quadrature 中文意思是什麼
quadrature
解釋
n. 名詞 1. 【數學】求積分,求面積。2. 【天文學】矩;(月的)上[下]弦;方照。
3. 【物理學】正交;轉象差;九十度相位差。
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Multi - level quadrature amplitude modulation
多電平正交調幅 -
Qam for quadrature amplitude modulation
積分幅度調制 -
A neat solution of the quadrature problem can be achieved with the spiral of archimedes.
使用阿基米德螺線可以輕松解決求積分的問題。 -
Application of differential quadrature method to space axial symmetry problems in elasticity
微分求積方法在彈性力學空間軸對稱問題中的應用 -
Research the digital quadrature demodulation
數字解調技術及其實現。 -
A linearized differential quadrature method for navier - stokes equations in the stream - function and vorticity form
方程的線性化微分求積法 -
Pll - qpsk, phased - locked loop quadrature phase shift keying
鎖相環四相相移鍵控 -
Pll - qpsk phased - locked loop quadrature phase shift keying
鎖相環四相相移鍵控 -
Quadrature differential phase shift keying qdpsk
四相差分相移鍵控 -
Set up quadrature cells in the domain
設置域內的積分單元。 -
Quadrature differential phase shift keying
四相差分相移鍵控 -
Bandpass sampling theorem and digital quadrature coherent detection
帶通采樣定理與中頻採集數字正交檢波 -
Quadrature partial response keying qprk
正交部分響應鍵控 -
In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。 -
Give an example, for a built arch dam, the paper worked out calculational programme based on the calculational model and calculate the reliability index of abutment with simple and double quadrature method
對於一已建成的拱壩,利用這一計算模型,採用改進一次二階矩法,編制電算程序,計算該拱壩壩肩巖體的可靠指標。 -
When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt
上電復位后,晶元處于接收狀態,工作在突發模式下,採用dpsk調制方式,將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調,通過中斷將解調完的基帶信號送入單片機處理;處于發送狀態時,可將數據擴頻、調制,經ad9768送出。 -
When the nopa was operated at amplification, the epr states with amplitude - quadrature correlation and phase - quadrature anticorrelation were generated firstly in 1999. the product of the amplitude and phase quadrature correlation degrees was 0. 727 0. 004 < 1 ; after the laser source was reconstructed, the epr beams with amplitude - quadrature anticorrelation and phase quadrature correlation were obtained in 2001 and the product of the correlation degrees was 0. 332 0. 003 when the nopa was operated at deamplification. 2
參量放大過程產生的糾纏光束具有正交振幅正關聯、正交位相反關聯的特性,乘積關聯度為0 . 727 0 . 004 1 ;改進光源后,利用參量反放大( deamplification )過程產生了正交振幅反關聯、正交位相正關聯的明亮epr糾纏光束,乘積關聯度達到0 . 332 0 . 003 1 。 -
Changing temperature velocity in inner barrel is not a stable constant, and it will vary with advancement of measuring from time to time, thus cooling emendation quadrature model is established to compensate temperature dissipation
提出以內外桶溫差導致的量熱系統溫度變化的速度對主期測量時間進行積分的冷卻校正計算模型。 -
Based on this result, convergence of gaussian quadrature formulas for riemann - stieltjes integrable functions on an arbitrary system of nodes on infinite intervals is discussed
應用這個結果,我們討論了關于riemann - stieltjes可積函數f ( x )基於無限區間上的任意節點系的gauss求積公式的收斂性。 -
The image rejection mixer is composed of two unit mixers, rf is halved as two parts in quadrature ; lo is halved as two parts in phase ; if is synthesized in quadrature
鏡頻抑制混頻器包含兩個單元混頻器,射頻正交功分,本振同相功分,中頻正交合成。
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