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- flat group delay 平延时
- 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。
- 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;
- 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;
- 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 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。
- 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。
- 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；
- deep excavation of flat group cavities 平顶群洞暗挖法
- It is important to know how does the degree of polarization (DOP) change with differential group delay (DGD) when DOP is feedback information for adaptive PMD compensation. 在用偏振度作为反馈信号的动态偏振模色散补偿系统中,偏振度与差分群延时的关系对于准确快速的动态偏振模色散补偿很重要。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- 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。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- 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。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- Our present lease on the flat expires next month. 我们这套公寓的租约下月到期。
