动力学原理

• A coupled circuit composed of chaotic measuring units was studied , and the relationship between noise reduction and unit number with identical or different parameters in coupled circuits was analyzed based on symbolic dynamics
  研究由多个混沌测量单元构成的耦合系统，基于符号动力学原理，采用电路实验分析了耦合单元电路在参数相同和有些涨落时噪声抑制与混沌测量单元数之间的关系。
• At last , this paper concretely analyses our reinforced tank company ' s confronting ability of positional defense on the island by using the theory of combat power mechanics and provides some practicable advices for organization and implement of positional defense
  最后，利用战斗动力学原理具体分析了我加强坦克连岛上阵地防御时与敌对抗的能力，为战斗的组织与实施提供了一些具体可行的建议。
• In this modal pushover analysis , the seismic demand due to individual using the inertia force distribution for each mode . combining these modal demands due to the first two or three terms of the expansion provides an estimate of the total seismic demand on inelastic systems
  根据结构动力学原理，提出了首先按各振型的水平地震力进行推覆分析，然后将各振型的推覆分析结果进行组合，得到总地震作用效应。
• We get the math module according to the second law of newton and the foundation of the dynamics , analysis the force of the cart and pendulum , and adopt the concept of " the equivalent cart " . during writing the equitation of the system , the equitation has been processed by linear
  利用牛顿第二定律及相关的动力学原理等建立数学模型，对小车和摆分别进行受力分析，并采用等效小车的概念，列举状态方程，进行线性化处理，最后通过极点配置，得到变量系数阵。
• Basing on the principles dynamics system theory as well as economic and statistics , this article sets up a mathematical model for sichuan ’ s development of science and technology which contains four interacting and interacting and interdependent subsystems : the corresponding computer simulation model is framed by using vensim ple , which is designed for system dynamic only
  本文先根据系统动力学原理,结合经济学及数理统计,以四川省的科技需求、科技条件支撑、科技产出、科技转化四个相互作用、互为因果的子系统,建立起四川省科技发展能力评估的数学模型,用系统动力学的专用仿真软件vensimple构建相应的计算机仿真模型。
• This paper comes to the following conclusions after analyzing the employment of exercise biomechanics in martial arts through dynamics , static mechanics , movement principle and turning mechanics : i . dynamics principles in martial arts are mainly deal with dynamic problems in martial arts , such as the procession of how a movement take place , the state of movement and the changing of postures and also the change of forcefulness , direction and effect of force in antagonist sports , as well as how to shift force and how to save force
  本文从动力学、静力学、运动学、转动力学原理四方面分析了运动生物力学原理在武术运动中的应用，得出以下结论： ( 1 )动力学原理运用于武术运动中主要解决武术运动的动力方面问题。运动的发生、运动状态、身体姿势的改变；对抗性项目对抗时，力的大小、方向的变化及力作用的效果；如何借力；动作如何省力及腾空动作的踏跳与落地时的跌扑等，均可运用动力学中的力学原理针对性地进行分析研究。
• In this paper , truck ride performance models were founded based on vehicle dynamic . by comparing the different quarter - car and half - car model which founded by taking the trunnion suspension leaf spring as a whole body and separating the trunnion suspension leaf spring into two dynamic equivalent parts , we gained a more reasonable simplified model which comply with the factual performance
  本文根据汽车动力学原理建立平顺性动力学模型,通过对平衡悬架弹簧作为整体的车辆模型和平衡悬架弹簧分开等效处理的1 / 4 、 1 / 2车辆模型作了比较分析,得到与实际情况比较符合的简化模型。
• In the topic 1 , utilizing the natural lysimeters and drainage region in wudaogou station , based on expriment and imitation methods , frist the hydrology effect of drainage has been analyzed , and then the index of water logged farm drainage and suitable ground water level have been provided . on the theory of darcy rule and farm hydrodynamics , the standard and pattern and empirical formula of farm drainage system have been presented as well , and provide scientifically foundation for drainage planning
  在农田排水技术研究中，利用五道沟实验站地中蒸渗仪和排水试验区，采用试验法和动态模拟法，分析了排水工程的水文效应，提出了农田排渍标准和作物适宜的地下水位埋深，采用达西定律和农田水动力学原理，提出了农田排水系统的规格、布置方式及经验公式，为排水工程规划提供依据。
• This paper establishes the mathematic model according to the second law of newton and the foundation of the dynamics and analyses respective the force of cart and pendulum adopted the concept of " the equivalent cart " to linearization . the paper specialize the control ability of pendulum system using linear system theory and perform the control of the inverted pendulum applying state feedback theory through pole collocate
  本文首先利用牛顿第二定律及相关的动力学原理建立二级倒立摆的数学模型，对小车和摆分别进行受力分析，并采用等效小车的概念进行线性化处理，并运用线性系统理论分析了这个系统的能控性，提出了应用状态反馈理论，通过极点配置实现对倒立摆的控制。
• Basing on the principles dynamic system theory as well as economics and statistics , this article sets up a mathematical model for nanning ' s coordinate development which contains three interacting and interdependent subsystems : population , jobs , and houses . the corresponding computer simulation model is framed by using matlab ' s simulink and the model validity is verified
  本文根据系统动力学原理，结合经济学及数理统计，以南宁市的人口、就业、住宅为三个互相作用，互为因果的子系统，建立起南宁市区协调发展的数学模型，用matlab的simulink构建相应的计算机仿真模型。