reverse frequency 中文意思是什麼
reverse frequency
解釋
倒頻功能-
Minus means that space - time circular frequency has a reverse direction to particle wave or the phasic difference between two circular frequencies is
式中負號表示時空偏轉圓頻率方向與波粒子的波函數圓頻率 -
Through experiments analysis, it is found that the integrated lts is the most versatile laser tracker available for dimensioning, tool building, alignment, and reverse engineering applications with the characteristic of high tracking precision and excellent dynamic capability. this paper also provided an effective new method and technique in the application of large workpieces and industry field measurement and orientation by using dual - frequency laser interferometer
實驗結果表西安理工大學碩士學位論文明這套跟蹤測量系統能夠適用於高精度、響應速度快和動態性能要求高的工業現場安裝與測量，具有廣泛的應用前景，同時也為雙頻激光干涉儀在大工件和現場測量、定位的應用提供了一種有效的方法與技術，並為三維空間的跟蹤測量方法的研究奠定基礎。 -
Then the nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser with 8ns laser pulse at 532nm. the factors that affect the performance of reverse saturable absorption and optical limiting of the materials were discussed. a phenomenological model is used to describe optical limiting phenomena
用波長為532nm的yag倍頻調q脈沖激光以8ns的脈沖速率測試復合材料的反飽和吸收的光限幅特性，討論了各種因素對材料的三階非線性光學性質及反飽和吸收光限幅特性的影響，並對它們的反飽和吸收的光限幅現象進行了理論擬合。 -
A new drive circuit for igbt is designed. it features high switching frequency, high driving power, simple - structure and reverse - turn - off
論文中還設計了一種新型的igbt驅動電路，它具有開關頻率高、驅動功率大、結構簡單且具有負壓關斷的特點。 -
When the electrical functioning smoothly, the electrical inductance of the winding a reverse electromotive force will be formed, the higher the frequency, the greater the reverse emf
當步進電機運轉時，電機各相繞組的電感將形成一個反向電動勢，頻率越高，反向電動勢越大。 -
Emf role in reverse, with the electrical currents in the frequency or rate increases and reduced, leading to the decline in torque
在反向電動勢的作用下，電機的相電流隨頻率或速度的增大而減小，從而導致轉矩的下降。 -
The nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser. appreciable effect of optical limiting was observed in the experiments
用yag倍頻調q脈沖激光器測試了復合材料的非線性反飽和吸收性質，發現材料具有明顯的光限幅效應。 -
Recurring to rnathematic figure and examples and aiming at such questions as unbalanced current and induced voltage and high frequency interference, this paper has not only researched anti - jamming ability and measuring process of both three - electrode method and four - electrode method which are combined with reverse phase method, but also summarized actual measuring experiences
通過數學推導和實例，圍繞消除地網不平衡電流、電壓極電流極引線問互感電壓、高頻干擾等問題，分析了三極法、四極法結合倒相法測量接地電阻的抗干擾能力和測量過程，並總結了實際測試經驗。 -
With the high frequency trend of power electronic technique development, the switching power diodes must be conducted and turn off very fast, that is, the diodes should have short reverse recovery time, low peak reverse current and soft recovery characteristics
電力電子技術高頻化的發展趨勢要求功率開關二極體必須具有快速開通和高速關斷的能力，即具有短的反向恢復時間（ t _ （ rr ） ） ，較小的反向恢復電流（ i _ （ rm ） ）和軟恢復特性。 -
The radio frequency receiver supports interface for instrument and base station and air interface for mobile station, and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal. the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer, next sends data to computer. the gps receiver supports interface for instrument and gps system, and receives gps system signal, next it demodulates the correlative information and sends out benchmark clock signal we need
射頻接收部分主要為儀器和基站、移動臺提供空中介面，其主要任務是在反向鏈路上對接收到的射頻調制信號進行低噪聲放大、射頻下變頻變換、中頻濾波放大等;數字基帶部分為對接收信號變頻為中頻后進行a / d采樣，以及其他的rsp處理並和計算機提供介面，將數據送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統提供介面，接收gps系統信號並解調相關信息，輸出所需的電文及時鐘基準信息等。 -
Because of the complication of ground condition, the ground is regarded as continuous layers and each layer of soil is defined as a uniform and elastic object. by solving the wave equation ( navier equation ) of three - dimensional elastic object, the results of ground under moving loads in wave number ? frequency field are obtained, then through the rapid fourier reverse transform, the results in space - time field are obtained
由於地質條件的復雜性，將地基看成是層狀的，並且每層都是均勻彈性的，通過解三維彈性體的波動方程（ navier方程）得到地基在移動荷載作用下的波數-頻域的解，再通過快速fourier逆變換（ fft ）求得空間-時間域的解。
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