Extraction of the in - pulse characteristics of signal based on direct sampling from if signal and quadrature coherent detection 基于中频直接采样正交相干检波技术的信号脉内特征提取
The mechanical quadrature methods and their splitting exprapolations for first - kind boundary integral equations on polygonal regions 曲边多角形域上第一类边界积分方程的机械求积算法与分裂外推
In the third chapter , first we state some useful lemmas , then we study the convergence of gaussian quadrature formulas 第三章第一节主要给出了应用基本定理得到的几个引理和另一个重要的引理。
A solution of the secular problem of the quadrature of the circle , government premium 1 , 000 , 000 sterling 解决世上自古以来留下的难题:作与圆等积的正方形,并赢得政府颁发的一百万英镑奖金269 。
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,由电枢电流所产生的磁动势沿着相临的两个磁极,并称为正交轴。
Super quiescent state problem of anti - running device can be solved by applying 3 - bend - quadrature equation and elementary parameter equation 运用力学中的三弯矩方程式和初始参数方程可以解决防溜器的超静定力学问题。
A real time method for the calibration of the quadrature demodulation error of the rcs measurement radar receiver is proposed 摘要针对脉间变频rcs测量雷达采用模拟正交解调方法获得同相分量和正交分量所引入的解调误差,提出了一种实时校准方法。
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 第一章介绍高阶hermite插值和gauss求积公式的收敛性的已有结果,引入记号和定义。
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 镜频抑制混频器包含两个单元混频器,射频正交功分,本振同相功分,中频正交合成。