method of quadrature
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美
求积分法; 求积法
双语例句
- At the same time, we refrain mirror frequency effectively with the method of digital quadrature modulation ( DQM).
同时，由于采用了数字正交调制，从而有效地提高了镜频抑制。 - The novel method of this thesis work is based on using quadrature filters to estimate an orientation tensor and to use the advantage of tensor information to control3D adaptive filters.
本论文提出一个创新的卡尔曼适应性观测器，利用卡尔曼滤波器的高增益特性，无论未知参数有多少个都可以很容易估测。 - By the four boundary conditions and the method of the discrete numerical quadrature, the lengths of the plastic zone, the exit elastic zone and entrance elastic zone are calculated.
依据变形区的四个边界条件，采用离散数值积分法，计算出塑性变形区及其出、入口弹性变形区的长度； - A fast method for fractal image coding based on a kind of quadrature.
提出了一科基于矩不变量特征分类的快速分形编码方法。 - The element-free Galerkin method ( EFGM) is improved with partition of unity quadrature ( PUQ).
使用单位分解积分，对传统的无单元伽辽金方法进行改进。 - Under certain conditions, combining the polyphase filtering structure of decimation filter, put forward an optimum design method of quadrature demodulation receiver, which owns decimation structure.
结合抽取滤波器的多项滤波结构，在一定条件下，推导出了一种含抽取正交解调接收机最优结构设计方法。 - A method of measuring expectation values of quadrature moments of a multimode field is introduced through two-levels probe presented by Enrique Solano et al.
介绍了由EnriqueSolano等人提出的用两能级探测器测量场的正交量及相关信息的方法。 - The optimal conditions of roasting and acid leaching are ascertained and the process flow to treat this kind concentrate is established from the experiment in which the method of quadrature test is used.
试验采用正交的方法得出最佳的焙烧和酸浸条件，确立处理该种精矿的工艺流程。 - A method to identify the modulation levels of M-ary Quadrature Amplitude Modulation ( M-QAM) and M-ary Amplitude shift keying ( M-ASK) was developed to rapidly and automatically identify the modulation levels of digitally modulated signals at low signal-to-noise ratios ( SNR).
为了快速自动识别低信噪比下的数字幅度调制进制，提出了一种识别M进制正交幅度调制（M-QAM）和M进制幅度键控（M-ASK）的调制进制的方法。 - Tke Application of the Method of Multi-Targeted Quadrature Design to the Test on P.V.A.-Cement-Bondes Self-Hardening
多指标正交设计在聚乙烯醇&水泥自硬砂试验中的应用 - A method of digital quadrature demodulation is presented in this paper.
文中提出用数字式正交检波技术来测量相位的方法。 - A method& error analysis of phase difference measurement based on digital quadrature transformation
基于数字正交变换的相位差测量方法及误差分析 - The Constructing Method of a Kind of Quadrature Formulas
一类求积公式的构造方法 - A Linear Regression Method to Test the Balance Characteristic of Quadrature Detectors
正交检波器通道间平衡性能测试的线性回归方法 - In order to solve the problem of low accuracy in measuring time difference in SAW based wireless sensor system, a method of digital quadrature demodulation is presented.
提出了采用数字式正交检波技术得到I、Q通道的方法，以此来测量相位，获取传感信息，很好地解决了在无线声表面波传感器测量系统中测量时间差精度低的问题。 - Method of Eliminating Amplitude and Phase Unbalance of Quadrature Double Channels
一种消除正交双通道幅相不平衡的方法 - Noise properties of PLL are analyzed, and a design method of PLL precise quadrature phase shifter is presented in this paper.
本文分析了锁相环路的噪声性能，给出了锁相环精密正交移相器的设计方法，并以30MHz正交移相器为例，介绍了设计步骤。 - A method of keeping interferometric fiber optic sensor systems in quadrature by tuning the emission frequency of the laser diode source is described.
本文利用激光二极管频率可调特性，阐述了一种保持干涉光纤传感器在正交状态工作的方法。 - The Method of Reconstructing Optional Spectrum Signal and Digital Quadrature Modulation Based on DDS
基于DDS的任意频谱信号重构与数字正交调制方法 - IF Sampling Digital Quadrature Signals Processing Technique: A New Method of Quadrature Coherent Detector of Radar Receiver
基于中频采样数字正交技术的雷达接收机正交双通道处理新方法 - New method for correction of quadrature demodulation errors based on statistic average
基于统计平均的正交解调误差校正新方法 - Quadrature formulas for singular integrals with Hilbert kernel in multiple nodes are established by the method of seperation of singularities and the remainder of each quadrature formula is given in terms of contour integral.
该文用分离奇点的方法建立了含Hilbert核的奇异积分带重结点的求积公式，给出了求积公式余项的积分表示式。 - A new numerical computational Method, Differential Quadrature Domain Decomposition Method, is presented based on the advantages of Differential Quadrature Method and Domain Decomposition Method.
在微分求积法的基础上，结合区域分裂法的优点提出了一种新的数值计算方法&微分求积区域分裂法。 - A method for compensation of quadrature demodulation of synthetic aperture radar
一种合成孔径雷达正交解调误差校正方法 - The state space method coupled with the technique of differential quadrature ( SSDQM) was presented for plane stress problems.
针对平面应力问题，提出了利用状态空间法和微分积分法的混合解法（SSDQM）。 - The last method is using the mathematical characteristic of quadrature to improve the accuracy of target position.
采用一阶矩目标中心定位法提高目标中心点的计算精度。 - Secondly, study the DDS generation of LFM and processing which contains the basic principle and realization method of quadrature demodulation and pulse compression and MTI/ MTD and CFAR.
其次，研究了线性调频信号的DDS产生和处理包括正交解调，脉冲压缩，MTI/MTD，CFAR的基本原理和实现方法。 - The realization process for the three-dimensional element free Galerkin is studied. The implementation method of the regular hexahedron fixed background cell quadrature technique is introduced. And programming steps for element free Galerkin method are given.
研究了三维无网格伽辽金方法的具体实现过程，给出了规则六面体固定背景网格积分方案的实施方法和EFGM的程序设计步骤。 - RF signal is synthesized by the method of digital baseband signal and quadrature modulation.
整个射频信号的合成则采用基带信号合成加正交调制的方式来完成。 - Instead of using the method of the popular quadrature modulation, I adopt the lower cost controllable gain amplifier ( VGA) chip for modulation after analyzing the requirements of modulation parameters in protocol, and we get the satisfied results.
通过分析协议中对调制参数的要求，本设计没有采用广泛应用的正交调制，而是采用成本更低可控增益放大器（VGA）芯片进行ASK调制取得了很好的调制效果。