In other words if you say, how many vibrations are there in the lattice, well if there are N atoms, each atom in the gas phase would have three degrees of freedom.
换句话说,你会问经各种有多少振动,如果有N个原子,气相中的每个原子有,3个自由度。
Then if I change to the triple point, where the number of phases is three, then the number of degrees of freedom 2 is one minus three is minus two, two plus two is zero.
如果考虑三相点,这里有三个相,那么自由度的数目,为1减去3得负,再加上2等于零。
The program for solving the radiation fluid dynamics coefficients is worked out by using computer language FORTRAN77 considering the ship motion of three freedom degrees.
本文针对上述三个自由度的船舶运动,采用FORTRAN 77语言编制了辐射流体动力系数的计算机程序。
The small perturbation method and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
应用微扰方法和有限元法,对端面气膜密封三自由度微扰下,密封气膜的刚度和阻尼系数进行了数值求解。
The principle, structure, design and calculating methods on micro displacement worktable with three degrees of freedom supported by elastic guides are presented.
介绍了一种以弹性导轨为支承的平面三自由度微动工作台的原理、结构、设计计算方法及闭环控制的基本原理。
A detection system is developed to measure the three freedom degrees displacements of planar stage.
为了实现平面工作台三自由度位移的同步检测,研制了图像处理位移检测系统。
This paper investigates the measurement principle and model of a parallel dual-joint coordinate measuring machine (PD-CMM) which has three degrees of freedom (DOF).
该文探讨了一种三自由度(DOF)平行双关节坐标测量机的测量原理和测量模型。
A three freedom degrees mathematical model of a pair of involute spur gear transmission system is built using the lumped mass method, based on gear meshing theory and vibration impact theory.
本文基于齿轮啮合原理及振动冲击理论,采用集中质量法建立了由一对渐开线直齿圆柱齿轮组成的传动系统三自由度数学模型。
If the body is restricted to motion in a plane, there are three degrees-of-freedom: translation in two coordinate directions and rotation within the plane.
如果该机构是限制于在一个平面运动,那有三个自由度:直线运动在两个坐标方向和在平面内的旋转。
In this paper, a novel planar three degrees of freedom parallel machine tool is proposed. Closed-form solutions are developed for the inverse kinematics.
提出一种新型的平面三自由度并联机床,分析了该机床的两类构型奇异问题。
The biggest upgrades from the original Robonaut are R2's thumb, which now have four degrees of freedom (as opposed to three), and its overall speed, which have improved by a factor of four.
相比原始的机器宇航员,R 2最大的升级是拇指和整体速度;现在的拇指具有四个自由度(之前只有三个),同时速度通过四个因素进行了提升。
Based on this unusual structure, control current should satisfy certain restriction conditions to improve the stability of three degrees of freedom suspended passively.
基于这不寻常的结构,控制涌流应该使特定的限制情况满意改善被消极地中止的自由的三度的安定。
The idea of control degrees of freedom combination and the validity of the novel PWM strategies are demonstrated by simulation and experimentation of three-level inverter and five-level inverter.
为了验证所提出的控制自由度组合的思想和新型的PWM控制方法,对二极管箝位型三电平逆变器和五电平逆变器进行了仿真和实验研究。
On the basis, a novel decoupling hydraulic servo joint with three degrees of freedom is designed.
在此基础上,设计了一种三自由度运动解耦液压伺服关节。
The invention has three freedom degrees and realizes the simulation of the movement of single eye of a person basically.
本发明具有三个自由度,基本实现了模拟人单眼的运动。
Aiming at one kind of three degrees-of-freedom motion platform, a complex mechanism model is completed in AD - AMS which making the whole movement of motion platform visualization.
针对一种三自由度运动平台,实现了复杂机械在ADAMS中的虚拟样机建模,使运动平台的整个运动过程直观化,并对建立的虚拟样机模型进行仿真。
Aiming at one kind of three degrees-of-freedom motion platform, a complex mechanism model is completed in AD - AMS which making the whole movement of motion platform visualization.
针对一种三自由度运动平台,实现了复杂机械在ADAMS中的虚拟样机建模,使运动平台的整个运动过程直观化,并对建立的虚拟样机模型进行仿真。
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