x
uploads/quadrature.jpg

quadrature n.1.【數學】求積分,求面積。2.【天文學】矩;(月的...

quadrennial

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。

In the first chapter , we list some known results of hermite interpolation of higher order and gaussian quadrature formulas as its simple survey and introduction 第一章介紹高階hermite插值和gauss求積公式的收斂性的已有結果,引入記號和定義。

A real time method for the calibration of the quadrature demodulation error of the rcs measurement radar receiver is proposed 摘要針對脈間變頻rcs測量雷達采用模擬正交解調方法獲得同相分量和正交分量所引入的解調誤差,提出了一種實時校準方法。

Super quiescent state problem of anti - running device can be solved by applying 3 - bend - quadrature equation and elementary parameter equation 運用力學中的三彎矩方程式和初始參數方程可以解決防溜器的超靜定力學問題。

As a consequence , the mmf due to the armature current is along the aixs midway between the two adjacent poles , called the quadrature ( or q ) aixs 因此,由電樞電流所產生的磁動勢沿著相臨的兩個磁極,并稱為正交軸。

A solution of the secular problem of the quadrature of the circle , government premium 1 , 000 , 000 sterling 解決世上自古以來留下的難題:作與圓等積的正方形,并贏得政府頒發的一百萬英鎊獎金269 。

In the third chapter , first we state some useful lemmas , then we study the convergence of gaussian quadrature formulas 第三章第一節主要給出了應用基本定理得到的幾個引理和另一個重要的引理。

The mechanical quadrature methods and their splitting exprapolations for first - kind boundary integral equations on polygonal regions 曲邊多角形域上第一類邊界積分方程的機械求積算法與分裂外推

Extraction of the in - pulse characteristics of signal based on direct sampling from if signal and quadrature coherent detection 基于中頻直接采樣正交相干檢波技術的信號脈內特征提取

By appropriately tuning the cavity resonant frequency , squeezing in the phase quadratures can be enhanced or reduced 適當調節腔的共振頻率,可以使壓縮效應增強或減弱。

These properties play an important role in theory of gauss - type quadrature rules briefly discussed in section 1 . 4 所以, gauss型求積公式重又成為數值求積中的新貴。

Differential quadrature method for the stability analysis of semi - circular pipe conveying fluid with spring support 法用于具有彈性支承半圓形輸液曲管的穩定性分析

Analysis of functionally graded plates in cylindrical bending using hybrid differential quadrature method 混合微分求積法在功能梯度材料平板柱形彎曲問題中的應用

Ijf - oqpsk is actually to modulate the ijf codes by the offset quadrature phase shift keying Ijf ? oqpsk實際上是對ijf信號再進行正交四相相移鍵控的調制技術。

Upwind local differential quadrature method for solving coupled viscous flow and heat transfer equations 求解粘性流體和熱遷移聯立方程的迎風局部微分求積法

Differential quadrature domain decomposition method for a kind of nonlinear singular perturbation problems 非線性奇異攝動問題的微分求積區域分裂法

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

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

Nonconforming finite element approximation on anisotropic meshes with numerical quadrature 各向異性網格下具有數值積分的非協調有限元逼近