查询词典 frequency function

On the basis of analysis on the dynamic frequency after power vacancy,the reason of unideal function of traditional device are dissected: it is set by using assumed load and power vacancy.The changed range of real load power and real power vacancy lead to big error.

在对电力系统出现功率缺额后的动态频率特性进行分析的基础上，剖析了传统低频减载装置动作效果不理想的原因：用假定的负荷和假定的功率缺额整定，由于实际负荷功率和实际的功率缺额变化幅度很大，而造成很大的误差。

According to the low work frequency of capacitors researched here, aging function degree from thermal field is unobvious, while the stress would just accelerate the aging process.

由于所研究的电容器工作频率较低，热场的老化作用不明显，应力的作用可一定程度促进老化进程。

This machine uses the frequency conversion velometer, has the injection stride width adjustable function.

本机采用变频型调速器，链条步进距离和步进速度及针头注射速度同步可调。

Currently most domestic break-test-plateform adopt the liquid-pressure-servo technique, which possesses the advantages of higher frequency-response and higher controlling exactness, but in the same time , the disadvantages of higher cost, variation of function with the change of oil viscousness produced by the fluctuation of temperature.

目前，国内的制动器试验台大多采用的是液压伺服控制，这种控制具有响应频率高、控制精度高等优点，主要缺点是系统成本高、油液粘度随温度变化引起工作性能的变化、且液压系统对油液的污染比较敏感，必须要有良好的保护和过滤措施。

NaCl solution are the weak function of frequency, stress ratio and △K value.

文中对300M钢的CF裂纹萌生及其超载特性进行了研究。

AK-13A anti-slip layer not only improve stability,wearproof and permanent of pavement,extend usage life of pavement,but also improve anti-slip function of pavement,so that increase driving safety and comfort,greatly decrease the frequency of traffic accident,and bring about enormous economical and social benefit.

不仅增加了路面的稳定性、耐磨性、永久性，延长了路面的使用年限，而且提高了路面的平整度和抗滑能力，从而增加了行车安全性、舒适性，还大大减少事故的发生频率，其所带来的经济效益和社会效益难以估量。

These algorithms are more available than classical windowing method to eliminate the noise in frequency respond function.

小波理论在结构系统模态参数识别上的应用。

As in the first-order case , the second-order low-pass transfer function tends to zero as frequency tends to infinity .

当频率趋向到无限，和在优先处理的案件，第二级次的低通传递函数趋向到零。

Summarize:Measuring function: three-phase voltage、wire voltage、current、frequency、active power、reactive power、power factor、bi-directional active energy、bi-direction reactive energy parameters etc. The additory functional module can conveniently extend DI/DO、harmonic analyzing etc; RS485 communication port, Modbus-RTU agreement ; Wide LCD screen convenient for viewing.

测量功能：三相电压、线电压、电流、频率、有功功率、无功功率、功率因数、双向有功电度、双向无功电度等，增选功能模块可方便扩充DI/DO，及谐波分析等功能；RS485通信接口，Modbus-RTU协议；大屏幕LCD显示。

It is shown that radiation impedance is a function of the product of wave number and side length,the sound power is greater and the adnexed mass is smaller in the higher frequency than those in the lower one respectively.

结果表明，方形活塞的辐射阻抗是波数和活塞边长乘积的函数，系统在高频段向外辐射的声功率比低频段大，高频段同振质量比低频段小。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐