line impedance的例句大全

This paper treats of frequency stability of conventional 12-channel carrier transmitters as used in collieries, with particular reference to the considerable variations of underground transmission line impedance and fluctuations of supply voltage.

本文根据煤矿井下载波传输线路阻抗变化大、电源电压波动大的特点，针对传统的矿用十二路载波发射机，讨论了其振荡频率（即发射频率）的稳定性问题。

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a high ratio broadband short line impedance transformer

一种高变比宽频带短传输线段阻抗变换器

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The reflection of tapered transmission line impedance is analyzed in theory and the VSWR curve of coaxial to plane converter is drawn.

从理论上分析了渐变式传输线阻抗变换的反射与频率的关系，进而分析了同轴到平板过渡的电压驻波比关系式；

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The periodic current subtransient attenuation of generator is taken into consideration, when calculating the short-circuit of generators, and the decay time constant is corrected in view of the line impedance when the short-circuit point is away from the bus-bar. 2.

在计算发电机短路电流时，考虑周期分量的超瞬态衰减，考虑短路发生在远离汇流排位置时线路阻抗对短路电流的影响，并对周期分量衰减时间常数进行修正。

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The numerical results were obtained in a table by solving the combined equation of transmission line impedance transfer equation and terminal input impedance expression in gas capacitance.

通过解传输线阻抗转移公式和终端输入阻抗的气隙电容表达式的联立方程得出了数值结果。

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In this paper a plain expression of a line impedance matrix and phase sequence impedance matrix is presented to express the two ends earthing transmission cable system with the intersect connection of cable sheath but non transposition of the cable core.

文章给出了电缆线芯不换位、金属护套交叉互联两端接地系统的线路阻抗矩阵、相序阻抗矩阵的直观表达式；

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In this paper, the on-state impedance matching formulation of MEMS switches is developed based on the results of the high-frequency transmission line, and the electromagnetic characteristics of MEMS switches are confirmed by using the HFSS software.

本文在高频传输线研究的基础上，推导出微机械开关的开态阻抗匹配模型，并利用HFSS软件对开关的高频特性进行模拟。

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Research on Impact of Termination Impedance to Crosstalk of Transmission Line

传输线端接阻抗对线间串扰的影响研究

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The Impact of Terminal Impedance on the Coupling Effect of the Transmission Line

端接阻抗对传输线线间耦合的影响分析

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the real part of impedance of matching network is represented approximately by a number of straight line segments on logarithm coordinate, so that greatly simplifies the calculation of phase function and reduces the degree of nonlinearity of transduce power gain.

该方法将匹配网络输入阻抗的实部近似用对数坐标中的若干直线段表示，简化了相位函数的计算，降低了功率增益传输函数的非线性。

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Analysis of characteristic impedance of strip double line

矩形截面带状双线传输线特性阻抗分析

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This system uses the battery as supply power, and adopts instrumentation amplifier wtih high performance as preamplifier, so that we can improve the CMRR and input impedance, and decrease the line frequency noise effectively.

本系统由电池供电，采用高性能的仪表放大器进行前置放大，以提高共模抑制比和输入阻抗，有效抑制工频干扰。

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As examples, both a multiple circumferential slotted coaxial antenna and a microstrip slot array are designed using this method to achieve shaped radiation pattern. The shaped beam is realized by adjusting the feed line that composed of stepped impedance lines.

作为应用实例，用此算法设计了串联馈电的波束赋形天线，提出了使用阶梯阻抗线对微带缝隙和同轴缝隙串联馈电以实现赋形波束设计的方法。

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The protection extent and defects of impedance protection for transformer is analyzed by this article, and it is pointed that distance protection for power line cannot be applied to the backup protection for main transformer at another terminal on the same line.

针对变压器阻抗保护的保护范围进行分析，指出了变压器阻抗保护的缺陷，同时指出线路距离保护不能作为对侧主变压器的后备保护。

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The aim of the paper is to receive nodal impedance matrix by adding-branch line algorithm and admittance matrix algorithm, to analyze the effect of them, and to provide the models.

使用了支路追加法和导纳矩阵求逆法来形成节点阻抗矩阵，给出了两种算法的数学模型，分析了算法各自的特点和优势。

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Low voltage power line is a time-varying system of complex network structure, whose hostile channel properties such as very low impedance, instability channel frequency, strong noise pollution, attenuation and time-variance must be considered.

低压电力线是网络结构复杂的时变系统，其信道表现出阻抗变化大、信道频率特性不稳定、信号所受干扰强和时变性大等特点。

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In this paper, the expressions of the input impedance for a probe type coaxial line-rectangular waveguide transducer are derived by means of self-reaction of an assumed current over the probe.

本文利用探针上假定电流的自反应，导出了探针式同轴线-矩形波导转换器输入阻抗的表达式。

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Based on the advantages of ridged waveguide beside adding a tapered impedance line, two type of ultra wide band ( UWB) waveguide device are designed, and software simulation results are given.

本文结合脊型波导的优势，在引入了阻抗渐变线的情况下，设计了两款可进行超宽带滤波的脊型波导器件，并给出了软件仿真结果。

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Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna.

该天线采用平衡微带线作馈线，以印刷振子作为辐射单元，末端采用匹配电路对其输入阻抗进行匹配。

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it may be equivalent described as in terms of medium parameters ( electric/ magnetic dipole moment, permittivity, permeability), or in terms of transmission-line parameters ( impedance/ admittance, propagation constant, characteristic impedance).

它或可等效的应用介质参量（电/磁偶极距、介电常数、磁导率）来描述，或可等效的应用传输线参量（阻抗／导纳、传播常数、特征阻抗）来研究分析。

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