The effect of the resistor is to introduce a small pedestal voltage on to the integrator output at the beginning of the reference integrate phase. 电阻的效果,是在基准积分阶段的开始期,引入一个小的基本电压到调节器的输出。
Variable reference phase holocamera 可变参考相位全息摄影机
If the carbon content of the steel is known, the proper temperature to which the steel should be heated may be obtained by reference to the iron-iron carbide phase diagram. 如果已知钢的碳含量,可以参照铁-碳相图获得该钢合适的加热温度。
If the reference element has a phase of zero, compute the phase applied to element five when the beam is scanned 40o above the boresight axis. 如果参考单元的相位是零,计算第五单元当扫描视轴线以上40度的相位。
All the things we are talking about here are with reference to the gas phase. 所有我们在这里谈到的,都和气相有关。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal. 这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
The controller parameters are dynamically tuned by applying especial reference phase method for adapting the change of the Internet system. 采用特定相位裕量方法动态调整PID控制器的参数,使控制器能在线自适应网络系统中的变化。
Simulation study of the partial array reference method for phase aberration correction in ultrasonic imaging 部分阵元参考法校正超声成像相位畸变的仿真研究
The improvement of graphite reference electrode in gaseous phase 气相阴极保护技术中石墨参比电极的改进
Above the single inverter mentioned before, the character of circulating current in parallel inverter is provided. And the control method base on active and reactive power is introduced including the reference voltage phase and amplitude adjusts, power calculation and output voltage synchronized in different inverter. 在单机的基础上,介绍了逆变器并联的环流特性,以及基于有功和无功功率的并联控制方案,包括:基准电压相位和幅值的调整,有功和无功功率计算,逆变输出电压同步锁相。
To meet the low jitters of pulses ( 1.0 ps), cavity length of the oscillator should be adjustable to lock the pulse frequency with external RF reference, and a phase stability feedback system is also used. 系统中采用了腔长调整锁模技术以及相位稳定反馈装置,目的是使激光脉冲的时间抖动小于10ps。
The pulses of rotate speed, reference of phase and tracking central frequency of filters are provided by reference circuit. 不平衡信号处理部分由基准信号电路和振动信号电路组成。基准信号电路用于测量转速、为测量相位提供基准以及为带通滤波器的中心频率提供跟踪脉冲。
By making changes of reference voltage phase diagrams of load, this method can enlarge the compensation range and decrease the energy output of DVR. 该方法通过对负载参考电压相角的旋转和幅值的伸缩,扩大了DVR的补偿范围,减少了DVR的有功输出。
Prediction of Reference Phase Angle in the Electric Power System Based on LS-SVM 基于LS-SVM的电力系统参考相角预测
The deviation introduced by reference phase shifting errors on four-steps and five-steps algorithm are analyzed. 在研究相位偏移干涉测量技术基础上,重点研究了五幅算法计算精度及移相误差对计算结果的影响;
On the basis of this paper, the model of the nonequilibrium system has been standardized. The dissipative condition of the critical reference state in nonequilibrium phase transform is analysed. 本文在非平衡系统规格化模型的基础上,分析了非平衡相变临界参考态的耗散情况。
Adaptive Prediction of the Reference Phase Angle in Real-time Phasor Measurement of the Electric Power System 电力系统实时相角测量中的参考相角自适应预测
Attitude and Heading Reference System with Dual-baseline Carrier Phase Differences GPS Interferometers 双基线载波相位差GPS干涉仪的姿态航向基准系统
New algorithm insensitive to the piston and tilt errors of reference mirror for phase stepping interferometer 相移器平移误差与倾斜误差不敏感相移新算法
Standardized Treating Method and Critical Reference State of Nonequilibrium Phase Transition Systems 非平衡相变系统的临界参考态及规格化处理方案
The retention coefficients of amino acids were used to predict the retention times of different peptides, which provided reference for selecting appropriate mobile phase to separate crude peptide. 用多肽分子中各氨基酸保留常数加和值的方法可以预测不同多肽的保留时间,为选择分离纯化多肽所需的流动相提供了参考作用。
The control method of paralleled inverter is presented, that is, DSP controller controls the output power to balance through regulating the reference voltage phase and value of inverter. 因而可通过分离检测各模块输出的有功功率差和无功功率差,并利用DSP控制电路来控制每模块的基准相位和电压幅值,使各模块输出功率保持均衡。
A method for automatic evaluation of holographic interferogram& the method of reference beam phase shifting 全息干涉条纹图自动计值的一种方法&参考光相位移法
The reference phase were calculated by using a special marked point method, which avoided the measurement requirements for the ideal reference surface, and the measurement efficiency and reconstruction accuracy were improved. 4. 采用特殊标记点的方法实现了对参考相位的求取,避免了对理想参考面测量的需求,提高了测量效率和重建精度。
Including operating voltage module, the reference voltage module, phase comparison module, filter module and the interface to work space module and so on, they are used to give the result of phase comparison. 模型包括工作电压模块、参考电压模块、相位比较模块、滤波器模块以及与工作空间的接口模块等,用于输出比相结果。
The time-frequency three parameters wavelet transformation uses for reference of the phase correction from the S transformation to enable this question solved. 时频三参数小波变换借鉴了S变换中的相位校正思想使得这一问题得到解决。
But the performance is poor, because both chirp dispread reference and phase reference are dirty with noise. 由于相位的参考信号及解扩的参考信号都受到了噪声的污染,该解调方式的误码率性能差。
Conventional algorithms for synthetic aperture radar uses the matched filter and convolves the data with a reference phase signal which changes with range. Its frequency domain implementation is cumbersome. This effects the quality of SAR image. 传统SAR算法在进行聚焦时候都利用了匹配滤波器,数据的相位都要随着距离变化,而且频域处理很繁杂,影响了SAR成像的精度和质量。
At the last of the dissertation. ( 2) The new algorithms for classification of MPSK, MASK and MQAM signals using cumulant invariants are proposed in Gaussian noise and ideal communication channel environment. The classification features are blind to unknown SNR and reference phase. 研究了在高斯噪声和理想信道环境下,基于高阶累积量不变量特征的MPSK、MASK和MQAM信号调制分类识别算法,不变量特征对信噪比和未知的参考相位参数是盲的。
Aiming at reference phase loop, the frequency characteristic of HRG is analyzed, and the control project by the phase-locked loop is designed. Then the problem that the input and output signal of HRG has different frequency is solved. 3. 针对频率跟踪控制回路,分析了半球谐振陀螺的频率特性,设计了数字锁相环的控制方案,解决了半球谐振陀螺激励信号与输出信号频率不一致的问题。