Applying the software of MATLAB we compute and analyze the minimum film thickness of the involute super geared transmission based on the formula of Dowson Higginson and obtain the relations between the minimum film thickness and the transmission ratios the meshing positions and the modulus .

以润滑理论中的Dowson-Higginson 公式为基础，以Matlab应用软件为工具，对渐开线直齿轮 传动的最小油膜厚度进行了分析，获得了最小油膜厚度随传动比、啮合位置和模数的变化规律。

Development of Automatic Transmission Fluid and Its Formula Selection

汽车自动 传动液的发展现状及 配方筛选

Based on the theory of impedance transform of transmission line as well as a mathematical inequality from the parallel and coaxial transmission lines a mathematical formula for the impedance of the soil probe was developed .

本文依据高频 传输线阻抗变换理论与数学分析中夹逼定理的思想，提出了一种土壤探针阻抗计算 模型。

This paper describes that a pair of involute gears is generated using model and mechanism functions of UG software including transmission of involute formula creation of expressions and drawing steps and finally simulation of gearing .

本文阐述了利用UG软件的建模功能和机构分析功能生成－对渐开线齿轮，包括渐开线 公式 转换、表达式建立以及绘制步骤，并仿真其啮合过程。

The characteristic impedance of signal lines in low and high frequency of expressions are derivated in this chapter . And it summarizes the types of signal lines and the advantages and disadvantages of commonly used transmission line characteristic impedance formula .

在本章中，推导了信号线在低频及高频时特性阻抗表达方式；概括出信号线的种类和优缺点，及常用 传输线的特性阻抗 公式。

Proceeding with the transmission line theory the analytic formula of the input impedance for the printed IFA ( inverted F antenna ) is educed and the regularity of its impedance variation with its horizontal branch length is studied .

从 传输线理论入手，推导出印制IFA输入阻抗的解析 式，并据此分析其输入阻抗随其水平分枝长度变化的规律。

In addition a useful wave transmission coefficient formula is put forward which base on the investigation production it can be referred in actual application .

本文在上述研究成果的基础上，提出了较为实用的挡板透空式防波堤 透浪系数的 计算 公式，在实际应用中可供参考。

Using the input impedance behavior of the transmission line the distance-determining formula has been deri - ved .

使用 传输线的输入阻抗特性导出定矩 公式。

A modified transmission coefficient formula is derived based on the linear small amplitude wave theory and calculation results are in good agreement with the test results .

并按线性小振幅波理论，导出了改进的 透射系数 计算 式，其计算结果与试验值符合良好。

In this paper the sound absorption of underwater multi-layered composite structure influenced by material performance and geometrical parameters is discussed using transmission matrix . Theoretical formula of absorption coefficient is given and emulation calculation is developed .

采用 传递矩阵方法研究了材料特性、几何参数对水下多层均匀复合结构声学性能的影响，给出了吸声系数的理论 公式并开展了计算仿真。

Transient analysis of nonuniform transmission lines using Simpson integration formula

基于辛浦生积分 法的非均匀 传输线瞬态响应分析

Near-field far-field transformations are used by the data measured on a sphere surrounding test antenna based on the transmission formula with probe correction .

从含探针校准信息的 传输 方程出发，对天线球面扫描测量的数据进行球面近远场变换。

Multi-membered transmission units are reduced to two types of transmission units . Universal formula in the calculation of transmission velocity ratio of mechanisms having multiple structural components using the unit method was obtained .

经过将多构件机构中的传动形式归纳为两种 传动单元，推导出用传动单元法计算多构件机构传速比的通用 公式。

How to use the Transmission Line Length Calculation Formula in Reconstruction Engineering

线长计算 公式在改造工程中的应用

The transmission coefficient in the current formula is relevant to the electronic structure of molecule and the interaction between the molecule and the metal .

电流 公式 中 的 透射系数是和分子的电子结构以及分子与金属的相互作用能有关的。

As an example a special A type radome is computed with numerical method of four ports transmission formula and basic dielectric plane theoretics . And the different between two methods is compared .

计算了一种典型的A夹层结构的四端口 网络 理论 值与基本电介平板理论值，并进行了比较。

Then the problem is transformed to that of finding the current or voltage of these transmission lines which can be solved easily by only one transmission line formula .

这样问题转化为求解等效传输线的电流与电压，因而对于这类问题用一个统一的 传输线 公式即可得到各种情况的解，从而使 推导变得非常简便。

The results show that the visible light spectrum transmission ratio and the mean transmission ratio under standard U.S. atmospheric conditions can be favorably described by the metrological visible range transmission ratio formula but the adaptability to ultraviolet and infrared wave bands needs to be treated with caution .

结果表明：气象学能见距离 透射比 公式可以较好地描述美国标准大气下可见光的光谱透射比和平均透射比，但其向紫外和红外波段的适用性需要慎重处理；

Based on the measured values of two operating transmission lines ( one for purified gas the other for raw gas ) the formulae for calculating their hydraulic friction coefficients are analysed fitting is made and their gas transmission formula is derived .

利用两条运行管道（一条输送净化气，一条输送原料气）的实测值，分析拟合出其水力摩阻系数计算公式，从而得到了适合这两条管道的 输气 公式。

This paper focuses on the basic principle transmission ratio formula construction design kinematics analysis meshing theory analysis digital simulation and NC manufacturing of mail elements for nutation drive .

本文以双圆弧螺旋锥齿轮章动传动原理、 传动比 计算、结构设计、运动学分析、啮合理论分析、数字化仿真和关键零件的数控加工等基本问题为研究目标，主要完成了以下工作。

Preliminary Study on Morgan Transmission Capacity Simplified Formula of Transmission Lines

输电线路摩尔根载流量简化 公式的初步研究

The characteristics of long-period grating ( LPG ) flattening filter are analyzed based on transmission formula and the Er ~ ( 3 + ) / Yb ~ ( 3 + ) co-doped double-cladding fiber amplifier using tapered bundle coupling configuration is experimentally researched .

根据长周期光纤光栅（LPG）的 透射 谱 公式，分析了长周期光纤光栅均衡滤波器的特性，并对Er3+/Yb3+双包层光纤和集束熔锥耦合结构的光纤放大器进行了实验研究。

The author attempts to derive the transmission loss formula for a rather complicated power system having multiple load points .

作者企图从动力系统最基本的功率 传送 方程出发，来推导具有多个负荷中心的复杂动力系统的网损 计算 公式。

Under the constraint condition of spherically symmetrical shock wave transmitting in free space a laser plasma shock wave transmission formula at mediate and far field is given .

根据球形对称冲击波在自由空间中传播的约束条件，提出了空气中激光等离子体冲击波在中远场的 传播 公式。

As to the nonhomogeneous shaft with variable cross section we may divide it into many mini segments and then deduce a transmission formula utilizing the continuous condition between each segment and finally the natural frequency can be found by the use of boundary conditions .

对于非均质变截面轴，可以把它划分为很多微段，然后，利用段与段之间的连续条件推出一个 传递 公式，最后，利用边界条件可将固有频率求出。

Besides a regression analysis is made on the experience formula and a suitable transmission formula of blasting earthquake wave in this location is obtained . So it can achieve an appropriate permission section dose for stone blasting according to the request for the house protection .

同时对经验公式进行回归分析，得出适宜该场地爆破地震波 传播 公式，以便在实际中根据房屋保护要求，给出石方爆破的允许段药量。

Because of the complexity of the impedance transformation formula of transmission lines the formula could not be used directly to design the single-stub tuner .

由于 传输线阻抗变换 公式的复杂性，一般情况下不能直接使用它进行短截线阻抗匹配器的设计。

The transmission ratio formula of harmonic drive with external wave generator is deduced first .

推导出具有外置波发生器的谐波齿轮 传动比的 计算 公式；

The double circular-arc as the basic tooth profile of helical bevel gears for nutation drive is proposed . Based on nutation principles transmission ratio formula and the kinematics properties analysis of whole reducer for nutation drive have been obtained .

提出双圆弧齿形作为章动传动螺旋锥齿轮的基本齿形，根据章动原理推导出了章动传动的 传动比 计算 公式，完成了章动传动的运动学特性进行分析。