quadrature

quadrature

1. Electric-optical modulator; quasi-phase-matching; degenerate optical parametric amplifier: Amplitude quadrature squeezed light field; coupled oscillator.

01振幅调制器;准相位匹配;简并光学参量放大;正交振幅压缩态;耦合谐振子

2. 4 Offset quadrature phase shift keying

4偏置四相相移键控

3. A Determine exact and analytical stresses at quadrature points.

a得到每个积分点的应力。

4. frequency diverse quadrature amplitude modulation

FDQAM调制

5. Design of 3 dB Quadrature Couplers for HF/VHF

HF/VHF频段3dB正交耦合器的设计

6. M-QAM ( M-ary quadrature amplitude modulation )

M-QAM

7. De-mapping for Quadrature Amplitude Modulation(QAM)

QAM解映射

8. quadrature amplitude (QAM) modulation

QAM调制器

9. quadrature direct digital synthesis(QDDS)

QDDS

10. The SHM is an active, double-balanced mixer that achieves x2 sub-harmonic mixing through two quadrature (I/Q) driven, stacked Gilbert-cell switching stages.

SHM(亚谐波混频器)采用有源双平衡混频器的结构,并且设计成为2次谐波I/Q混频。

11. The Bai Sha of the quadrature in one Zhang Zhong compasses is sent, cover whole area wall almost only open wide type bookcase.

一张中规中矩的白沙发，一只几乎覆盖整个面墙的敞开式书柜。

12. The neutron angular distribution of flux and transverse-leakage were represented by the S(subscript N) quadrature set.

中子通量和横向泄漏的角度通过离散纵坐标(S(下标N))求积组离散。

13. quadrature formula with central differences

中心差分求积公式

14. The differential quadrature element method (DQEM) proposed by Dr.C.N.Chen is a numerical analysis method for analyzing continuum mechanics problems.

中文摘要由陈长钮教授所研究开发出来的数值积分表示微分元素法为一种分析连体力学问题的数值方法。

15. 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。

16. To deal with various boundary conditions, a new semi-analytical method has been proposed that the differential quadrature method (DQM) is employed for the in-plane discretization.

为了处理各类边界条件，提出了采用微分求积技术模拟面内变化的半解析方法，兼具精度和效率。

17. To improve IRRs of the system, two modules, RF filter and polyphase filter before the second downconersion, are added to the single-double quadrature structure.

为提高系统的镜像抑制性能，射频前端在单双正交结构的基础上添加两个模块：射频滤波器与第二次混频之前的多相滤波器。

18. To satisfy the requirement of high performance signal processing technique,it is demanded to use the direct sampling of IF signal to get quadrature signals.

为满足高性能信号处理技术要求，需要直接对中频信号进行采样来得到正交双路信号。

19. The Thorough Analysis of the Quadrature Detector

乘积型相位鉴频器的深入分析

20. quadrature axis synchronous impedance

交轴同步阻抗

21. quadrature axis transient electromotive force

交轴电动势

22. quadrature axis armature reaction

交轴电枢反应

23. quadrature axis subtransient electromotive force

交轴起始瞬态

24. quadrature axis subtransient voltage

交轴起始瞬态电压

25. quadrature axis subtransient reactance

交轴起始瞬态电抗

26. quadrature axis subtransient impedance

交轴起始瞬态阻抗

27. offset quadrature amplitude shift keying

交错正交移幅键控

28. staggered quadrature amplitude modulatio

交错正交调幅

29. This paper introduces a method of realization of the numeric controlled oscillator(NCO) used in quadrature digital mixer with the CORDIC(COordination Rotation DIgital Computer) algorithm based on vector rotation.

介绍一种利用矢量旋转的CORDIC(COordination Rotation DIgital Computer)算法实现正交数字混频器中的数控振荡器(NCO)的方法.

30. From this point, M-ary Quadrature Amplitude Modulation (MQAM), MultiCarrier Modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.

从这一点出发,多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。

31. For example of shape characteristic, we chose eccentricity, compactness, shape invariant quadrature, andFourier descriptors to combine characteristic vector, and carry on the experiment and make better result.

例如，就形状特征，本文抽取了离心率、紧致度、形状不变距和傅立叶描述符组成特征向量，进行实验并取得较好的效果。

32. OQASK Offset Quadrature Amplitude Shift Keying

偏移正交幅移键控

33. OQPSK. Offset quadrature phase shift keying

偏置的正交频移键控

34. On the optical frame, the use of light division system and polarized optical components improve the head-to-scale tolerance substantially and produce four interference quadrature signals.

光学架构上，本光学尺利用分光系统以及偏极光学元件，能大幅提高光栅与光学头间之对位公差，并获得四正交之光学干涉讯号。

35. Factory of firm existing this department, pedrail, hydraulic changes quadrature implement head office of factory, industrial development and hill push composition of company of family work trade.

公司现有本部、履带厂、液力变矩器厂、实业开发总公司及山推科工贸公司组成。

36. Keywords quadrature scheme accuracy degree;

关键词正交设计;准确度;

37. Almost all the classical methods of numerical differentiation, numerical quadrature and numerical integration of ordinary differential equations are directly derivable from interpolation formulas.

几乎所有的经典数值微分、数值求积和常微分方程的数值积分公式都可以从插值公式推导出来。

38. The nonlinear axisymmetrical bending of circular plates subjected to various combined loadings has been analyzed by the differential quadrature (DQ) method.

分析了多外载联合作用下圆板的轴对称非线性弯曲问题。

39. The differential quadrature method for free vibration of orthotropic plates in consideration of the effects of higher-order transverse shear deformations is presented.

分析了计及高阶横向剪切变形的正交各向异性弹性板自由振动的问题。

40. The differential quadrature method was employed to analyze the natural frequencies and critical speed of the plate under in-plane loading.

分析轴向运动速度、板材料刚度及长宽比对板横向振动固有频率及临界速度的影响。

41. Power Amplifier Modules were designed using Push-Pull BJT power amplifiers that were combined using 3dB Quadrature couplers.

功率放大器模组设计，使用负载牵引特性原理功率放大器被合并使用三分贝正交耦合器。

42. 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。

43. A quadrature filter pair is designed to analysis the dominant orientation and local orientation energy in registered images firstly， which consists of a steerable filter and its Hilbert transform.

即采用方向可调滤波器及其Hilbert变换组成的正交滤波器组，分析两幅已配准源图的主要方向及局部方向能量。

44. staggered quadrature phaseshift keying

参差正交相移键控

45. Dual Encoder to USB Converter module can handle signals from 2 SSI absolute encoders or 2 quadrature incremental encoders.

双编码USB转换模块可以处理的信号2小型工业绝对式编码器或2正交增量编码器。

46. In addition, we designed a quadrature Gilbert mixer to construct a mult-band mult-standard RF receiver frond end (FE).

另外，本文还设计实现了一个正交Gilbert 混频器， 与宽带低噪声放大器一起构成一个多频带、多标准射频接收前端。

47. The tunable lasing source technique maintains the operating point of the sensor in quadrature via monitoring the undesired signal.

可调谐激光技术来源，保持经营的角度传感器在正交通过监测不受欢迎的信号。

48. The differential quadrature approach suggested by Wang and Bert is extended to handle the high-order moment boundary conditions of plates, too.

同时，推广Wang和Bert处理边界条件的方法(简称为DQWB途径)来处理这类问题中所包括的高阶矩的边界条件。 给出了推广的微分求积算法的一般格式。

49. quadrature axis component of the internal voltage

同步电动势交轴分量

50. Liu, Y., Z.Yu, and S.Jiang, 1990: Cospectrum and quadrature spectrum estimation by the maximum entropy method.

周良明、刘玉光，2003：利用地物光谱仪数据研究水汽对太阳辐射的吸收。

51. four-level quadrature amplitude modulati

四电平正交调制

52. quadrature frequency discriminator

四相鉴频器

53. The numerical method in this thesis combines the Multiquadric method (MQ method) and the domain decomposition technique in Differential Quadrature (DQ) form.

因此，本方法仍保有无网格法不需要建立网格组织的特性。

54. So the quadrature precision of two output signals is low and the stability of the sensor system will be lost if the large ambient disturbance present.

因此，正交精度的两个输出信号是低和稳定的传感器系统将丢失，如果大环境的干扰。

55. 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。

56. Based on the principle of 4-channel quadrature detector system in homodyne interferometer,a kind of detector system consisting of Wollaston prism is introduced.

在单频激光干涉仪四通道信号接收系统原理基础上,提出一种采用Wollaston棱镜的四通道信号接收系统。

57. Current feedback from the analog-to-digital converter and position feedback from the quadrature encoder can be directly interfaced to the developed motor control IC.

在周边处理能力方面，可直接将电流回授量及速度回授量由类比/数位转换器及增量光编码器取得， 不需透过微处理器。

58. On a factory floor, standard industrial encoders can deliver erratic signal output resulting from damage to the sensitive ICs that transmit quadrature output to the controlling device.

在工厂里，标准工业编码器可以产生不稳定的信号输出，造成将方照输出传输给控制设备敏感集成电路的损坏。

59. In this thesis, we employ the meshless local Multiquadric Differential Quadrature method (LMQDQ method) to deal with the Poisson, Helmholtz eigenvalue and cavity flow problems.

在这篇论文中，我们应用区域多元二次微分积分法求解卜易松、赫姆霍兹特徵值与穴室流场问题。

60. The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time-bandwidth product is not small.

在高数据采样率，特别是大时宽带宽积条件下，时域的数字正交采样和脉冲压缩包含大量的乘加运算。

61. The differential quadrature method (DQM) is applied to truncate the governing equation into a set of two-order ordinary differential equations with respect to time domain.

基于牛顿法推导出了输液曲管模型面内振动的非线性控制方程，利用微分求积法将系统的偏微分方程转化为关于时间域的二阶常微分方程组；

62. multi-level quadrature amplitude (MQAM)

多电平正交振幅调制

63. It produces the I and Q signals, limits their pass bands, uses them to modulate the subcarrier in a quadrature and adds the moduled subcarrier to the luminance Y, blanking and synchronizing signal waveform.

它首先分离出I信号和Q信号，指定了它们的传输频带，并用它们对副载波进行正交调制，然后将调制过的副载波信号叠加到亮度信号Y和同步信号波形上。

64. The results also show that the DNTR code can obtain good accuarcy using S6 or S8 quadrature sets for most reactor problems.

对于一般的反应堆问题而言，角度离散选取S6或S8展开便可以得到令人满意的准确度。

65. An attempt is made the extend the Differential Quadrature Method (DQM) to the stability analysis of curved pipes conveying fluid.

将微分求积方法推广到输液曲管的稳定性分析，这是一个新的尝试。

66. Spline interpolation and Gaussian quadrature are developed for surface-fitting and double integration and applied to calculation of the flow and the efficiency in pumping station and the flow in aqueduct and pipe.

将曲线的样条函数插值和高斯配点法扩展到曲面上来解决这一问题,并对泵站流量、率、渠和管道流量进行了计算。

67. Nutlet quadrature circle, dust-colour.

小坚果矩圆形,灰褐色。

68. wavelet-based differentical quadrature method

小波微分求积法

69. differential quadrature phase shift keying

差分四相相移键控

70. DQPSK. Differential quadrature phase shift keying

差分正交相移健控

71. The design finished includes a bypassable low noise amplifier (LNA) and quadrature downconverter integrated on chip.

已经完成的设计包括一个片上集成的可直通式的低噪声放大器（LNA）和一个片上集成的低频转换式的混频器。

72. quadrature information correlator

平方律相关器

73. generalized differential quadrature method

广义微分积分方法

74. Differential quadrature method (DQM) was introduced to solve the problem of partial derivatives function in strain energy formula.

应变能方程式中之偏微分函数则利用微分值积法(DQM)来解。

75. the differential quadrature method

微分求积法

76. Chen Y. HO,“Design of Lumped Quadrature Couplers,”Microwave J., vol.22, NO.9, 1979, pp.67-70.

戴奎生,”微波电晶体电路设计,”全华科技图书

77. To avoid frequent shape updates of the local subdomains, the fundamental variables are represented with a spatial configuration, with the numerical quadrature conducted on the material configuration.

把空间坐标表示的基本变量在材料坐标上进行积分，避免了更新积分子域的形状。

78. A method of characterizing the eddy current (EC) patterns based on two dimensional Fourier description of in phase and quadrature signals is presented.

提出了一种基于涡流图形的水平和垂直分量信号的二维傅里叶描述和分析的方法。

79. interpolation quadrature formula

插值求积公式

80. The quadrature in the compasses in slam the door, bold conception, take care to design, the uses a change to be extreme of lay particular stress on technique on colour.

摒弃中规中矩，大胆构想，小心设计，色彩上的运用改变为偏重极端的手法。