查询词典 supply frequency

The work principle of differential transformer was introduced in the paper, and the influence of power supply frequency on output characteristic of differential transformer was analyzed in theory calculating the equivalent circuit under the ideal state, and the experiment was done.

引言差动变压器式传感器是根据变压器的基本原理，把被测的非电量变化转换为线圈互感变化的传感器。在非电量测量中，应用最多的是三节式螺线管差动变压器。

On the basis of the studies above.the minimum power supply frequency favorable to uniform glow discharge was formulated.

在此基础上，根据大气压下有利于均匀辉光放电的放电条件，最终推算出有利于均匀辉光放电的最小电源频率。

Experiment results showed that the relation between exciting voltage and induced velocity magnitude was linear, but the influence of supply frequency was not evident.

实验结果表明，等离子体激励作用主要集中在近壁面附近；激励电压与诱导速度近似为线性关系，激励频率对诱导速度的影响不大。

In this process, the supply frequency of the motor is not changed; it is always identical to the relevant mains frequency.

在此过程中，电机的供应频率是不变的。它总是与相关的主频率相同。

In recent years, companies step up the development of the fast lane: the completion of the production run has been an annual output of 150,000 tons of pig iron smelting companies; under construction, the modernization of 30,000 tons annual output of castings and machining parts auto parts company has advanced Vertical shot molding pressure, the level of sub-type microseism compaction modeling line, self-hardening resin sand molding line, dual power supply frequency melting furnace, sand automated treatment systems, as well as CNC machining centers and machining equipment production lines production equipment, with direct-reading spectrometer, casthouse Express analyzer, Coordinate measuring instrument, ultrasonic flaw detector such as the modernization of non-destructive testing equipment and a full range of conventional detection equipment; at the same time the company has a skilled use of CAD / CMD technology design, manufacturing, machining workforce and more than ten years such as day, love and respect their jobs, and accumulated rich experience in foundry staff.

近年来，公司步上了发展的快车道：建成了已投产运行的年产15万吨生铁的冶炼公司；正在建设的现代化的年产30000吨铸件和机加工件的汽车零部件公司拥有先进的垂直分型射压造型线、水平分型微震压实造型线、自硬树脂砂造型线、双供电中频熔化炉、自动化的砂处理系统以及加工中心和数控设备组成的机加工生产线等生产设备，拥有直读式光谱仪、炉前快速分析仪、三坐标测量仪、超声波无损探伤仪等现代化的检测设备和齐全的常规检测设备；同时公司拥有一支熟练运用CAD/CMD技术进行设计、制造、机械加工的员工队伍和十几年如一日、爱岗敬业、积累了丰富经验的铸造员工队伍。

It is clear that the maximum principal component is mainly made up of the supply frequency component. The subspace II is spanned by the other eigenvectors related to the rest components.

子空间I由信号中的最大主分量和噪声所对应的特征向量张成，子空间II由其他分量的特征向量张成。

By projecting signals with different frequencies into the subspace I, the signal with the supply frequency has the maximum value. Consequently, in the spectrum of the reciprocal of the projecting value, the supply frequency component is cut off and the fault feature component emerges in the spectrum.

把不同频率的信号投影到子空间I，基频信号在该空间的投影将远大于其他的频率分量，因此在投影的倒数谱中，基频分量被抑制，凸显出了故障频率分量。

The adaptor is a must for numerous computer peripherals. As an important computer exporter worldwide, the dc power supply industry is bloomy in Taiwan. In today's dc power supply market, the switch power supply has replaced the linear adaptor as main stream in the industry globally for its compact size. However, SPS has a serious problem of high frequency electromagnetic interference and causes harmonic feedback for the AC power source compared with linear adaptor. The energy consumption is also worse for SPS than linear adaptor.

摘要整流器是许多电脑周边设备不可或缺的电能，而台湾又是电脑及周边产品出口大宗国，因此电源供应器产业澎勃发展是必然的，其中轻薄短小及输出稳定之交换式电源供应器(Switch Power Supply：SPS)，已取代传统线性整流器的地位，成为外销主力并取得世界龙头地位，然SPS有严重的高频电磁干扰问题(150KHz~300MHz)，在交流电源侧产生的谐波含量，也较线性整流器来得严重，为一耗能产品。

An optimization model of electricity and heat efficiency about intermediate frequency coreless induction furnace in the nonmagnetic process is established by using some restriction parameters such as power supply frequency and the diameter of steel stab,and its optimization design is done based on particle swarm optimization algorithms.

以电源频率和坯料直径为约束参数，建立了无芯中频感应电炉无磁性期电热效率优化模型，采用粒子群优化算法对其进行了优化。

However, because of the natural characteristics of the micro and small hole EDM, such as weak discharge energy, high pulse power supply frequency, unstable spark discharge states and small discharge gap, etc., there are still some key technical difficulties in its machining process need to be solved: the difficulties in real-time discharge states detection, in accurate control of machining process, in prediction of discharge states, in improvement of machining system precision and in on-line preparation of micro electrode, etc.

但是由于微细及小孔电火花加工自身具有的放电能量极微、脉冲电源频率高、难以获得稳定的火花放电状态以及放电间隙极小等固有特性，决定了其加工过程仍然存在放电状态实时检测方法单一、加工过程难于准确控制、放电状态难于预测、加工系统精度提高困难和微小电极在线制备困难等关键性技术难点，亟待突破和解决。

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％。