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长安大学电子与控制工程学院自动控制原理英文课件Chapter 07 The Root Locus Method
长安大学电子与控制工程学院 自动控制原理 英文课件 Root Locus Method
2020/1/8
长安大学电子与控制工程学院自动控制原理英文课件Chapter 07 The Root Locus Method。
上海交通大学自动控制原理英文课件Chapter5-3 Root Locus。
上海交通大学自动控制原理英文课件Chapter5-2 Root Locus。
DIGITAL PHOTOGRAMMETRY REACHES GRASS ROOT LEVELS IN INDIA
Photogrammetry Developing Countries Digital Land Measurement National Future
2016/1/3
Revenue surveys initiated by East India Company towards the end of 18th Century remained the responsibility of Survey of India established in 1767 till 1904 and later came under the State government D...
A Algorithm on Branches Number of a Tree Based on Extended Fractal Square Root Law
Cartography Visualization Digital Landscape Model Computer Vision
2015/12/16
It is an important question to calculate number of grown branches in a tree in visualization of trees growth. The number of growth branches is determined by visual effect or developer′s experience. Th...
西安理工大学自动化与信息工程学院自动控制理论Chapter4 The Root Locus Method
西安理工大学自动化与信息工程学院 自动控制理论 Chapter4 The Root Locus Method
2014/9/3
西安理工大学自动化与信息工程学院自动控制理论Chapter4 The Root Locus Method。
针对轧辊偏心信号是混杂在各种随机干扰中含有多次谐波的复杂高频周期信号,以及FFT(Fast Fourier Transform)法对轧辊偏心信号分析的局限性,研究了一种基于四阶累积量的Root-MUSIC(Multiple Signal Classification)法和Prony法相结合的轧辊偏心信号估计新方法.利用基于四阶累积量的Root-MUSIC法准确估计出偏心谐波的频率及谐波的个数,同时...
Root Analogous Solid Waste Management System (RA-MSW for Biocells)
Root Analogy RA Municipal Solid Waste Management Biogas Leachate Biocell 5 R’s Cycle
2013/3/11
Root Analogous Municipal Solid Waste System “RA-MSW” is a novel management system that manages waste, biogas, and leachate in bioreactor landfill. Different than conventional disposal at landfills, wa...
Root-MUSIC,PM,MUSIC算法的比较
Root-MUSIC PM MUSIC DOA
2012/11/26
对测向算法(DOA)中的2种降低运算量的算法,即求根的MUSIC算法(Root-MUSIC)和传播算子算法(PM),与多重信号分集算法(MUSIC)进行比较,并对两者降低运算量的作用进行了有效性分析和验证.Root-MUSIC算法通过求根降低运算量,PM通过矩阵乘法代替矩阵分解降低运算量.仿真结果表明,在阵元数较少时Root-MUSIC是最有效的算法,否则PM算法更为有效.
Antioxidant and antimicrobial activities of beet root pomace extracts
Beta vulgaris L. phenolic compounds bacterial culture betalains radical scavengig activity electron spin resonance
2014/2/25
We described the in vitro antioxidant and antimicrobial activities of ethanol, acetone, and water extracts of beet root pomace. Total contents of phenolics (316.30–564.50 mg GAE/g of dry extract), fla...
针对典型草场板结严重且横走根茎错节致使自繁促生能力下降等问题,设计了牧草切根机具。该机采用凸轮机构驱动直切刀对牧草进行垂直切根,减小了切根阻力和切缝宽度,通过简单操作可实现对不同间距、不同深度牧草进行切根作业,从而达到切断亚表层下的横走根茎、改良草地,扩繁促生的效果。经速度、加速度和受力分析证明,该机满足了设计要求,是比较理想的牧草切根机械。
A novel square-root domain realization of first order all-pass filter
Square-root domain circuits all-pass filter state-space synthesis
2010/10/12
In this paper, a new square-root domain, first order, all-pass filter based on the MOSFET square law is presented. The proposed filter is designed by using nonlinear mapping on the state variables of ...
We introduce a set of coupled equations for multilayer water waves that removes the ill-posedness of the multilayer Green-Naghdi (MGN) equations in the presence of shear. The new well-posed equations ...
降雨灌溉蒸发条件下苹果园土壤水分运动数值模拟(Numerical Simulation for Root Zone Soil Moisture Movement of Apple Orchard under Rainfall-irrigation-evaporation)
苹果园 土壤水分运动 数值模拟
2009/11/24
根据土壤水动力学原理和果树根区土壤水分运动特点,建立了降雨灌溉蒸发条件下含根系吸水项的二维土壤水分运动数学模型,采用有限元法求解,对降雨灌溉蒸发条件下的地表边界条件进行处理。在田间进行了灌溉蒸发条件下果园土壤水分运动验证试验,采用田间实测土壤含水率分布资料对模型进行验证,结果表明模拟值与实测值吻合较好,所建的根区土壤水分运动模型是正确的,采用有限元法求解是可行的,该模型可用于预测果园田间土壤水分运...
基于XCT技术的原位根系三维可视化研究(3-D Visualization of Root System in Situ Based on XCT Technology)
原位根系 三维可视化 三维重建
2009/11/3
为解决植物根系原位三维观测的技术难题,采用XCT层析成像技术获取原位根系的断层序列图像,然后利用计算机图像图形处理技术实现对植物根系的原位三维可视化。为了提高图像分割的精确性,提出一种利用根系几何形态特征的综合分割方法,有效清除了与根系密度极其近似的杂质体素,完成了对序列图像的三维分割。并利用VTK工具箱采用移动立方体算法(MC)实现了对分割后序列图像的三维重建。编程实验证实,本文提出的技术路线和...