1、

In this paper, relations between the Eulerian angles ε, γ, ψ, of a rotation-cut crystal plate and its indices of crystal plane are deduced, thus providing the bases and methods for cutting and orientating of actual crystal plate in the electro-acoustic technique.

本文导出了各种旋转切割晶片欧拉角εγψ与晶片表面结晶面网指数hkl的关系,为电声应用中实际晶片的切割与定向提供了方法和依据。

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2、

From the basic formula of coulomb force and ampere force, together with the concept of electric stress tensor, the mathematic formula of electric force and magnetic force is deduced in this article.

从库仑力和安培力的基本公式出发,引用电应力张量和磁应力张量的概念,导出计算电场力和磁场力的简单数学表示式。

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3、

Study on Regional Distribution Character of Railway Deduced Noise and Its Countermeasure

铁路次生噪声的区域分布规律与防治对策研究

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4、

Characteristics of the scattering parameters for two parallel microstrip lines are analyzed based on microwave network principle. Relation between the frequencies where crests and troughs occur in the insertion loss or the far-end crosstalk and propagating delays of odd-and even-modes, the parallel length is deduced.

根据微波网络理论,对两根平行微带线的散射参数进行了研究,推导出了插入损耗和远端串扰的幅频曲线中波峰、波谷点频率与奇偶模的传播时延、互连线长的关系。

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5、

Under the condition that the engaged line initial displacement is influenced by modified tooth form, the formulas of the flow pulse rate of the second type compound gear pump was deduced.

简要说明了修正时对啮合点初始位移的影响,给出了修正齿形的第2类复合平衡齿轮泵流量脉动率公式。

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6、

The unit impulse response, transmission function and equivalent noise bandwidth of the system are deduced;

导出了系统的单位冲激响应、传输函数和等效噪声带宽;

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7、

The calibration system of sensor is designed and realized. Sensors in the unmanned aerial vehicle system such as attitude angle sensor, barometric height sensor and airspeed sensor are calibrated times without number. Each of their stationary models is deduced.

设计实现了传感器标定建模,以无人机系统中倾角传感器、气压高度传感器和空速传感器等为例,进行了传感器数据的标定拟和,得到了各传感器的静态模型。

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8、

Replacing the equation of the quasi-static isothermal process by the quasi-static polytropic process of the ideal gas, the barometric formula of polytropic process is deduced, which is better improvement on the barometric formula of isothermal process.

用理想气体的多方过程方程取代等温过程方程,推导出气体处于多方平衡过程时的气压公式,该公式是对气体等温气压公式的一种很好的修正。

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9、

First, the similarity criterion of the model test was deduced according to similarity theory.

首先根据相似理论,推导模拟试验的相似准则;

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10、

Using probability theory and a Matlab-based program, the reliability distribution models was deduced from the braking distance data.

利用概率知识,基于Matlab进行编程,由一组关于刹车距离的数据推断出可靠性分布模型,并对其进行了仿真。

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13、

Basic principles of hydromechanics applied, a formula to calculate the parameter of the distributing plate is deduced.

应用流体力学基本原理,得出了形成稳定液位的分布板结构设计的计算公式。

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14、

A mathematical model of transient electric field is deduced, which takes dielectric polarization loss and displacement current into account.

推导出了考虑介质极化损耗和位移电流情况下暂态电场计算的数学模型。

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15、

Starting from the exact differential equations of the circular cylindrical thin shells set by W · Flugge, this paper makes a study of the characteristic equation of the open circular cylindrical thin shells deduced by F · Dischinger.

本文直接从弗留盖(W.Flügge)建立的圆柱形薄壳的位移的精确微分方程出发,分析研究了由迪辛盖尔(F.Dischinger)导出的开口圆柱形薄壳的特征方程。

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16、

In this paper characterstic function of optics was studied and property of symplectic structre was deduced from the characteristic function by using the opertion of exterior differentiation.

本文研究光学特征函数,利用外微分运算,由光学特征函数导出了光的辛结构性质。

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17、

The circular Jones vector ′ s transformation in coordinate conversion was presented by using Cartesian Jones vector ′ s transformation in coordinate conversion. And on the basis of it, the expression for quartz ′ specific rotation was deduced.

通过笛卡尔琼斯矢量在坐标旋转下的变换,提出了圆琼斯矢量在坐标旋转下的变换,进而以石英为例推导出旋光率的具体表达式。

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18、

A general eigen function was deduced for computing global buckling load combined with a Rayleigh-Ritz method.

结合Rayleigh-Ritz能量近似法,推导出了求解加筋板总体屈曲载荷的通用特征方程;

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19、

In the last chapter, oscillations of a system of hyperbolic equations are deduced from the corresponding properties of an ordinary differential inequalities by using eigen function and Green formula, etc.

第五章研究了一类脉冲时滞双曲方程组,利用符号函数,特征函数,Green公式等有力工具将其解振动与否转化到讨论一类脉冲微分不等式是否有最终正负解来研究。

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20、

In this paper, two methods of calibrating the tip area function will be deduced.

本文将阐述两种方法来校准针尖面积函数。

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