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tiqu
说明： 提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)
- 2010-05-04 16:32:23下载
- 积分：1
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梁的静力学有限元分析，ansys命令流实例
梁的静力学有限元分析，ansys命令流实例(Static analysis of beams, ANSYS command flow)
- 2018-06-11 15:03:59下载
- 积分：1
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qiantuihuidaiheyichuansuanf
matlab上实现的前推回代算法，结合遗传算法，有效的电网系统无功功率的优化问题，采用的模型是22节点的电力系统模型。(Matlab implementation of the forward and backward generation algorithm, combined with genetic algorithm, an effective power system reactive power optimization problem, the model is a 22 node power system model.)
- 2017-03-22 09:13:15下载
- 积分：1
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fy325
包括广义互相关函数GCC时延估计，欢迎大家下载学习，有借鉴意义哦。( Including the generalized cross-correlation function GCC time delay estimation, Welcome to download the study, There are reference Oh.)
- 2017-05-25 17:19:45下载
- 积分：1
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水波的干涉
水波干涉的动画演示 ，两水波波源发出球面波干涉，动态图，matlab程序(Water wave interference animation demonstration matlab program)
- 2018-10-26 12:52:17下载
- 积分：1
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使用Matlab设计制造衍射光学元件DOEs
说明： 书籍 Design and Fabrication of Diffractive Optical Elements with MATLAB里面提到的所有案例的Matlab源代码，本资源不包含该书，本人有该书，但各位也可以通过豆丁文档找到该书的网络版(Design and Fabrication of Diffractive Optical Elements with MATLAB's matlab code,for you referance)
- 2021-02-27 19:19:36下载
- 积分：1
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阵列信号处理的理论与应用
包括均匀线阵方向图、波束宽度与波达方向及阵元数的关系、当阵元间距时，会出现栅瓣，导致空间模糊、类似于时域滤波，天线方向图是最优权的傅立叶变换、最大信噪比准则方向图和功率谱、线性约束最小方差(LCMV)准则、Capon beamforming的MATLAB仿真图(Including the relationship between uniform linear array pattern, beam width and direction of arrival and number of elements, when element spacing, grating lobes will appear, resulting in spatial ambiguity, similar to time-domain filtering, antenna pattern is the optimal weight of Fourier transform, maximum signal-to-noise ratio criterion pattern and power spectrum, Linear Constrained Minimum Variance (LCMV) criterion, Capon Beam Forming MATLAB simulation diagram.)
- 2019-04-24 17:03:50下载
- 积分：1
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poi-2.5.1
poi-2.5.1-sources.jar
poi 2.5.1的源码(poi-2.5.1-sources.jar
the source code of poi 2.5.1)
- 2017-03-06 10:11:56下载
- 积分：1
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wood
wood 方程计算流体体积模量，进而应用于饱含岩石流体替换。(The wood equation calculates the bulk modulus of the fluid, which in turn is applied to saturated rock fluid replacement.)
- 2021-04-02 18:39:07下载
- 积分：1
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chaotic
说明： 基于混沌映射的图像加密算法，可实现图像的加密与解密(Image encryption algorithm based on chaotic map which can realize image encryption and decryption)
- 2020-04-17 10:09:00下载
- 积分：1
