片语

frequency stabilization variation频率变化

high-frequency instantaneous variation高频瞬变

power-frequency component variation工频变化量

high frequency climatic variation高频气候变化

frequency instantaneous variation高频瞬变

frequency stabilization variation method频率变化法

frequency y variation频率变动

frequency of variation变异频率

英汉例句

• therefore, the frequency variation due to a factor other than the adsorption of the object is cancelled.

  因此，由于探测对象物的吸附以外的原因引起的频率变化被抵消。

• the methods overcome the shortcoming that time constant is greater and filtering result is affected by frequency variation for a analogue positive sequence voltage filter.

  针对正序电压滤过器，采用计算机程序来实现，所提算法克服了硬件式正序电压滤过器时间常数大和滤过效果受频率变化影响等的不足。

• the conclusion in this paper has been proved by the field data measured from the oil transferring system with frequency variation speed-regulation in daqing no. 2 oil plant.

  并利用大庆采油二厂变频调速输油系统的实测现场数据，证实了本文的结论。

• the paper studied the issue of low frequency in shallow parts of cross-hole seismic reflection sections using imaging principle and deduced frequency variation factor.

  本文利用成像原理对井间地震反射剖面的浅部频率变低问题进行了研究，导出了频率变化因子。

• problems and transformation plans of speed control system by frequency variation in cooling of sintering conveyor belt were presented. perfection of computer control software was explained.

  介绍了烧结带冷原变频调速控制系统存在的问题及改造方案，对计算机控制软件的完善做了说明。

• the simulated extraction of weak frequency variation signal is carried out with the expressed resonant frequency2locking property when sys2tem transits from chaotic to great periodic motion.

  利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。

• the frequency variation caused by general load fluctuation is rather small.

  但是很小的频率变化可能使联络线潮流产生很大的变化。

• an adaptive notch filter with the capability of tracking frequency variation is applied to filter the signal and calculate its frequency.

  采用具有跟蹤频率变化能力的自适应陷波器，对信号进行滤波，以求其频率；

• the frequency variation of mean of noise disturbed signal magnitude follows the spectrum of the signal. (3).

  主要扰动为杂讯之受扰时脉其频谱强度之变异或标準差是频域稳态的。

• fully automatic frequency variation dc speed regulating coil, precision slitting production line control system;

  全自动变频调速、数控沖切生产线控制系统；

• based on t type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range.

  基于t型滤波器的调光方法，能够在很窄的工作频率范围内实现深度调光。

• the frequency variation of electrical power system would have effect the veracity of electric parameter evaluation, and possibility effect characteristic of automatic equipment.

  工频频率变化会影响电量计算的準确性，甚至会影响到电力自动化装置的工作性能。

• the simulated extraction of weak frequency variation signal is carried out with the expressed resonant frequency locking property when system transits from chaotic to great periodic motion.

  利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。

• then the characteristics of frequency variation during the fatigue crack propagation process are simulated by three- dimensional dynamic finite element analysis.

  并利用三维动态有限元模拟了点焊接头疲劳裂纹扩展过程中频率变化特性。

• for shanghai power grid, which has large short circuit capacity and short electrical distance, a method using imported instrument to test power frequency variation distance protection is presented.

  结合上海电网具有短路容量大、电气距离短的特点，提出了使用进口仪器测试工频变化量距离保护的具体方法。

• in the solution of high frequency variation of erp from vlbi observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.

  为此，在基于vlbi资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。

• based on t type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.

  基于t型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。

• the seismic gap, belt distribution and frequency variation before this event are discussed in this paper, serving as a useful means of monitoring future activities in the area.

  本文讨论了这次地震前的地震活动空区、条带分布和频度变化，这对监视该区今后的地震活动是为助益的；

• digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally.

  实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。

• pid control is used on the speed control by frequency variation and the temperature pressure control of the chain gate machine-rotary kiln of the system.

  本系统的回转窑直流调速、变频调速以及温度压力控制都采用了数字pid控制。

• fully automatic frequency variation leveller, servo nc length controller shearing plate production line control system;

  全自动变频矫直、伺服数控定尺剪切平板生产线控制系统；

• fully automatic frequency variation speed regulating nc die cutting production line control system;

  全自动变频调速、数控沖切生产线控制系统；