The effects of the square wave cycle, phase, duty cycle and the fiber coil group delay and amplifier gain bandwidth on the bias error of closed-loop FOG were analyzed by simulating and testing. 通过仿真和测试分析了调制方波的周期、相位、占空比、光纤环的群延时以及放大电路的增益带宽对陀螺输出偏置的影响。
A new magnetic field measurement based on the Faraday effect and the measurement of differential group delay ( DGD) in fiber grating was proposed. 提出了一种利用光纤光栅中法拉第效应和测量差分群时延(DGD)的直接测量磁感应强度的新方法,给出了理论分析和实验结果。
Therefore, there is a perfect compromise between attenuation in stopband and group delay or loss variation in passband. 因此,它在带外衰减与带内幅度特性和带内群时延特性之间有了一个较好的折中。
Tuning Coupled Cascaded Bandpass Filter Using Mixed Method of Reflection Coefficient Phase and Group Delay 反射系数相位与群时延混合法调谐耦合级联带通滤波器
The sample rate, filter corner frequency, settling time, group delay and output word rate will be reduced also, as these are proportional to the external clock frequency. 由于采样速率、滤波器转折频率、建立时间、群延迟和输出字速率与外部时钟频率呈比例变化关系,因此这些参数也会相应降低。
Group delay induced instability and its suppression for a controlled-double pendulum 群时延引起的受控小车二级摆失稳及其抑制
Research on Group Delay Measurement of Frequency-Translating Devices with Software Defined Radio Technology 基于软件无线电技术的变频器件群时延测量方法的研究
Analyzing the Effect Group Delay Characteristic on Baseband Signal Transmission 群时延特性对基带信号传输的影响分析
The group delay and dispersion of whistler wave are mainly dependent on ionization density. 哨声群时延和色散值主要决定于电离密度;
The superprism effect was demonstrated experimentally in a thin film Fabry-P é rot filter based on its large group delay at the wavelength of peak transmittance. 基于薄膜法布里珀罗滤光片在其峰值波长处具有较大群延迟的特性,设计并从实验上验证了光束倾斜入射时这种结构中存在的超棱镜效应。
Group delay characteristic measuring equipment 群延迟特性测量装置
The systems transfer function is analyzed, especially the one of the filter which is connected between VFD and the phase detector, and it should be established on the group delay concept. 根据功能,认为变频器输出电压滤波器的传递函数需要使用群时延概念,为更精确地分析这类问题提供了依据。
New Measurement for Electromagnetic with the Differential Group Delay of Fiber Grating Enhanced Adaptive Observer for Sensorless PMSM Drive System 基于光纤光栅差分群时延的磁感应强度测量新方法基于增强型自适应观测器的永磁同步电机无速度传感器
Design of SiGe HBT LNA Considering Group Delay and Wideband Matching 兼顾群延时与宽带匹配的SiGeHBTLNA设计
Given the desired group delay, the complex Cepstrum coefficients are computed in such a way thatthedenominatorgroup delay is approximated in the WeightedLeast Square sense. 通过使全通滤波器传递函数分母的群延迟在加权最小均方意义下近似理想的群延迟,导出复倒谱的计算公式。
To make sure no mutation of output signal wave form, filer with high rectangle coefficient, flat passband and flat group delay is needed in these systems. 特别是在中频输出电路或脉冲调制系统中,为保证信号波形无畸变的输出,高矩形系数、带内平坦、平延时的滤波器受到相当重视。
Abstract: this paper discusses group delay and phase delay of resonance loop as well as their application to TV technology. 文摘:讨论了谐振回路的群延时与相延时以及它们在电视技术中的应用。
The definition and measurement techniques for group delay has been described and analyzed in this paper, the new techniques, being called three-mixer technique and vector-mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analyzed in detail also in this paper. 描述和分析群时延的含义和测量方法,着重研究了变频链路绝对群时延的测量方法,对三混频器和矢量混频器技术进行了详细分析和论述。
In addition, the sufficient and necessary conditions for the group delay to be negative are given. 同时给出了群时延为负的充分条件和必要条件。
And the experiments show that the program is useful for designing IDT with various amplitude and group delay response. 实验表明,该程序对设计各种幅频和相频特性的IDT是行之有效的。
A method of Group Delay measurement in Digital Radio System has been introduced in this article. 本文介绍了一种数字微波通信系统的群时延测量方法。
This paper discusses the error of the group delay time in a digital PAL decode. 本文讨论了数字式PAL解码器中一行延迟线的群延迟时间的误差。
The expressions for the bandwidth and group delay of MSFVW are derived under magnetostatic approximation. 在静磁近似下推导出了静磁正向体波带宽及群延迟的表达式。
A method of designing the group delay filter is proposed in this paper. 提出了一种设计宽带雷达信号精确数字延迟滤波器设计方法。
Narrow band corrective functions with various group delay are introduced into the time domain. 在时域上引入了不同群时延的窄带校正函数。
The amplitude and group delay characteristics can be controlled exactly. 对幅频特性和群时延特性进行精细调整。
Many published papers analysed range error by using group delay, it is not accurate enough. 以往的文献中,多用群时延来分析TT&C的测距误差,这种方法不够准确和全面。
In the experiment, up to 0.9 ns group delay variation has been obtained. 实验中我们观察到了最大0.9ns的群延迟变化。
The FIR digital filter has strict linear phase and ensures that the filtered signals have the same group delay. FIR数字滤波器具有严格的线性相位,保证了滤波后信号具有相同的群延时,不会给时廷测量带来额外误差。
Accordingly, the reflection and transmission group delay times are systematically investigated in an asymmetric single quantum barrier. 在此基础上,系统地研究了单个非对称量子势垒中反射和透射时延。