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电力系统静态稳定计算一般采用小干扰法,即首先计算近似的线性微分方程组系数矩阵的特征根。然后根据特征根在复平面上的特性,判别电力系统运行的稳定性 操作说明: 请输入初始功率S0,形如a+bi 请输入无限大系统母线电压V0 请输入系统直轴等值电抗的大小Xd 请输入同步电角速度 请输入惯性时间常数Tj 请输入综合阻尼系数D-static power system stability calculation generally use small interfering, first, calculate the approximate linear equations of the coefficient matrix eigenvalue. According eigenvalue in the complex plane on the characteristics of the identification operation of the power system stability operations : Please enter the initial power S0, shaped like a bi Please enter the infinite system bus voltage V0 Please enter the system straight axis equivalent reactance the size Please enter synchronous Xd Please enter the angular velocity-- inertia time constant Tj Please enter the integrated damping D
Date : 2025-12-23 Size : 1kb User : 魏鹏

高分辨率要求系统具有大的带宽,瞬时带宽的增加必将提高系统对硬件的要求,本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽,使成像具有高分辨率,采用加窗和补零方法提高信噪比,但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率,使距离像细化,并用公式说明了补零只能提高距离取样分辨率,并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感,使目标能量分散到邻近的距离单元造成距离分辨率下降,如果不事先进行速度补偿,直接对回波信号进行逆傅立叶变换,将使所成一维距离像发生频谱展宽,并伴有距离像发生平移。本文证明了当目标有径向速度时仍采用对回波信号直接进行逆傅立叶变换的方法将使一维距离像发生频谱展宽并伴有距离像发生频移,从而严重影响了一维距离像的质量。-high-resolution requirements of the system with large bandwidth, the increased instantaneous bandwidth will improve the system of hardware, In this paper, a flexible and convenient step frequency signals. Pulse frequency step-pulse waveform through the carrier frequency step to achieve great changes in the effective bandwidth. make imaging with high resolution, increasing the window and fill methods to improve signal-to-noise ratio is, However, the signal on the target radial velocity is very sensitive. Using zero-distance sampling method to improve resolution, so that distance as refinement, and formulates a zero-distance sampling can improve resolution, does not alter the frequency of the signal from stepping resolution capabilities. The signal waveform on the target radial velocity sens
Date : 2025-12-23 Size : 2kb User : 石榴石

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边坡稳定上限解程序EMU,用C语言编写,程序可以计算速度场,进行功能平衡计算获得安全系数或加载系数。-Upper-bound solution procedures for slope stability EMU, using C language, the program can calculate the velocity field, functional balance calculation to obtain the safety factor or load factor.
Date : 2025-12-23 Size : 668kb User : 向虎

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The program md.f implements a simple molecular dynamics simulation in continuous real space. The velocity Verlet algorithm is used to implement the time stepping. The force and energy computations are performed in parallel, as is the time integration. (The program uses some Fortran90 features, so an F90 compiler may be needed.)
Date : 2025-12-23 Size : 2kb User : danielwood

通过设置物体的位置和速度信息,可以对物体跟踪,达到预测物体位置的目的。-By setting the object position and velocity information, can track objects, to locate objects prediction purposes.
Date : 2025-12-23 Size : 4kb User : 张瑞娟

九维的卡尔曼滤波跟踪算法,包括xyz三方向和各方向的位置,速度,加速度。-Nine-dimensional Kalman filter tracking algorithm, including the three xyz direction and the location of the direction, velocity, acceleration.
Date : 2025-12-23 Size : 2kb User : 郑光海

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流体在矩形管道内的温度场、速度场、压力场的数值计算。-Fluid in the rectangular tube of the temperature field, velocity field, pressure field of the numerical calculation.
Date : 2025-12-23 Size : 4kb User : 穆文志

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使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the signal backscattered from the ground is often several orders of magnitude greater than the target echo. To resolve the target, coherent signal processing techniques are necessary, detecting the target echo by virtue of the Doppler shift caused by the target’s radial velocity. Unfortunately, movement of the ionospheric layer by which the radar signal has propagated often causes the clutter spectrum and target to spread in the frequency domain, rendering extended coherent integration pointless. The movement of the ionosphere can be regarded as producing frequency modulation of the radar signal, and thus if this modulation can be estimated the radar signal may be corrected for the ionospheric contamination. A technique using the complex argument of the first-order mo
Date : 2025-12-23 Size : 601kb User : sunrong

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code which produces plots of grid, velocity vectors, profiles of velocity components or temperature, contours of pressure, temperature or streamlines, and colour filled contours for pressure, temperature or streamfunction.
Date : 2025-12-23 Size : 11kb User : payam

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求解速度压力耦合的Simple半隐式迭代方法,该方法在计算流体动力学中应用极为广泛-To solve the pressure velocity coupling Simple semi-implicit iterative method, the method applied in the Computational Fluid Dynamics an extremely wide range of
Date : 2025-12-23 Size : 240kb User : 李志峰

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回波信号的时间和空间相关处理来进行相关测速原理的仿真验证:有三个子界面 分别为时间相关测速、空间相关测速、二维相关测速-Echo signal in time and space-related processing to carry out the relevant principles of simulation speed: There are three sub-interface, time-dependent velocity, respectively, space-related speed, two-dimensional correlation velocity
Date : 2025-12-23 Size : 79kb User : 田宝晶

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射线声学理论中的水下正负两种声速梯度时收发换能器合置接收的程序,-Underwater acoustic ray theory both positive and negative velocity gradient transducers when the transceiver set to receive combined procedures,
Date : 2025-12-23 Size : 10kb User : 田宝晶

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This code produces plots of grid, velocity vectors, and profiles, contours lines and color fills for any quantity.
Date : 2025-12-23 Size : 11kb User : souheil

Paper about a new close loop current model flux observer to estimate the rotor flux, position and velocity of an induction machine. The current observer includes carefully designed sliding mode functions which are derivative of the fluxes along the and axes. Therefore, when the estimated current converges to the measured one, the flux estimation is a mere integration of the sliding mode function.
Date : 2025-12-23 Size : 473kb User : gregbur

蒙特卡罗模拟随机数是最好的方式,本程序设计在552nm脉冲后,再一左一右的657nm冷却脉冲,测试激发达到100 的概率,尤其考查蓝、绿及近红外波段-MATLAB 6.5 Monte Carlo simulation cool3.m This simulation cycles "num" number of atoms "steps" times, with a cooling sequence of a 657 nm cooling pulse from the right, then a 657 nm cooling pulse from the left, followed by a 552 nm quenching pulse. Then the sequence is repeated with cooling pluses first incident from the left. Switching the pulse direction order helps maintain symmetery in the resultant velocity distribution. The probability of quenching the excited state is no longer 100 , it is "percent" Random blue, IR, and green photon recoil kicks have been included in the simulation due to the quenching.
Date : 2025-12-23 Size : 6kb User : huhoo

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cape是计算对流有效位能和对流抑制能的一个fortran。广泛应用在大气科学计算大气垂直速度的诊断分析中。-cape is the calculation of CAPE and convective inhibition energy of a fortran. Widely used in calculation of the vertical velocity of atmospheric science and diagnostic analysis.
Date : 2025-12-23 Size : 2kb User : df adf

卫星轨道动力学数值计算,包括轨道动力学计算的基本数学模型、轨道计算方法、轨道根数与位置矢量、速度矢量的关系等!-Satellite orbit dynamics numerical calculation, including the orbital dynamics calculation of the basic mathematical model, orbit calculation, orbit and position vector, velocity vector of the relationship!
Date : 2025-12-23 Size : 247kb User : 源泉

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Program to calculate the response in velocity an displacement using Duhamel in single degree of fredom
Date : 2025-12-23 Size : 2kb User : Xmay

在fluent中入口风速随高度成指数变化-Fluent in the inlet velocity with a high degree of exponential change
Date : 2025-12-23 Size : 5kb User : 何卫兵

使用MATLAB计算粒子速度分布 ,绘制了与理论值比较的曲线,得到较好的仿真结果-MATLAB to calculate the particle velocity distribution
Date : 2025-12-23 Size : 2kb User : 江女士
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