查询词典 characteristic value

Return loss is one of the important indices, which is used to evaluate the absorbing characteristic of the microwave anechoic chamber, so the test of it comes into one of the important aspects of examining the characteristic of th e microwave anechoic chamber.

微波暗室的回波损耗是衡量微波暗室吸收特性的一个重要指标，因此对微波暗室的回波损耗的检测是检验微波暗室性能优劣的一个重要方面。

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括：泵浦信号光发生系统、载波抑制光双边带产生系统，硅基环形谐振腔系统，以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔，光耦合器的输出连接到硅基环形谐振腔的输入端口，其中：硅基环形谐振腔由一个硅基微环和一根直波导构成，硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米，硅基环形谐振腔频谱特征是周期性的带阻滤波特性，在谐振波长处的透射率等于0或非常接近0。

Firstly, the choice, division, organization and relation behavior of geographical space is proposed on the base of human geography and behavioral science; Following, from the perspective of the physiography and anthropogeography respectively, the reason forming regional characteristic of rural architecture at Baoshi village is given; Finally, the strategy of developing tourism according to the special rural architecture characteristic of Baoshi, also as its new geographical advantage in its development, is presented, which combines the preservation of rural architecture with settlement development.

该部分首先从人文地理学行为学理论出发，对宝石村的地理空间选择行为、地理空间划分行为、地理空间组织行为以及地理空间联系行为进行了探讨；随后分析了宝石村乡土建筑地域特色的自然地理之因以及人文地理之由；最后作者从宝石村的区位特色出发，提出以其特有的乡土建筑特点作为宝石村发展新的区位优势开发旅游业，实现乡土建筑保护与村落发展的结合。

But network economy has the characteristic that is different from hypostatic economy, wait like sex of high fluidity, instability, high risk and tall speculation, its characteristic considers on superintendency means, for example the principle of an essential sex of policy of the taxation on the tradition is apanage principle, but in Internet in fictitious world, individual income tax is asked for by who with respect to existence problem.

但网络经济具有不同于实体经济的特点，如高度流动性、不稳定性、高风险性和高投机性等，在监管方式上考虑到其特殊性，例如传统上税收政策的一个根本性原则就是属地原则，但在互联网虚拟世界中，个人所得税由谁来征就存在问题。

This dissertation begins with the analysis of speech signal pretreatment and does some points test, draws the characteristic parameter of the introduction pronunciation through MATLAB speech processing toolbox, gets rid of the aphonia segment and yawp of speech signal, offers effective speech segment for the distill of speech characteristic parameter.

本系统首先从语音信号的预处理开始分析，通过MATLAB语音处理工具箱提取输入语音的特征参数，对语音信号进行了端点检测，滤除了语音信号的无声段和噪声，为语音特征参数的提取提供了有效语音段。

The basic concept in these sections is replacing backward Euler's method by modified backward Eulers's method to approximate the characteristic differential equation and discretizing the convection-diffusion equation at the middle point of the approximate characteristic curve, which will make the convective term get up to second order accuracy.

这三节的基本离散方法是用改进的Euler公式代替向后Euler公式来近似特征微分方程，并且将近似特征线的中点作为离散节点，使得对流项的离散精度提高到二阶，对于扩散项，将其转移到待求时间层进行离散。

Insufficient quality data is the main characteristic of implementing the statistical quality control in flexible automation environment, aimed at this characteristic the group technology to statistical quality control for enhance the apriority of quality data and bring forward the group statistical quality control technology were introduced.

针对柔性自动化生产环境下实施统计质量控制的难点即质量数据不足的问题，将成组思想引入统计质量控制，以提高质量数据的先验性和质量数据之间的相关关系，提出了基于工序质量数据成组的成组统计质量控制(GSQC GroupStatisticalQualityControl)技术。

In the"willow leaf"TEM horn, the characteristic impedance varies from 50Ω to the 377Ω free space impedance, thus its metal plates have shapes similar to willow leaf. The constant impedance TEM horn consists of two tri-angular metal plates, with it's characteristic impedance at arbitrary cross-section being a constant.

采用FDTD方法，对'柳叶'TEM天线、恒阻抗TEM喇叭天线及低频补偿TEM喇叭天线的反射特性、口面场分布、主轴辐射场特性、辐射场方向特性进行了分析，并对各自的特性进行了比较。

It is not only a kind of social event, but also a text form with an oral characteristic of real-time interaction and a written characteristic of unilateral asynchronism.

它既具有口语语篇的实时互动性，又具有书面语体的单向异步性，属于"互动性的书面语篇"。

From the lumped equivalent circuit model, the phase shift/attenuation and impedance characteristics of the novel structure are first analysed based on the Bloch theory, which shows the novel structure has properties analogous to those of a bandpass filter: the attenuation constant keeps zero with a continuous and smooth characteristic impedance distribution within the passband and the bandwidth may be arbitrarily specified; characteristic impedance is purely imaginary with the inhibition of the electromagetic wave propagation outside the passband.

首先从一般的等效电路模型出发，根据Bloch周期性理论对该结构的相移、衰减和阻抗特性进行了分析，结果表明该新结构具有类似带通滤波器的特性：通带内衰减常数为零，特性阻抗为实数并随频率连续平滑分布，具有可任意指定的阻抗匹配带宽；带外特性阻抗为纯虚数，电磁波传播受到抑制。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。