quadrature

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。

A test method of torque synchro rotor quadrature axle damping short-loop loss and current was introduced.

介绍力矩式自整角机转子交轴阻尼短路环损耗和电流的一种测试方法.

A DSP+ RF ASIC scheme for GFSK quadrature modem is introduced.

介绍了一种基于DSP和RF ASIC芯片的GFSK正交调制解调器的设计和研制方案。

Differential quadrature element method is an alternative numerical solution techniques.

微分求积单元法是一种可供选择的、能优越的数值计算方法.

The conventional Gauss quadrature is kept in the integral element far away from the inner point.

而远处单元的积分仍保持常规高斯积分.

If the coefficients 1, then we call a positive quadrature formula.

如果系数1, 然后我们称之为积极的求积公式.

This toolkit provides Gaussian Quadrature complete source code, has been tested.

这个工具包提供高斯正交完整的源代码, 已经过测试.

The transmitter of this design is based the Direct Quadrature-up Conversion ( DQUC) structure. And the Local Oscillator signal is worked in two times of RF frequency, which not only save design cost, but also solves the spill caused the direct current system performance deterioration.

发射机部分采用直接上变频结构，具有很好的镜像抑制特性，并且本振信号以两倍射频频率工作，这样既节省了设计成本，又解决了直流泄漏导致的系统性能恶化的问题。

The 8 node solid element with an one point quadrature is used for the model of grinding wheel, flange, spindle and bearing.

砂轮、法兰、主轴及支座采用一点积分的8节点实体单元。

Quadrature Sampling of the Wireless Surface Acoustic Wave Sensor Signals

无线声表面波传感信号的正交采样处理

Simultaneously setting all 8 bits ensures synchronization between in-phase and quadrature signals.

同时设定全部8位确保同相和积分信号之间同步.

These extensions lead to generalized Gaussian quadrature formulas which have high algebraic precision.

这一推广导出了具有高阶代数精度的广义高斯求积公式.

Quadrature scheme is a scientific method of arranging multi-factors and multi-standards.

正交设计是安排多因素,多水平的一种科学设计方法.

Digital Quadrature Demodulation for the Wireless SAW Sensing Information

无线声表面波传感器信号的数字正交检波处理

T 764 Encoder, 10 mm hollow through shaft, Quadrature output, Push pull output circuit.

4T764编码,通过一十毫米空心轴, 正交输出, 一键拉式输出电路.

So why are opposition and quadrature so significant?

那么为什么相对和正交现象这么奇特 呢 ?

A Design Method for Cosine Modulated Quadrature Mirror Filter Bank

一种余弦调制正交镜象滤波器组的设计方法

Set up quadrature cells in the domain.

设置域内的积分单元.

The system distortion is inevitable in ultra-wide-band quadrature demodulation receiver cons i sting of analog devices.

由模拟器件构成的超宽带正交解调接收机不可避免地存在系统失真,这些失真的存在有时会严重影响系统的性能.

A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.

用阿基米德螺线能成功地解决化圆为方的问题,方法很简单.

A half moon is visible at the quadrature of the moon.

半形月在月弦的地方可以看得见.

Both Quadrature Amplitude Modulation ( QAM) and Low Density Parity Check Code ( LDPC) are widely used in such fields as wireless communication, wired television transmission and satellite communication.

正交幅度调制（QAM）和低密度奇偶校验码（LDPC）技术应用于很广泛的领域，如无线通信、有线电视传输、卫星通信等领域。

GPS is widely used in forest system and it is of the function of position, navigation and quadrature.

GPS在林业系统中的应用广泛，具有定位、导航、求积三大功能。

In this paper, the feature of armature reaction for PM synchronous motor is analyzed. The coupling between direct-axis and quadrature-axis magnetic paths and the concept of coupling reactance are explained in detail.

本文详细地分析了永磁同步电动机电枢反应的特点，说明了直交轴磁路间的耦合以及耦合电抗的概念。

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。

Lange was used for quadrature coupler.

正交耦合电桥采用兰格电桥.

This system realizes controlling the move of acupuncture manipulator by means of the inner high speed counter with quadrature encoder.

本系统使用了PLC内部专用的旋转编码器输入型高速计数器，实现了针灸机械手的运动控制。

Some Hermite-Interpolatory Quadrature Formulae for Singular Functions

奇异函数的Hermite插值求积公式

A new solution of anti-magnetized magnetomotive of quadrature axis component of armature reaction in permanent magnet motor

永磁磁极电机横轴电枢反应去磁磁势新解法

The air damping, quadrature error, parasite Coriolis force and interference from axial accelerations are also discussed.

讨论了微机械陀螺中的空气阻尼、正交误差、寄生Coriolis力以及轴向加速度干扰等问题。