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- 50 Hz syntony 工频谐振
- Performances on electric motor sets are based on a 50 hz supply. 电动机组必须用50赫兹电源。
- An Improved Levkov Method for Filtering 50 Hz Interference in ECG Signals. 一种抑制心电信号50Hz工频干扰的改进Levkov方法
- In the presence of light coming from fluorescent lamps operating from 50 Hz supplies the stroboscopic effects cause a wrong perception of the movement. 由于来自于工作在50赫兹供电下的荧光灯的光线的存在,频闪观测效应导致对运动的错误观测。
- Want to buy in Europe POWER PLANT 25 MW : Diesel ,Natural gas or HFO Frequency : 50 HZ ... 查看“机械及工业制品-锅炉及动力设备-发电机”:公司信息商品信息供应信息
- The frequency for electric power in the Americas is generally 60 Hz rather than 50 Hz. 美洲的电源频率一般是60赫兹,不是50赫兹。
- All the room's power source is220 v(50 HZ); Both220 V and110 V outlets are installed in toiets for hair dryer or electric razors. 所有房间的电源为220伏(0赫)卫生间另设有220伏和110伏(0赫)种电源插口,供客人电吹风和电胡须刨用。
- The results show that the proposed control scheme can stabilize the output 50 Hz sine wave well,is a costeffective wave for UPS invert control system. 仿真实验结果表明:采用此控制方案在额定负载范围内输出特性良好,能获得稳定的50Hz正弦电压,是一种高性能、低成本的控制系统。
- The separator adopts power supply of 380 V / 50 Hz, with a power input of 70 kW. Its maximum handling capacity is 200 m3/h. 浮力撇油装置的输入电源为三相 380V/5 0Hz ,输入功率 70kW ,最大处理量 2 0 0m3/h。
- The test set may be powered from a mains or aircraft supply in the range 100 / 240 V, 50 Hz - 400 Hz or alternatively 20 - 30 V DC. 测试仪的电源可以是干线电源,或者飞机上的电源,电压范围为100-240伏,50-400赫兹,或者可选用20-30伏DC电源。
- It applies a negative bias to the summing junction of voltage regulator Op Amp Z1 to cutback the generator voltage when frequency drops below 50 Hz. 它将一个负的偏置信号输向电压调节器中的运算放大器Z1的总和节点,当频率低于50赫兹时,它能降低发电机电压。
- Power cable falls into V,X,JK series which suit for power transmisson and distribution lines with AC 50 HZ 35KV or less. 电力电缆类产品中有V、X、JK、三大系列产品;适用于交流50HZ、额定电压35KV及以下输配电线路.
- These are the non-fundamental frequency components of a distorted 50 Hz waveform. They have frequencies which are integral multiples of the 50 Hz fundamental frequency. 在畸变的50hz波形中存在非基频的分量。这些频率是50hz基波频率的整数倍。
- A novel optical current sensor to detect 50 Hz high alternating current is designed based on fiber and MEMS. The principle and design of the sensor is explained. 将光纤与微电子机械系统(MEMS)技术相结合,设计了一种新颖的检测50Hz高压交流电的光学电流传感器(OCS)。
- To achieve FFTS in tradition, the transmission system terminal should have Frequency Multiplication Transformer (FMT) to convert low frequency power to 50 HZ power. 为实现分频输电,按传统的设计,输电系统终端必须有铁磁型倍频变压器,把低频发电机发出的电能转换为工频电能。
- Then, a practical 50 Hz band pass filter is proposed, which is modulated with one cycle Bartlett window and in performances better than the classical filters adopting one cyclic Fourier algorithm. 提出了一种具有实用价值的由一周波三角窗调制实现的50Hz带通滤波器。
- A bandreject filter adopting this transconductor has 33 Hz bandreject bandwidth and-39.6 dB attenuation at its 50 Hz central frequency and can be used for eliminating 50 Hz interfering signal. 用该跨导器组成的gm-C带阻滤波器工作在50Hz的中心频率时;陷波带宽33Hz;陷波深度-39.;6dB;可应用于滤除信号中的50Hz市电干扰
- The Elimination of 50 Hz Noise from ECG Signals 心电信号中50Hz干扰的消除
- Last summer was the wettest on record for 50 years. 刚过去的这个夏季是50年来记录中雨水最多的。
- A prize of 50 is not to be sneezed at. 50英镑的奖金可不是个小数。