不变性原理的英文

• principle of invariance

• "不变性"英文翻译    invariance; invariance prope ...
• "原理"英文翻译    principle; tenet; axiom; the ...
• "绝对不变性原理" 英文翻译 :    absolute invariance principle
• "量纲不变性原理" 英文翻译 :    principle of dimensional invariance
• "坐标不变性原理" 英文翻译 :    principle of coordinate invariance
• "不变性原则" 英文翻译 :    invalid principle; invariance principle
• "协变性原理" 英文翻译 :    principle of covariance
• "射影地恒等射影不变性原理" 英文翻译 :    projectively identical
• "广义协变性原理" 英文翻译 :    principle of general covariance
• "不变性" 英文翻译 :    invariance; invariance property; constantness◇不变性原理 invariance principle
• "不变,不变性" 英文翻译 :    immutability
• "变性原肠胚" 英文翻译 :    metagastrula
• "不定性原理" 英文翻译 :    uncertainty principle
• "单调性原理" 英文翻译 :    monotonicity principle
• "单一性原理" 英文翻译 :    unicity principle
• "弹性原理" 英文翻译 :    elastic theory
• "等效性原理" 英文翻译 :    equivalence principle; principle of equivalence
• "电中性原理" 英文翻译 :    charge-neutrality principle; electroneutrality principle
• "对偶性原理" 英文翻译 :    duality principle; principle of duality
• "复合性原理" 英文翻译 :    principle of compositionality
• "附加性原理" 英文翻译 :    complementarity principle
• "惯性原理" 英文翻译 :    inertia
• "规则性原理" 英文翻译 :    neogrammarian principle
• "互补性原理" 英文翻译 :    principle of complementarity
• "互反性原理" 英文翻译 :    reciprocity principle

• Absolute invariance principle
  绝对不变性原理
• Invariance principle and state feedback stabilization of invariant sets of switched systems
  切换系统的不变性原理与不变集的状态反馈镇定
• Using structure invariance principle , control link is designed to eliminate surplus force and to improve the control performance of loading system
  采用结构不变性原理设计控制补偿环节克服多余力干扰，改善电液负载仿真台的控制性能。
• By applying the structure invariant theory in the control strategy , the feedforward - feedback control theory is applied in the control system design to reduce the redundant force
  论文从控制系统的结构方面，利用结构不变性原理，针对位置扰动设计专门的前馈补偿控制器，减小位置扰动的影响。
• Based on the previous work and current research , we have made the following work : ( 1 ) for robustness against jpeg compression , we analyze the invariant properties theorem during jpeg compression which was proposed in previous work , then proposed an improved scheme . based on those work , we design a watermarking algorithm , which has robustness against jpeg compression with common quality factor . in addition , the proposed algorithm can perfectly detect the watermarks without degrading the visual quality of original image
  根据不同的应用需求设计相应的水印算法是鲁棒性水印的研究方向，根据这些特点，本文在前人研究的基础上，完成了以下工作： ( 1 )本文就抗jpeg压缩的水印设计进行了研究，通过分析前人提出的jpeg压缩不变性原理，发现了其在实际应用中会出现的问题，并对之提出了改进的方案，在此基础上，设计了一种水印算法，可以对所有常用质量因子的jpeg压缩都免疫。
• Loading grads is another non - structure coefficient influencing loading characteristics except loading frequency . the low grads characteristics are analyzed deeply by simulation , and found that applying structure invariance principle with acceleration compensation can reduce loading grads effectively . the dissertation also simulates and compares the systems with connect hole of different size , and founds that the size of connect hole has an optimized value
  加载梯度是除了加载频率之外另一个影响加载性能的非结构上的参数,论文作了大量的仿真分析来研究小梯度加载特性,得出了具有加速度补偿的结构不变性原理可以有效的降低小加载梯度时的多余力矩的影响;通过对具有不同的总压力流量系数的系统的仿真比较,得出了连通孔的大小在不同工况下存在一个最优的值,其开度需要合理的选择。
• Based on the mathematical expression , the paper researches the factors which influence the surplus force . a feed - forward compensation method with the structure invariance theory is brought forward and it effectively reduces the surplus force . the paper analyses the coupling of multi - channel harmony loading system and constructs its mathematical model
  论文结合多余力产生的机理以及多余力产生的数学表达式，研究了影响多余力的因素，采用结构不变性原理对其进行了前馈补偿，仿真效果表明，采用的控制策略是可行的。
• So how to minish the surplus torque by selecting proper control strategy is a main aspect discussed in this paper . by applying the structure invariant theory in the control strategy , an equivalent structure invariant loading system is produced , which proved to be very effective in reducing the redundant force
  论文阐述了多余力产生的机理，研究了影响多余力的因素，在控制策略方面，采用了结构不变性原理，建立加载系统等效的结构不变性系统，从根本上来减小多余力的影响。
• Also it is discussed how to improve loading performance and the actual results using invariance theory . by the feedforward signals of velocity and acceleration , it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent . in this thesis , i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system
  本文的目的就是设计、调试带有弹簧杆缓冲结构的单通道电液伺服加载台，通过试验比较、验证不同控制算法的工程实际效果；分析和研究应用结构不变性原理如何改善加载系统的动态性能，目的是通过引入速度和加速度的复合前馈信号将系统的动态频带提高到15hz左右，并且有效的抑制力加载系统固有的多余力矩，抑制比要达到80以上。
• Pitch control system consist of three channels which is formed by three drive units . base on need of bench , drive system scheme is designed . single channel three - loop position servo system which is formed by linear motor is simulated . then kinetic behavior of rotor and system ’ s force coupling relation is analyzed . a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory
  根据实验台的技术要求,设计了整个驱动系统方案。对由直线电机构成的单通道三环位置伺服系统进行了设计和仿真。分析了旋翼运动的动力学特性、系统力耦合关系,并根据结构不变性原理对由旋翼运动产生的动态载荷提出了补偿方法。