angle modulation
英 [ˈæŋɡl ˌmɒdjʊˈleɪʃən]
美 [ˈæŋɡl ˌmɑdʒəˈleɪʃən]
调角
双语例句
- Measuring Depth of Angle Modulation with Spectral Comparison Method
用频谱比较法测量角调制度 - In terms of applying this algorithm and the extended Kalman filter algorithm, the optimal nonlinear phase estimators, which are obtained when the angle modulation signals drived by a white noise have passed through the randomly time-varying channel, is derived.
应用这一算法以及推广卡尔曼滤波算法，导出了由白噪声策动的角调信号通过随机时变信道后的最佳非线性相位估计器。 - The Angle Modulation Principle of Signal
信号的角度调制原理 - In the communication principle, the corelation modulation coefficient, bandwidth and modulation signal parameters in angle modulation is a complicated prob~ lem.
在通信原理中，关于角度调制中调制指数β和带宽W与调制信号参数的关系是一个重要的问题。 - This paper analyzes switch angle during SHE-PWM modulation concretely, and gains all data of switch angle in all conditions.
对SHE-PWM调制时器件的开关角度进行了具体的分析，并得出了各种情况下全部开关角度的数据。 - This detection method can omit the precision angle rotation installation in the routine angle modulation, and it is not necessary to adjust the angle of light detector. Moreover, the sensor is capable of modulating dynamic detection scope according to the actual demand.
此检测方法可省去常规角度调制系统中精密角度旋转装置，无需实时调整光探测器接收角度，并可根据需要动态调整检测范围。 - The basic concept of the scheme is to utilize a coupling relation between the lag angle ξ and modulation rate mr and resulting in reducing the complexity of system design.
该方案基本思想是利用滞后角ξ和调制比mr的耦合关系来减少系统设计的复杂程度。 - The topological structure of nine-level cascaded H-bridge ( CHB) inverter and its commonly used modulation modes, i.e., phase angle shifted modulation and voltage-shifted modulation, are presented.
介绍了九电平级联H桥逆变器的拓扑结构及其常用的载波调制方式，即相角移位调制和电压移位调制。 - The error rate performance improvement of angle modulation systems involving digital FM, MSK and DPSK using the differential post-detection diversity combining technique has been studied in the presence of co-channel or multipath interference.
本文分析计算了在有同频道干扰和延时扩展多径干扰的快衰落信道中采用差分检波后分集合并的角调制系统的误码率特性。 - The angle modulation is a way in which modulating signals are used to control the angles of carrier signals ( frequency or phase). It can be divided into frequency modulation ( FM) and phase modulation ( P M).
角度调制是用调制信号去控制载波信号角度（频率或相位）变化的一种信号变换方式，可以分为频率调制（FM）和相位调制（PM）。 - With a given operating threshold it is possible to get a general expression for the angle modulation limits of a noisy PLL. Applying the general expression to the noise-free case gives the results which are in agreement with the experimental ones presented in literature [ 1].
本文则运用Booton准线性方法获得了有噪FM解调环路频偏界限的通用表达式，在无噪情况下由此得出的结果与文献[1]的实验结果一致。 - It is experimentally investigated that dependence of the angle and wavelength selectivity of photorefractive volume grating on the different crystal thicknesses, recording angles and the refractive index modulation.
实验研究了光栅的角度和波长选择性与晶体厚度、写入角、折射率调制度的关系，发现通过选择晶体厚度、写入角、折射率调制度大小，能够使光栅具有最佳角度选择性。 - Angle Modulation Limits of a Noisy Frequency Demodulation Phase Lock Loop
有噪FM解调锁相环路的角调制界限 - When the angle modulation signals made up of the message model have passed through a randomly time-varying channel, a complex nonlinear estimation model is formed.
当此消息模型构成的角调信号通过随机时变信道后，形成复杂的非线性估计模型。 - It is found that, with increasing incident angle, the maximum depth of the phase modulation decreases, but obvious change of the diffraction efficiency does not occur.
得到随着入射角度的增加，最大相位调制深度减小，而衍射效率变化并不明显。 - A Note on Overmodulation Distortion in Angle Modulation
关于角度调制中的过调失真的一点注记 - To improve the system damping, the supplementary control of UPFC is proposed, with its input as the active power or the bus voltage angle difference of the tie line, and its output as the modulation signal to the main control.
UPFC的辅助控制则通过联络线的功率反馈或电压相位差反馈对主控制中的控制参考值进行调制，以增加系统阻尼。 - By simulating the angle modulation/ demodulation, this paper expounds the basic principles of Little Frequency Excursion Method which is used to directly calibrate the range zero values. This paper also summarizes the application of this method in UCB TT& C reconstruction project.
通过对窄带角度调制/解调的仿真，简要介绍了小频偏直接距离校零方法的基本原理，总结分析了该方法在C频段统一测控系统中的应用情况。 - Therefore, characterizing neural responses by independent subspace analysis, this thesis proposes to embed watermarks into ISA coefficients of the cover image by energy-conserving hiding code of angle quantization index modulation.
据此，本文通过独立子空间分析来模拟神经元响应，提出借助具有能量无损特点的角度量化调制方式将水印嵌入到图像的独立子空间系数中。 - And, according to the analysis of the partition of high resolution range and angle measurement of monopulse, linear frequency modulation signal with wide bandwidth can enhance the range resolution of imaging; while antenna with narrow beam can enhance the azimuth resolution.
同时，根据对高分辨距离单元划分及单脉冲测角的分析可知，采用宽带线性调频信号可以提高图像的距离分辨率，而窄波束天线能够提高图像的方位分辨率，这些结论都在仿真中得到了验证。 - The influence of angular selectivity and peak diffraction efficiency of VBGs with different gratings parameter, such as thickness, period, tilt angle of grating vector and refractive index modulation, is analyzed.
理论分析了光栅参数（周期、厚度、折射率调制度和光栅矢量倾斜角）对体布拉格光栅角度选择特性以及峰值衍射效率的影响。 - Pointed out the relation of cascade units 'number and carrier phase-shifted angle, and the modulation ratio ( M)' s impact on the output voltage.
并指出了级联单元个数与载波移相角的关系和调制比对输出电压的影响；完成了级联变频器数学模型的建立和死区效应的分析。