英语释义

• the construction of a square having the same area as some other figure

片语

quadrature coupler正交耦合器

Quadrature input位置码盘输入

quadrature tube直角管

quadrature modulator正交调制器

quadrature signal[通信] 正交信号

quadrature amplitude modulation正交调幅

quadrature filterIn signal processing, a quadrature filter q(t) is the analytic representation of the impulse response f(t) of a real-valued filter:

Quadrature Decoder正交解码器

induction quadrature感应直角相移

Quadrature Sampling正交采样

英汉例句

• program for using an ibm pc to read quadrature encoders through the parallel port (requires bi-directional port) and display position data on-screen.

  计划使用ibm的pc阅读正交编码器通过并行端口（需要双向端口）和显示位置数据在屏幕上。

• then, according to the signal property, the signal generation technique based on ad9857 quadrature digital upconverter is introduced.

  然后根据信号特点，介绍了基于ad9857正交数字上变频器的中频回波信号产生技术；

• quadrature coherent detection can reserve all information of the complex envelope of signals, and it is therefore widely used in signal processing.

  正交相干检波可以将复包络的所有信息进行保留，所以在数字信号处理中得到广泛应用。

• the differential quadrature method presented in this dissertation is applied to discretize the nonlinear model and the corresponding dq form is obtained.

  利用本文推广的微分求积格式得到了相应的非线性控制方程的dq形式；

• quadrature bi-channel transform is used widely in radar receiver along with the progress of digital technique.

  随着数字技术的发展，正交双通道变换在接收机中得到了广泛的应用。

• the performance analysis of quadrature correlation detection algorithm for ds-ss signal is presented.

  本文给出了直接序列扩频信号正交分路周期相关检测算法的性能分析。

• a new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented.

  提出了一种在基带采样率内对任意带通信号的正交采样技术。

• in practice, it is essential to maintain the quadrature point of operation for maximum sensitivity.

  在实践中，这是重要的是保持正交点的运作发挥最大的灵敏度。

• analyze the quadrature demodulation and difference demodulation algorithm of msk signal.

  对msk信号，分析了正交解调和差分解调算法。

• today, the planet jupiter is at eastern quadrature – or 90 degrees east of the sun.

  今天，木星处于东方正交，即与太阳呈90度夹角。

• this paper presents mechanical quadrature methods for solving the boundary integral equations of nonlinear boundary value problems.

  本文提出了解非线性边值问题的边界积分方程的高精度机械求积法。

• quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of if signal.

  正交采样技术可以保留信号复包络的幅度、相位等信息，因此在信号处理领域中有着广泛的应用。

• finally, some ways of mti processing are compared in amplitude and phase unbalances of quadrature channels.

  最后比较了几种mti处理方法对正交通道幅相不平衡度的要求。

• in the paper, higher-order quadrature phase squeezing of a phase coherent state of a harmonical oscillator in a finite -dimensional hilbert space is studied.

  本文研究了有限维希尔伯特空间谐振子位相相干态的高阶正交相位压缩效应。

• this paper introduces a new system for measuring the fluctuation of radar rf pulse series by using if quadrature dual channel, and gives theoretic analysis of this system.

  提出了一种利用中频正交双通道测量雷达发射机射频脉沖序列起伏的新的测量系统，并对此系统进行了理论分析。

• 「the law has a very low political legitimacy because of this, 」 said jérémie zimmermann, director of la quadrature du net, an advocacy group based in paris.

  「由于这些障碍这项法律被行政上通过的可能性不大」一个在巴黎广受欢迎的香格里拉网的主管齐默尔曼如是说。

• quadrature receiver has widely been used in pd radar, but it is difficult to obtain perfect balance between i and q channels when analog circuits are used.

  在pd雷达系统中，通常采用模拟方法进行正交双通道采样，但是其性能较差。

• quadrature phase method is one of the important methods in directional blood flow information detection using doppler ultrasound techniques.

  正交相位法是超声多普勒技术中提取双向性血流信息的一种重要方法。

• as a key technology in digital quadrature demodulation system, the direct if sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.

  中频采样是数字正交鑒相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鑒相系统的性能。

• this paper presents a method for orientation estimation which combines the quadrature filtering with nonlinear diffusion.

  提出了一种将正交滤波和非线性扩散相结合的取向估计方法。

• 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。

• the receive technology of ultra-wide band (uwb) signal is one of the key technologies of high-speed receiver. quadrature receiver is typical scheme in high- speed receiver.

  超宽带信号接收技术是高码率接收系统的关键技术之一，正交接收机是实现超宽带信号接收的典型方案。

• an ultra-wideband quadrature demodulation receiver data acquisition system is designed for the purpose of uwb signal processing .

  设计并实现了一套基于正交解调的超宽带脉沖体制接收机数据采集系统。

• the system distortion is inevitable in wide-band analog quadrature receiver because of the existing of amplitude and phase errors, the performance of receiver become worse.

  由模拟器件构成的宽带正交解调接收机会由于正交通道的幅相不一致性造成整个系统的失真，进而影响整个接收系统的性能。

• conclude that the cross-axis coupling coefficients of stiffness between drive and sense direction should be as small as possible to reduce the quadrature error.

  指出减小支承梁和弹性系统的驱动和敏感方向的耦合刚度系数可大大减小由加工带来的正交误差。