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data_share_in_Matlab
- 从变量可见性角度分析,Matlab程序运行过程中(以下不特别说明都是指在Matlab程序中),不同形式的变量可见范围源于于面向对象编程的概念.-variables can be seen from the point of view of analysis, Matlab procedures in the process (not refer specifically explain procedures in Matlab), different forms of variable can
Bit Error Rate
- The most straightforward approximation is the standard Gaussian approximation, where the MAI is approximated by a Gaussian random variable. This approximation is simple, however it is not accurate in general. In situations where the number of users i
OneimprovementchangeslengthofstrideLMS
- 在对一些变步长LMS算法分析的基础上,提出了步长因子 (n)与误差信号e(n)之间一种新的非线性函数关系-In a number of variable step size LMS algorithm based on the analysis, put forward a step length factor (n) and error signal e (n) between the non-linear function of a new relationship
chaos_paper1
- 构建了一类可切换的三维自治混沌系统,通过系统选择器实现这类系统间的切换) 这类系统都由七项组成,且 都包含三项系统变量乘积的二次非线性项) 详细地分析了这类三维系统平衡点的性质、混沌吸引子的相图和 *+,-./01 指数等特性,设计了实现这类可切换系统的实际电路并进行了电路实验-Construction of a class of three-dimensional autonomous chaotic switching systems, the realization of the
An_Improved_of_spiht_Algorithm_Based_on_Variable_T
- 針對傳統小波變換過程復雜的缺點和SPIHT算法編碼過程重復運算、存儲量大的問題,首先分析了小波基和小波分解層數的選擇,然后提出了一種新的可變閾值的SPIHT算法,該算法利用可變閾值對SPIHT算法中不重要像素列表(LIP)和不重要系數列表(LIS)進行分類得到一種更有效的編碼算法.仿真結果表明,該算法的壓縮整體性能要好于SPIHT算法.-Wavelet transform for the traditional complex process shortcomings and repeat th
probabalistic_PCA
- Probabilistic Principal Component Analysis – Latent variable models – Probabilistic PCA • Formulation of PCA model • Maximum likelihood estimation – Closed form solution – EM algorithm » EM Algorithms for regular PCA
anewLMSalgorithm
- 本文对变步长自适应滤波算法进行了讨论,建立了步长因子μ与误差信号e(n) 之间另一种新的非线性函数关系. 该函数比已有的sigmoid 函数简单,且在误差e(n)接近零处具有缓慢变化的特性,克服了Sigmoid 函数在 自适应稳态阶段步长调整过程中的不足. 由此函数本文得出了另一种新的变步长自适应滤波算法,并且分析了参数α,β的取值原则及对算法收敛性能的影响. 该算法有较好的收敛性能且计算量少. 计算机仿真结果与理论分析相一致,证实了该算法的收敛性能优于已有的算法.-In this pap
Melcosim_ver_09_10_01
- 三菱功率模块设计分析软件,可预先模拟选型及参数验证。加快设计速度,轻松计算各参数变量。尤其是其可估算损耗功率,为散热器设计提供便利,极大提高设计速度和设计效率。-Mitsubishi power module design and analysis software, and parameter selection of pre-simulation validation. Speed up the design speed, easy to calculate the parameters o
181336261208
- 可变增益放大器是模拟单元电路之一,起着变化增益、调整信号动态范围、稳定信号功率的作用。文章综述了CMOS集成可变增益放大器的研究情况 给出了可变增益放大器的定义、应用、分类和主要指标,描述了多种开环和闭环放大器的结构,分析了相应的增益控制方法及其优缺点 说明了在CMOS工艺下实现放大器增益按指数变化的几种途径。最后,介绍了用于无线数字通信,具有宽带、高线性、低电源电压等高性能可变增益放大器的设计实例。-Variable gain amplifier circuit of the analog u
ff
- 析了变速恒频双馈风力发电系统的工作原理。结合风力机特性和双馈发电机特性,说明了变速恒频运行方式下的最优风能捕获策略,并介绍了风力发电系统的滑模变结构控制、自适应控制、鲁棒控制和人工神经网络控制。总结了变速恒频风力发电系统的发展趋势。-Analysis of a Variable Speed Constant Frequency Wind Power Generation System works. Combination of wind turbine characteristics and t
covariation
- 介绍了协方差的作用,协方差是关于如何调节协变量对因变量的影响效应,从而更加有效地分析实验处理效应的一种统计技术-Describes the role of covariance, the covariance is about how to adjust the covariate effects on the dependent variable, and thus a more effective analysis of the experimental treatment effect o
yibudiandongji
- 异步电动机具有非线性、强耦合、多变量的性质,要获得良好的调速性能,必须从其动态模型出发,分析异步电动机的转矩和磁链控制规律,研究高性能异步电动机的调速方案。矢量控制就是基于动态模型的高性能的交流电动机调速系统的控制方案之一。所谓矢量控制,就是通过矢量变换和按转子磁链定向,得到等效直流电动机模型,在按转子磁链定向坐标系中,用直流电动机的方法控制电磁转矩与磁链,然后将转子磁链定向坐标系中的控制量经变换得到三相坐标系的对应量,以实施控制。-Asynchronous motor with nonlin
Modelling-and-Analysis-of-Variable-Speed-Wind
- Modelling and Analysis of Variable Speed Wind Turbines with Induction Generator during Grid Fault
PASH-environmention
- 详细分析了windows环境下PATH环境变量的配置方法,为程序的安装提供修改路径的前提。-Detailed analysis of the configuration of the PATH environment variable in windows environment, modify the path of the premise for the installation.
3_110-3
- The article concerns observing states of the Induction Motor (IM) using a Luenberger observer in the speed servo drive. The movement of the motor and observer roots is analyzed for a variable speed. Following the analysis, a new method for gain e
214545535242
- 基于混沌序列的多峰函数微粒群寻优算法的目标就是找到多峰函数的所有局部优化峰值。在分析微粒群优化 算法中各个参数对微粒运动影响的基础上,对微粒群算法进行改造,让微粒运动从初始位置沿优化函数曲线向优化峰值 方向爬行.直至找到所在区域的局部优化峰值;要想求得尽可能多的局部优化峰值,就要求微粒群中微粒的初始位置分 布具有随机性和遍历性。为此采用混沌序列设置微粒初始位置;为使每一个局部最优值点都可能有微粒群中的微粒经过, 采用变步长的迭代计算;为防止优化函数曲线的某些局部峰附近没有
ADMC_401-SVPWM
- 基于ADMC_401的三相交流感应电机的SVPWM变频调速研究,通过对感应电动机的矢量控制原理分析, 提出了一种PID神经元网络控制器-SVPWM variable frequency speed control studies based ADMC_401 three-phase AC induction motor, induction motor vector control principle analysis, proposed a PID neural network control
A-Novel-Variable-Step-Size-NLMS-Algorithm-and-Its
- By building the generalized Sigmoid function relationship between normalized step-size and the power of error signal, a novel variable step-size NLMS algorithm is proposed. It is proved that the step-size of NPVSS-NLMS changes as the new algorith
Dynamic Modelling, Simulation and Analysis of an Offshore Variable-Speed Directly-Driven Permanent-Magnet Wind Energy Co
- Dynamic Modelling, Simulation and Analysis of an Offshore Variable-Speed Directly-Driven Permanent-Magnet Wind Energy Conversion and Storage System (WECSS)
Dynamic Modelling, Simulation and Analysis of an Offshore Variable-Speed Directly-Driven Permanent-Magnet Wind Energy Co
- Dynamic Modelling, Simulation and Analysis of an Offshore Variable-Speed Directly-Driven Permanent-Magnet Wind Energy Conversion and Storage System (WECSS)