| 1. | Group - delay characteristic of receivers for television broadcast transmissions
电视广播接收机群时延特性 |
| 2. | Methods of measurement for waveguides - part 3 : variation of group delay
波导管的测量方法.第3部分:群时延的变化 |
| 3. | Differential group delay dg
微分群时延 |
| 4. | Enhancing dgd dynamic range of different formats by using filtering technique
采用滤波技术提高不同码型差分群时延动态范围研究 |
| 5. | Introduction and analysis of methods of measuring the group delay of frequency - translating devices
频率变换器件群时延测量方法的探讨与分析 |
| 6. | Differential group delay measurement of single - mode components and devices by the differential phase shift method
利用微分相移法进行单模元器件和装置的群时延差测量 |
| 7. | By new the vector - mixer calibration technique has bees teed in our project , the test results show that vector - mixer slaved measuring absolute group delay of frequency converters successfully
矢量混频器技术已在工程中应用，测试结果表明，矢量混频器技术较好地解决了变换链路绝对群时延的测量。 |
| 8. | 2 . while the frequency of the incident microwave is getting closer to the frequency at which the resonant effect appears , the electric field in the middle of the slot is group delayed
( 2 )当入射波载频接近共振频率时,孔缝中心耦合的电场强度存在群时延现象,群时延现象与共振增强效应同步发生。 |
| 9. | The definition and measurement techniques for group delay has been described and analysed in this paper , the new techniques , being called dine - mixer technique and vector - mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analysed in detail also in this paper
摘要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。 |
| 10. | The dissertation presents the combined theoretical , numerical and experimental studies on the experimental modeling of the actuator , the design of test rig and control system , the modeling of two - dimensional airfoil aeroelastic system , the control design of active flutter suppression , and the effect of group delay in the digital filter on the stability of aeroelastic closed - loop system
本文通过理论分析、数值仿真与风洞实验相结合的方法,研究了超声电机作动器建模、翼段颤振实验装置和控制系统设计、二维翼段气动弹性系统建模、颤振抑制控制律设计以及数字滤波器群时延对颤振抑制闭环系统稳定性影响等问题。 |
