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- This paper discusses group delay and phase delay of resonance loop. 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。
- This reseach designed a phase delay fMRI experiment? and used coherence analysis method to find the phase delay. 本研究设计一组相位差功能性实验‚再以同调性分析法找出相关区域的相位差。
- The loudspeaker array has more equal pressure field and higher radiating level by SINC setup, QR timing or phase delay. 采用sinc函数理论、QR时间延迟、QR相位延迟等方法,使扬声器阵列的辐射更加均匀、声压级更高。
- 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。
- With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed. 以同步生成的模拟精度序列为参照,就掩星观测中电离层延迟对LEO卫星轨道误差的响应程度进行了估计和分析。
- The refractive indices and phase delay of NLC in electric field was presented on the basis of the calculation of liquid crystal director distributions. 摘要在液晶指向矢计算的基础上,得到了向列相液晶在电场下折射率分布和相位延迟。
- This revision of the control input will greatly compensate the gain attenuation and phase delay, and the error of the machined part will be decreased. 将求得的输入控制量输入到伺服刀架模型中,可以达到补偿幅值衰减和相位滞后的目的,同时可以估计非圆加工的形状误差。
- This new SMO can decrease the high frequency ripple of the back EMF (Induced Electromotive Force), has the advantage of no phase delay, and can simplify the structure of the SMO. 该滑模观测器能够减小估算反电势中的纹波,且不产生信号相位差,并较传统的滑模观测器结构简单。
- In this system, FPGA is used as a main logic unit and DSP is used as a digital demodulate unit.The influence of carrier phase delay on demodulation output is corrected. 该系统采用FPGA实现数据的高速采集和逻辑控制,用DSP实现传感信号的全数字解调,分析了载波相位延迟对解调输出的影响并采取了纠正措施。
- A method of calibrating the sensors' position error, channel gain and phase uncertainties of equispaced linear array without phase delay ambiguity was presented. 摘要针对等距线性阵列天线的阵元位置误差和通道幅度相位不一致性问题,提出了一种采用单校正源分时多方位的无相位延迟模糊校正方法。
- group delay characteristic measuring equipment 群延迟特性测量装置
- maximally flat delay characteristic 最平延迟特性
- A new accurate method for measuring the birefringence of muscovite mica has been reported in terms of the dispersion relations of the indices and the variety relations between the phase delay and the wavelength. 摘要根据云母折射率的色散关系和相位延迟随波长变化关系,给出了一种测量双折射率比较精确的方法。
- Methods To express the phase delay and polarization of each mode in resonator, the Jones matrix was adopted to analyze the eigen equation of each mode and get the eigenstates and eigenfreqencies. 方法 采用琼斯矩阵分析光在谐振腔内的本征方程,得到它的本征值和本征向量,从而可表示模在腔内的相位延迟和偏振状态。
- Bessel function design simulation results show the small pass-band ups, stop-band attenuation, in the pass-band with a better group delay characteristics, which can meet the design requirements. 仿真结果表明贝塞尔函数设计的滤波器通带起伏小,阻带衰减大,在通带内群延迟特性较好,可以很好满足设计要求。
- Butterworth-type and Bessel function-type two ways are used for design of Bandpass filter for receiver, and with the help of EDA simulation tools, the bold plot and the group delay characteristics of the filters designed are compared. 摘要采用巴特沃思型和贝塞尔函数型2种方法进行接收机带通滤波器设计,借助EDA对该滤波器进行波特图和群延迟特性的比较。
- Analysis and research were done for the trigger energy and time delay characteristics in the triggering process,using the energy storage and pulse formation trigger circuit to switch on the TVS. 本文采用辅助高压击穿与能量续流的触发电路来导通真空触发开关TVS,对触发过程中的触发能量和时延特性进行了分析和研究。
- In 1998,The outgrowing speed of leaves and the grade of leaf color decreased in long-ear phase under high-temperature.And the heading phase delayed one week than every year. 1998年长穗期的低温,使出叶速度和叶色级数减少,导致有效分蘖率降低,齐穗期比历年延迟一周;
- In 1997,the valid tiller ending phase and maximum tiller phase delayed and leaf ages index increased in medium and late tillering phase under high-temperature. 1997年在分蘖中、后期持续高温,有效分蘖终止期和最高分蘖期向后延迟,叶龄指数增加。
- Analysis of Delay Characteristic in a Real Time Reliable Multicast Protocol 一种实时可靠多播协议延迟性能分析