constant vector
英 [ˈkɒnstənt ˈvektə(r)]
美 [ˈkɑːnstənt ˈvektər]
网络 常量矢量; 恒矢量; 常数向量; 常數向量
双语例句
- We discuss the first order linear differential equations with constant coefficients and give a new vector method of it.
讨论一阶常系数线性微分方程组通解问题，给出一种新的向量解法。 - Broadband Constant Beamwidth Beamforming Technology Based on Acoustic Vector Array
声矢量阵宽带恒定束宽波束形成技术研究 - Identification of rotor time constant based on reactive power model in vector control system of induction motor
基于无功功率模型的异步电机矢量控制系统转子时间常数辨识 - If you take a vector field that is a constant vector field where everything just translates then there is no divergence involved because the derivatives will be zero.
如果取的向量场是处处恒定的，所有点都是平移关系，所以没有散度，因为导数为零。 - The fast and constant velocity vector generator for computer information display he can outdraw any other gunman.
计算机信息显示快速恒速矢量产生器他拔枪速度快于任何其他枪手。 - You can just multiply a normal vector by any constant, you will still get the normal vector.
一个法向量与任意常数相乘，还是法向量。 - So, even if the speed is constant, that means, even if a length of the velocity vector stays the same, the velocity vector can still rotate.
因此即使速率不变，也就是说速度矢量的的大小不变，但它的方向可以做旋转。 - So, say that you have a surface here or a curve given by an equation, f equals constant, then the normal vector to the surface is given by taking the gradient of f.
这里就有对应的曲面，或者由另一方程给出的曲线，如由f=常数给出，这时它的曲面法向量，取f的梯度就能得到。 - Variable speed constant frequency, vector control, fuzzy logic, reference reactive power of stator.
变速恒频；矢量控制；模糊逻辑；参考功率。 - The speedometer was touching 120 mph. the fast and constant velocity vector generator for computer information display
速度计显示时速达120英里.计算机信息显示快速恒速矢量产生器 - This paper proposes a novel method of detecting the rotor time constant T2 of a motor on line in terms of the vector diagram of T-I type equivalent.
依据异步电机T－I型等值电路的向量图，提出了一种实时检测异步机转子时间常数T2的方法。 - And experiment results of speed opened-loop constant V/ f and speedclosed-loop vector control were also presented based on TMS320F240 DSP in this thesis.
采用TMS320F240DSP实现了感应电机开环转速恒压频比控制和闭环转速矢量控制，给出了初步的实验结果。 - It uses a constant velocity analog vector generator and fast deflection amplifier.
该装置采用了匀速模拟式线发生器及高速偏转放大器，配有多种人-机交互手段以及脱机图形处理软件。 - Study of Constant Amplitude Composed Current Vector Uniform Velocity Micro-step Circumgyration Control Based on Chebyshev Interpolation
基于Chebyshev插值的等幅合成电流矢量匀速微步旋转控制研究 - In rotor flux orientation control, rotor time constant T2 is a key issue of high performance vector control technology.
在转子磁场定向异步电机矢量控制系统中，正确的转子时间常数是高性能矢量控制系统的关键。 - An algorithm is proposed for the accurate and efficient integration of the linear mixed hardening elastoplastic constitutive equations in finite element analysis based on the assumption of constant strain rate vector with respect to the plastic Lagrange multiplier over the time step.
基于增量段上的应变关于塑性拉氏乘子的变化率为常矢量的假定，导出一种精确有效的、对有限元分析中线性混合硬化弹塑性本构方程的积分算法。 - The method combines whitening and constant modulus algorithm ( CMA) to separate the signal vector blindly and adaptively.
该方案先利用接收信号的二阶统计特性对信号进行白化，然后利用常模算法对信号向量进行自适应的盲分离。 - According to the vector-potential of the constant current, the vector potential of the loading current circular coil and the series expression formula of the magnetic field are derived.
根据稳恒电流的矢势，导出载流圆形线圈的矢势和磁场的级数表达式。 - A constant but unknown bias vector with three gyro components and three accelerometer components is estimated by this method with successful simulation results.
在定位定向系统中应用此法估计3个陀螺和3个加速度计的未知常值偏差取得满意的仿真结果。 - The control principle of constant V/ F and the strategy of space voltage vector PWM are used.
基于此，系统采用恒压频比控制方式和空间电压矢量PWM控制策略研制了一台样机。 - The implementation scheme and design method are introduced for the time domain wideband beamforming with the constant beamwidth using vector arrays. Using the uniform linear array, a time domain implementation of the algorithm is proposed.
介绍了在时域矢量阵宽带恒定束宽波束形成的实现原理和设计方法，并以均匀等间距线阵为例，给出了时域恒定束宽算法的实现流程。 - The recursive modification algorithm is mainly based on the ideal of stochastic approximation and truncation technique to obtain modification strategy for estimated parameters, it is proved that these modification parameters turn out to be a constant vector.
其中迭代的参数修正策略主要是基于随机逼近思想和截尾技术给出了修正向量的构造算法。 - Four control structures, constant voltage-frequency ratio ( U/ f) open loop control, vector closed loop control, load pressure compensation control and speed feedback compensation control, were summarized.
变转速液压容积调速系统是一种新型容积调速回路，所采用的控制结构有四种：恒压频比（U/f）开环控制、矢量小闭环控制、负载压力补偿控制和速度大闭环反馈补偿控制。 - Depicting the Constant Sub-group with the Feature List Invariant Subspace of a Fuzzy Vector Space
特征标表刻画不变子群模糊向量空间的不变子空间 - Velocity gradient in an element is a constant vector, and the velocity at each position may be calculated by making two-dimensional linear interpolation.
单元内的速度梯度为常矢，任一位置处的速度可由二维线性插值求取。 - This dissertation gives the following experiments methods and results: rotor time constant estimation, the test of excitation current, the effect verifying of vector control algorithm. Some field assembling results are listed too.
重庆大学硕士学位论文论文给出了转子时间常数辨识、励磁电流测定、矢量控制算法验证等实验的方法和结果，也给出了现场装车实验的一些结果。 - A method was proposed to tune the rotor time constant of an induction motor in vector control.
提出一种矢量控制中异步电机转子时间常数的在线校准方法。 - And its Z-network parameter design is analyzed in detail. A new PWM control strategy& constant shoot-through vector current trail control is modified for Quasi-Z-source is presented in this thesis.
本文详细分析了Quasi-Z源逆变器的工作原理，给出了Quasi-Z源逆变器Z网络的参数设计方法，并针对Quasi-Z源逆变器提出了一种新的PWM调制策略&恒定直通电流追踪型PWM控制。 - In the first chapter of the paper, we study the case that Mn is a submanifold in a unit sphere Sn+ p with constant normalized scalar curvature and parallel normalized mean curvature vector field.
本文第一章研究具有常数数量曲率和平行单位平均曲率向量场的子流形。 - With the constant deepening of vector map in the actual application, safety vector map copyright protection and data authentication and other issues have become increasingly prominent.
随着矢量地图在实际应用中的不断深化，矢量地图的版权保护及数据认证等安全问题日益凸显。