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- nonsymmetric multivibrator 非对称多谐振荡器
- The examples of analyzing monostable multivibrator and astable multivibrator and Schmitt trigger based on 555 Timer by the method are also introduced. 文中给出了使用该方法分析由555定时器组成的单稳态触发器、多谐振荡器和施密特触发器等实例.
- Mode 1 Causes the counter to function as a retriggerable monostable multivibrator (one-shot). 模式1 使计数器作为一个可重新触发的单稳态多谐振荡器(单稳态触发器)工作。
- CD4047BC Low Power Monostable/Astable Multivibrator Data Sheet, FAIRCHILD Semiconductor Corporation, March 2002. 王醴,“工业电子学”,全威图书有限公司,民国91年。
- In nonsymmetric model, a new coordinate was set up and the 3-D numerical mode-matching (NMM) theory was introduced. 摘要在地层非轴对称条件下建立了新型的坐标系,详细介绍了计算电阻率测井响应的三维模式匹配理论。
- The efficiency of the presented method is demonstrated through considering two nonsymmetric damped systems. 最后以两个非对称阻尼系统进行数值试验,数值结果表明提出的方法是有效的。
- A monostable multivibrator using tunnel diode is described,with which a positive pulse of 0.3 ns is stretched to a 4 ns ECL signal. 分析了缺口提取电路中处理快速信号的隧道二极管单稳态电路原理;该电路可以将0.;3 ns的正脉冲展宽到4 ns的ECL电平脉冲。
- By using a monostable multivibrator consist of 555 timers, a circuit of threshold processing PWM signal's duty cycle is proposed. 采用555定时器构成单稳态触发器,设计出一套PWM波形占空比门限处理电路。
- This paper brings forward a method of threshold processing PWM signal s duty cycle by employing monostable multivibrator. 提出了采用单稳态触发器对采集的PWM波形进行占空比门限处理的方法。
- Parallel computation for the nonsymmetric generalized eigenvalue problem is one of the fundamental problems in large scale engineering computation. 非对称矩阵广义特征值问题的并行计算是大规模工程计算中的基础问题之一。
- The calculation of the nonsymmetric subsonic flow filed about an aircraft is more complicated and more difficult than that in the symmetric case. 飞机亚因 素非对称运动流场特性计算比对称运动情况更为复杂,难度更大,国 内尚属首次。
- In current literature, the operation of a magnetic-coupled multivibrator is usually explained on the assumption of magnetic saturation. 现有的关于磁耦合多谐振荡器的不少文献,是用磁饱和现象来说明问题的。
- A method for calculating the first and second order derivatives of eigenpairs of nonsymmetric damped systems is presented. 摘要提出了一种计算非对称阻尼系统特征对一阶、二阶导数的方法。
- Three-dimension (3-D) Numerical Mode-Matching (NMM) is selected to deal with resistivity logging responses in nonsymmetric conditions. 摘要采用模式匹配法研究了非轴对称条件下普通电阻率测井响应。
- The sensor has differential symmetric structure with single nanocrystalline core and double coils excited by multivibrator bridge. 它利用多谐振荡桥励磁的单纳米晶磁芯双绕组差动对称结构。
- The characteristic equation of nonsymmetric oil jar of the manipulator is derived from the matching nonsymmetric proportional direction control. 对于机械臂各连杆的非对称油缸,推导出当采用与之相匹配的非对称比例换向阀控制时的特性方程。
- The analysis shows that the contact region and the bearing stresses around the nonsymmetric pin-loaded holes in plate present significant non-symmetry. 分析 还表明,在偏心连接或载荷作用线偏离板件弹性主轴等非对称情况下 ,孔边接触区及接触挤压应力分布呈现明显的非对称性。
- Finally, we extend the support theory of symmetric positive definite matrices to general (including indefinite and nonsymmetric) matrices. 最后,我们将适用于对称正定矩阵的支撑理论推广到一般的矩阵(包括不定的和非对称的矩阵)。
- On the other hand, the standard Galerkin methods result in a nonsymmetric system of equations, which are diffucult to be solved. 而传统的Galerkin方法形成的刚度矩阵是非对称的,因此所形成的方程组不能采用快速迭代方法,给求解带来困难。
- Considerable progress has been made over the past decades towards the numerical solution of large scale nonsymmetric problems. 最近一、二十年来,在大型非对称 矩阵特征值问题的数值求解方面已经取得了巨大的进展。