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Group delay distortion,attenuation distortion and echo will cause the intersymbol interference. 影响数据传输质量的主要因素为:群时延失真、衰减失真以及回波引起码间干扰;
group delay distortion correction 群时延失真校正
The Group Delay Distortion in the IF Modulation Television Transmitter and Its Correction 中频调制电视发射机中的群时延失真及其校正
linear group delay distortion 线性群时延失真
group delay distortion 群时延失真
The group delay,which characterizes the linear distortion of the system and network,is an important transmission characteristic. 群时延是系统和网络的一项重要传输特性,它表征系统和网络的线性失真。
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。
In the presence of delay distortion of the transmission medium, the performance of the parallel data transmission system is analyzed. 在传输媒质存在延时失真的情况下，详细分析了并行数据传输系统的性能。
A periodic or continuous check of such channel characteristics as delay distortion, frequency response, and noise in an effort to reduce or eliminate the causes of errors. 周期性地或连续地检验通道的某些性能,如延迟失真、频率响应及噪声等,以便消除或减少引起错误的原因。
For this purpose,ap ampitude equalizer was designed by use of Bessel polynomial in this paper,so as to implement relative gain compensation without delay distortion. 为上述目的;本文中利用贝塞尔多项式设计了振幅均衡器;以实现无延迟失真的相对增益补偿.
group delay frequency distortion 群迟延频率失真
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;
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 mathematical expression of the relationship between degree of polarization(DOP)and differential group delay(DGD)for Gauss pulse is derived. 理论推导出准单色光波情况下、输入信号为高斯脉冲时偏振度(DOP)与差分群延时(DGD)关系的简明解析表达式。
The differential group delay (DGD) of the output light which passes through the E-O modulator PMD is estimated and verified by the experimental data. 藉由实验量测到的眼图，我们可以评估光载波经过电光调变器，所产生的群速色散与系统被极化色散现象影响的程度。
The difficulty of solving PMD lies in its randomness of differential group delay (DGD) between the principal states of polarization (PSP) and the change. PMD问题的最大困难在于差分群延迟（DGD）和偏振主态（PSP）变化的随机性。
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。
delay distortion measuring equipment 滞后失真测量设备
Because this system uses the spectrum minutiae of the group delay spectrum to be as the sample, it can be used to compare with the traditional endpoint and bifurcation minutiae. 因为，本系统采用群延迟频谱的频谱特徵值取样，和传统所使用的端点与叉点特徵值相比，所需的影像前处理计算量相对地少与较少的影像增强功能；