The characters of phase shift and group delay are controlled by the number and position of zeroes and poles.
而滤波器的零点、极点个数及其位置又完全决定了其相移和群延迟的性质。
The paper presents a new method based on linear shift invariable system to implement the fractional delay.
提出了基于线性移不变系统实现小数时延的方法并进行了性能分析。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
The longitudinal shift varies with the incidence Angle, and the time delay and the variations in the intensity and the time-width depend on the dispersion of the material.
反射光束的纵向位移量随入射角变化而变化，光束的时间移动、强度和宽度的变化与色散系数有关。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
本文在瑞利衰落模型下，研究了高频电离层信道中多径时延与多普勒频移的随机特性。
Anoiher signal with 90 degree delay is obtained by phase shift circuit. The accurate and stable circle counting is done by a reversible counter.
通过移相电路获得相差90度的另一路信号，然后用可逆计数器实现稳定准确的周期计数。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。
The modal control is analysed in cases of all modal controlled and limited modal controlled respectively. The time delay is compensated using method of phase shift.
模态控制分控制全部模态和控制有限模态两种情况，时滞补偿采用移相补偿。
At present, the joint estimation methods of time delay and frequency shift for satellite interference localization are mainly based on the principle of correlation, such as CAF algorithm.
目前，卫星干扰源时延和频移定位参数的估计主要采用基于相关原理的互模糊函数算法(CAF)进行联合估计。
The key factors of the Relayed frequency shift jamming to it's quality are it's frequency shift amount and the time delay between the jamming pulse and the jammed signal.
决定转发移频脉冲干扰品质的是其移频量和与信号脉冲的相对延迟时间。
By using minimum variance and average principle, the adaptive filtering algorithm is analyzed to effectively compensate the time-delay and phase shift that appear in signals.
采用最小方差理论和平均原理对自适应滤波算法进行分析，对信号中产生的延时和相移予以有效补偿。
The application of optical fiber technology in phased array radar also includes the use of optical fiber delay line in optical phased array radar beam to form the necessary phase shift.
光纤技术在相控阵雷达的应用还包括用光纤延迟线在光控相控阵雷达波束形成所需的相移。
A new delay partition method is also adopted to improve the speed of the post-scale counter, which is used to realize the programmable phase shift and duty cycle.
本文还提出了一种延时分割方法以提高用于实现相移和占空比调节功能的后端分频器的速度。
A new delay partition method is also adopted to improve the speed of the post-scale counter, which is used to realize the programmable phase shift and duty cycle.
本文还提出了一种延时分割方法以提高用于实现相移和占空比调节功能的后端分频器的速度。
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