基波频率的英文

发音:

英文翻译
造句

fundamental frequency

基 base; foundation
波 wave
频率 frequency; rate
台卡基波频率 fundamental frequency of decca
波频率 wave frequency
爆炸波频率 blasting frequency
表观波频率 apparent wave frequency
超声波频率 ultrasonic frequency
次谐波频率 subfrequency; subharmonic frequency
低波频率带 zone of low wave frequency
地震波频率 frequency of seismic wave
电波频率 wave frequency
短波频率 short frequency
发射波频率 apparent frequency; emitted frequency
分谐波频率 subfrequency
光波频率 frequency of light wave
横波频率 transversal wave frequency
回波频率 echo frequency; echofrequency
检波频率计 detector frequency meter
矩形波频率 square wave frequency
滤波频率 frequency filtering
内载波频率 intercarrier frequency
声波频率 frequency of sound wave
微波频率 microwave frequencies; microwave frequency
微波频率计 microwave frequency counter

"查查词典"手机版

千万人都在用的超大词汇词典翻译APP

例句与用法

Because the fundamental frequency of power system is not invariable , it needs to be tracked and measured
由于电网的基波频率并非始终不变的，因此需要对实际的电网频率进行跟踪检测。
This problem could be resolved by using sub - harmonic mixer ( shm ) . instead of using mmw lo , shm using microwave signal with frequency equals 1 / 2 or 1 / 4 of mmw lo frequency , thus the technical difficulty and cost of mmw system is reduced remarkably
采用亚谐波混频器( sub - harmonicmixer )可将本振频率降为基波频率的1 / 2或1 / 4 ,从而克服了直接采用毫米波本振源带来的困难,降低了射频接收机的技术难度和系统成本。
A new harmonic analysis method for electric power systems based on triangle basis functions neural network was presented , the convergence theorem of the algorithm was proposed , and a window function and interpolation algorithm were employed to correct the frequency of fundamental waves
摘要提出了一种新的基于三角基函数神经网络的电力系统谐波测量方法，给出了该神经网络算法的收敛定理，并采用加窗插值算法修正基波频率的准确度。
According to the characters of the power harmonic , a kind of self - adaptive harmonic detection method based on in - phase correlation filtering is presented , which is clear and concise in thinking . by this method the low - pass filter can be designed easily , and by using the multiresolution and self - adaptive technique the difficulties of harmonic detection with low variable fundamental frequency and no voltage reference are worked out , which contributes much to the implementation of harmonic suppression
该方法思路清晰、简洁，并能方便有源滤波器( apf )中低通滤波器设计，同时采用多分辨率和自适应滤波方法，解决了基波频率低且变化、无明显电压基准可寻的复杂供电系统谐波检测的难题，为谐波抑制的实施奠定了基础。
A patch antenna with etched holes on the ground plane is also studied . the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment . the results show that the surface waves are suppressed greatly , the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蚀周期圆孔结构的电磁晶体贴片天线在基波频率处的性能，用fdtd方法并结合pml边界处理技术对该天线所取得的研究结果显示，本文设计的地面腐蚀型电磁晶体结构抑制了贴片天线中的表面波，增加了天线的带宽，并有效地削弱了旁瓣，使天线的e面方向图上110和260方向的两个旁瓣被削弱了10db 。