quadrature
n.
求积，求积分；求积法；求面积；转象差
英英释义
quadrature[ 'kwɔdrətʃə ]
n.the construction of a square having the same area as some other figure
词组短语
quadrature amplitude modulation正交调幅
权威例句
Gaussian quadrature formulas /Calculation of Gauss quadrature rules
Multiple quadrature underintegrated finite elements
Differential quadrature and long-term integration ☆
Differential Quadrature and Its Application in Engineering
A 900 MHz CMOS LC-oscillator with quadrature outputs
Precision inphase / Quadrature up-down converter structures and methods
Quadrature-Based Methods for Obtaining Approximate Solutions to Nonlinear Asset Pricing Models
A filter family designed for use in quadrature mirror filter banks
Application of generalized differential quadrature to solve two‐dimensional incompressible Navier‐Stokes equations
1. 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。
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2. 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。
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3. 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冲序列起伏的新的测量系统，并对此系统进行了理论分析。
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4. 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。
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5. 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。
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6. So why are opposition and quadrature so significant?
那么，为什么冲位和正交意义如此重大？
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7. 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。
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8. 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。
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9. 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。
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10. 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。
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11. 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鉴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鉴相系统的性能。
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12. 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。
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13. 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冲体制接收机数据采集系统。
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14. 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。
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15. This paper presents a new quadrature method for singular integrals.
本文给出一种新的奇异积分求积方法。
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16. Quadrature couplers are an excellent way for power distribution due to a high isolation and high power capability.
正交耦合器是一个很好的方式，具有配电，高分离和高功率的能力。
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17. The matrix method and axial tracing method were applied in the calculation of the measurement of buildings which had quadrature axes.
矩阵法及轴跟踪法是解决具有正交轴线这类问题的建筑实体的工程量计算方法。
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18. The techniques of quadrature processor based on the polyphase filters are important part of software radio.
基于多相滤波的正交处理器技术是软件无线电技术的重要组成部分。
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19. It was determined that water content in bath solution is the most significant factor by quadrature test.
通过正交试验，确定了槽液中水含量是造成槽体严重腐蚀的最显著因素；
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20. Within the dose range of curing agent and enlargement agent , the composition of sand consolidation agent is optimized by using quadrature test .
辅以少量增孔助剂，对砂孔进行固结试验。 在固化剂和扩孔剂用量范围内，利用正交试验优化固砂剂组成。
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21. 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。
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22. For bandpass signal under digital quadrature sampling, there is spectrum shifting. Although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.
在数字正交采样中，带通信号存在频谱迁移问题，虽然满足带通信号的采样定理，仍可能产生频谱混叠。
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23. 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。
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24. On the basis of quadrature theory and dynamic characteristics, the amplitude detection and control theory for HRG(hemispherical resonator gyro) is studied in this paper.
基于正交理论和半球谐振陀螺的动力学分析，研究了半球谐振陀螺的振幅检测和控制原理。
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25. 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。
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26. The design and implementation of quadrature waveform generator are described based on the AT89C52, phase-locked loop(PLL) and switched-capacitor filter(SCF).
描述了基于AT89C52单片机、锁相环和开关电容滤波器的正交信号发生器的设计和实现方法。
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27. The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.
给出了FM正交解调结构，即在统一的中频数字化硬件平台上，与单边带、调幅等波形一起在基带完成正交解调。
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28. The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.
给出了FM正交解调结构，即在统一的中频数字化硬件平台上，与单边带、调幅等波形一起在基带完成正交解调。
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29. QAM (quadrature amplitude modulation)
正交幅度调制
-- 来源 -- 英汉 - 翻译样例 - 行业
30. 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。
-- 来源 -- 英汉 - 辞典例句
31. 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。
-- 来源 -- 英汉 - 辞典例句
32. successive quadrature
逐次求积分
-- 来源 -- 英汉 - 翻译参考[网络]
33. quadrature encoding
正交编码
-- 来源 -- 英汉 - 翻译样例 - 行业
34. quadrature amplitude modulation
正交幅度调制
-- 来源 -- 英汉 - 翻译样例 - 行业
35. Quadrature channels
正交通道
-- 来源 -- 英汉 - 翻译样例 - 工程
36. quadrature partial-response keying
正交局部响应键控法
-- 来源 -- 英汉 - 翻译参考[网络]
37. in quadrature with
与...相差四分之一周期
-- 来源 -- 英汉 - 短句参考
38. space quadrature
空间90相位差
-- 来源 -- 英汉 - 翻译参考[网络]
quadrature
