查询词典 intermediate frequency

The angular distribution of the transmission coefficient of HH polarization are obtained by numerical implementation, the influence of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the transmission coefficient is discussed.

通过数值计算得到了HH极化透射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对透射系数的影响，得到改进的一维分形分层海面透射系数的基本特征、分区特征和随频率变化的特征，结果表明透射系数近似具有"量子化"特征。

The angular distribution of the bistaticscattering coefficient of HH polarization were obtained by numerical implementation. Influences of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the bistatic scattering coefficient were discussed. The basic characteristics, the zonal characteristics and the characteristics with varying of frequency of the scattering coefficient from stratified sea surface were obtained. The numerical results show that the scattering coefficient has approximate "quantization" characteristics.

通过数值计算得到了HH 极化双站散射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对双站散射系数的影响，得到改进的一维分形分层海面散射系数的基本特征、分区特征和随频率变化的特征，结果表明散射系数近似具有"量子化"特征。

The angular distribution of the scattering coefficient of the HH polarization is obtained by numerical implementation, the influence of the fractal dimension, the special fundamental frequency, the scale interval, the permittivity of substrate medium, the permittivity and the mean layer thickness of intermediate medium, the root mean square of rough surface, and the frequency of the incident wave on the bistaticscattering coefficient is discussed.

通过数值计算得到了HH极化下双站散射系数随散射角的变化曲线，讨论了分维、空间基频、标度区间、底层介质介电常数、中间介质介电常数和厚度、粗糙面高度起伏均方根及入射波频率对双站散射系数的影响，得到了平面波入射一维带限Weierstrass分形分层介质粗糙面散射系数的分形特征、基本特征、分区特征和随频率变化的特征。

At intermediate frequencies , the SMRR is appreciably lower , but increases with increasing frequency .

在中间频率的问题，模板是略微降低，但增加的频率越来越高。

Note that changing the frequency includes a step-by-step transfer through all intermediate; values, i.e.

改变频率的时候软件是按扎一步一步的方式来的，每一步改变一个你设置的中间频率。

Finally a all-digital recorder system based on RAID5 which has a RT-Linux real-time software operation system and intermediate/video frequency acquisition card driver to overcome such problems as real-time quality reliability chunnel expansibility and standardization.

最终提出了以RT-Linux实时操作系统为软件平台和专门设计的中频和视频采集卡驱动为底层硬件平台的基于RAID5阵列的全数字记录系统，全面解决了记录实时性、可靠性以及通道扩展性和标准化的技术难题。

Even-level ladder system has been analyzed for population transfer by counterintuitive frequency-chirped laser pulse, in which intermediate states are strongly coupled by dressing laser field.

利用"反直觉"频率啁啾激光脉冲分析了偶能级ladder系统的布局数迁移，其中在缀饰激光场作用下N-2个中间态进行耦合。

The noise of Trial pilots was mainly intermediate or high frequency, and that of Riveters was high frequency.

试飞车间的噪声为稳态噪声，主要是以中高频为主，铆工车间的噪声为非稳态噪声，主要是以高频为主。

The difference between video frequency integration and intermediate integration is presented, and the effect of video frequency integration is analyzed. The obtained conclusion is significant to the actual project.

并讨论了视频积累和中频积累的差别，对视频积累的效果进行了详尽的分析，所得结论对实际工程有指导意义。

Due to the complexity of the cell jitter, the NonSynchronous Tining Recovery methods are currently not mature With the emphasis being given to the Class A CBR traffic, this paper analyzes the performance of the queueing delay and cell jitter at the source node and intermediate nodes, and discusses the Source Timing Recovery at the destination node in ATM networks Firstly, this paper presents a description of the cell jitter of CBR traffic, and gives the definitions of two kinds of cell jitter regarding the Source Timing Recovery for CBR traffic Then, by using exact mathematical models and analysis methods, this paper analyzes the impact of the factors, such as the capacity of the queueing buffer, the randomness, the deterministic nature and the correlation in cell arrivals of the background traffic sources, on the queueing delay and cell jitter performance of the CBR traffic through Statistical Multiplexitng To obtain an insight into the power spectral distribution and look for better schemes for the depression and filtering of the cell jitter, within the analyses we succeed deriving the power spectrum of the cell jitter for CBR traffic Hence, not only the power spectral distribution of the cell jitter can in the frequency domain be qualitatively understood, but also can the rms (root-meansquare) value of the cell jitter be quantitatively obtained so as to more accurately measure the amplitude of the jitter In the end-to-end performance analysis of the queueing delay and cell jitter, we propose a kind of quasi-periodic cell stream model to characterize the jittered CBR traffic, and present an initial queueing analysis of the CBR traffic following such a model at a generic intermediate node Additionally, we briefly discuss the buildout/playout and Source Timing Recovery functions of the destination node Finally, regarding the Source Timing Recovery of CBR traffic, this paper systematically discusses several important principles of the cell jitter filtering and depression reported in the literature, introduces several implementation schemes of the Source Timing Recovery e.

由于信元抖动的复杂性，非同步定时恢复方法目前还很不成熟。本文针对A类CBR业务流在ATM网络源节点和中间节点的排队时延和信元抖动性能，以及在目的节点的源定时恢复问题作了较为全面的研究。首先，文中描述了CBR业务流的信元抖动，并具体地给出了两种与CBR业务源定时恢复有关的信元抖动的定义。然后，采用了精确的数学模型和分析方法，有针对性地分析了业务背景中信元到达的纯随机性、确定性和相关性以及排队缓存器容量等因素对CBR业务流经过统计复用后的排队时延和信元抖动性能的影响。为了了解信元抖动的功率频谱分布和寻求更好的抑制和滤除抖动的方法，在性能分析中，我们成功地完成了CBR业务流信元抖动的功率谱分析，使得不但可以从频域定性地认识信元抖动的能量分布特性，而且还可以定量地求出信元抖动的均方根值(rms：root-mean-square)，以更为准确地衡量抖动的大小。在CBR业务流的多节点端-端排队时延和信元抖动性能分析中，我们提出了一种准周期性(quasi-periodic)信元流模型来描述感染了信元抖动的CBR业务流，并基于这一模型进行了CBR业务流中间节点的初步排队分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。