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获取当前系统时间,然后向后或向前多少天时间-access to the current system time and then move forward or backward the number of days
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HMM模型训练用的Forward-Backward Algorithm,包括几年WAV文件和测试用的TCL脚本文件-HMM training with the Forward-Backward Algorithm. years, including WAV and test the TCL scr ipt file
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因为151即是一个质数又是一个回文数(从左到右和从右到左是看一样的),所以 151 号是回文质数。
写一个程序来找出范围[a,b](5 <= a < b <= 100,000,000)间的所有回文质数 -The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backw
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Feature Selection using Matlab.
The DEMO includes 5 feature selection algorithms:
• Sequential Forward Selection (SFS)
• Sequential Floating Forward Selection (SFFS)
• Sequential Backward Selection (SBS)
• Se
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cholesky分解是用于将一个对称正定的矩阵分解为一个上三角与一个下三角矩阵乘积的形式,可运用于回归系数求解,线性方程组求解中
逐步回归是在回归分析的建模过程中用于变量筛选的有效方法,这里同时进行了向前和向后回归,效果更加显著(Cholesky decomposition is used to decompose a symmetric positive definite matrix into an upper triangle and a lower triangular matrix
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采用C51平台,控制步进电机正反转,方便移植到其他平台,代码简单已实现。(Using the C51 platform, the control step motor is forward and backward, which can be easily transplanted to other platforms. The code is simple and implemented.)
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这个是用汇编语言编制的一个程序来实现步进电机的正转和反转(This is to use assembly language compiled a program to realize the stepper motor is forward and backward)
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空间平滑算法实现对阵列相干信号的到达角估计,包括前向与后向空间平滑法(The spatial smoothing algorithm can estimate the DOA of coherent array signals, including forward and backward spatial smoothing)
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C++实现dnn,可以进行训练和测试,适合初学者(The dnn is developed by c++, it includes the forward and backward process, you can use it for training.)
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由π型模块级联成的简单电网作潮流计算的一种情况:已知始端电压和末端复功率及电网各处参数,利用前推回代法求始端复功率和末端电压(A simple power grid cascaded by PI module is used for power flow calculation: the initial terminal voltage and terminal complex power and the parameters of the grid are known. The forward
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通过前推回代法对相应节点网络进行潮流计算(Power flow calculation of the corresponding node network by forward and backward generation method)
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无人机采用超声波,实现左右前后上下全方位壁障!(UAV uses ultrasonic to realize left and right forward and backward omni directional barrier!)
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在用户最近访问的网页中进行“前进”和“后退”是Web浏览器的常用功能,实现该功能的一种方式是使用两个栈(backward 栈和forward栈)来存储用户访问的网址。?后退(BACK):如果backward栈为空,则该命令被忽略。否则,将当前页面压入forward栈,并从backward栈中弹出一个页面作为当前页面。
?前进(FORWARD):如果forward栈为空,则该命令被忽略。否则,将当前页面压入backward栈,并从forward栈中弹出一个页面作为当前页面。
?访问某网址(VI
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波动方程离散化后中心差分与向前、向后差分精度的比较(Comparison of difference accuracy between center difference and forward and backward)
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51单片机控制的循迹避障小车,支持红外遥控,可以实现前进后退左右和循迹切换(51 single-chip microcomputer to control the vehicle obstacle avoidance tracking, support infrared remote control, can achieve forward and backward about tracking and switching)
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实现33节点前推回代法,可实现弱环网计算。(The 33 node forward and backward substitution method is realized, and the calculation of weak ring network can be realized.)
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手机蓝牙控制小车运动,实现前进、后退、加减速、转弯等功能。(Mobile Bluetooth controls trolley movement, and achieves functions of forward and backward, acceleration and deceleration, turning and so on.)
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直流无刷电机的控制和驱动,可以使电机正反转。(The control and drive of Brushless DC motor can make the motor rotate forward and backward.)
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这个程序可以很好的实现用软件控制电机正反转的功能(This program can well realize the function of controlling the motor forward and backward by software.)
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前推回代法已知配电网的始端电压和末端负荷,以馈线为基本计算单位。
最初假设全网电压都为额定电压,根据负荷功率由末端j向始端k逐段推算,仅计算各元件中的功率损耗而不计算节点电压,求得各支路上的电流和功率损耗,并据此获得始端功率,这是回代过程。
再根据给定的始端电压和求得的始端功率,由始端向末端逐段推算电压降落,求得各节点电压,这是前推过程。如此重复上述过程,直至各个节点的功率偏差满足允许条件为止。(The forward and backward substitution method
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