实现的几种模式。

During the design of under frequency load shedding (UFLS) schemes, some simple models for frequency dynamics analysis are obviously inadequate since they do not take system voltage into account.───系统低频减载方案设计时，简单的频率响应模型由于未考虑系统电压对频率过程的影响而导致不少情况下无法适用。

This paper has analyzed the performance of PPM and PAM under frequency dependence channel model, the results have shown that the PAM is better than the PPM in frequency dependence channel.───文章分析此类信道模型下脉冲位置调制和脉冲幅度调制的性能，结果表明，在频率依赖性信道中PAM调制优于PPM调制。

For exerting the functions of the automatic under-frequency load-shedding device, setting for the device should be calculated correctly.───为有效发挥自动低频减负荷装置的重要作用，应正确进行装置定值的整定。

The paper analysed and summarized the research status of the under frequency load shedding, pointed out the crucial issues.───本文分析综述了电力系统低频减载的研究现状，指出低频减载研究的关键问题。

A novel under-frequency load-shedding implementation scheme considering load frequency-rigidity characteristics───考虑负荷频率刚性特征的一种新型低频减载实现方案

Design of a New Type of Microprocessor-based Automatic Under-frequency Load-shedding Device───新型微机自动低频减载装置的设计

State feedback control of linear systems under frequency response characteristics constraints───线性系统频响特征指标集下的状态反馈控制

Research on effects of relaying protection and under frequency and under voltage load shedding in probabilistic stability───概率稳定中继电保护和低频低压减载影响的研究

英语使用场景

According to the requirements of synchronous speed control of series conveying belt, several patterns which could realize the synchronous speed control under frequency conversion was analyzed.