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RD_on_Sensorless_Control_Technology_for_Brushless_
- 无刷直流电机无位置传感器控制技术的研究(博士论文)无刷直流电动机利用电子换相代替机械换相，不但具有直流电动机的调速性能，而且体积小、效率高，在许多领域已得到了广泛应用。采用无位置传感器控制技术之后，不但克服了外置式位置传感器的诸多弊病，而且进一步拓宽了无刷直流电机的应用领域。目前，无刷直流电机无位置传感器控制已成为无刷直流电机控制技术的发展方向。 本文纵观了无刷直流电动机的兴起、发展与现状，概括了无刷直流电动机无位置传感器控制技术的现有水平及存在的问题，以研制、开发全直流变转速空调产品为依托，从
well
- 能够根据给定的操作压力和温度，对化工工艺中的甲烷-戊烷吸收体系进行摩尔分数以及密度进行计算，得到相平衡数据-According to a given operating pressure and temperature, the chemical process of methane- n-pentane mole fraction of the absorption system, as well as to calculate the density, the phase equilibri
display
- 地震剖面显示,主要用于石油地震勘探中地震剖面的显示，可以显示波形、变面积和变密度剖面-Seismic data display，mostly used for seismic data processing,it can display waveform, variable area and variable density
zuidashang14
- 最大熵，求概率密度分布。目前的程序问题，是初始值选取需要完善。希望高手能解决。-The maximum entropy seeking probability density distribution. The current program, the initial value selected to be perfected. Expert can solve.
drag-coefficient
- 主要计算空气流动过程中各种阻力系数的大小，空气密度可以调节-Main calculation process air flow resistance coefficient of the size, the density of the air can be adjusted
13456
- 根据地层深度和声波时差，写的计算密度和速度的程序，为合成记录做准备-According to stratigraphic depth and slowness, density and velocity calculations written procedures to prepare for the synthetic seismogram
hechengjilv
- 根据速度，密度计算反射系数，并和雷克子波做褶积，合成一般的地震记录-According to the speed, density, reflection coefficient, and Ricker wavelet do convolution, synthetic seismograms general
104
- 用于电力工程岩土工程勘察中高密度电法对采集数据的处理工作-Geotechnical investigation for power engineering of high-density electrical processing of the collected data
reflection
- 计算诺特方程求解平面纵波入射到水平界面时的纵波反射系数与转换波反射系数 matlab图形化界面，输入上下两层介质的纵横波速度与密度即可，使用方便-Knott equations to calculate longitudinal wave reflection coefficients and converted wave reflection coefficient matlab graphical interface, enter the upper and lower layer
CO2-Parameters-calculate
- 根据温度压力计算二氧化碳的偏差系数、相态判断、密度等参数-请键入文字或网站地址，或者上传文档。 取消 Gēnjù wēndù yālì jìsuàn èryǎnghuàtàn de piānchā xìshù, xiàng tài pànduàn, mìdù děng cānshù 您是不是要找： 从Carbon dioxide is calculated based on the coefficient of variation of temperature and pressur
N2-Parameters-calculate
- 根据温度压力计算N2的偏差系数、密度等参数-N2 coefficient of variation is calculated, the density and other parameters according to the temperature and pressure
Crude-oil-properties-Calculate
- 对原油的密度、比热容、导热系数进行计算，文件附有计算所用方法的详细文档资料以便参考。-Crude oil density, specific heat capacity, thermal conductivity calculations, file with the method used to calculate the detailed documentation for easy reference.
sjhbAT
- 高密度电法数据合并程序，用瑞典res2d反演高密度时候需要把很多排列合并。-The merger process of high density electrical method of high density electrical data data merge program
three-parameter-inversion
- 实现地震叠前三参数反演（纵波速度、横波速度、密度。本程序是基于matlab编写的。-Stack seismic inversion to achieve the first three parameters (P-wave velocity, shear wave velocity, density. This program is based on matlab prepared.
INV2P5DSB.
- INV2P5DSB程序，已经发展到同时预测2.5维的沉积盆地的深度与从重力异常得到的区域背景。基地界面上的深度抛物线型变反映了密度差异。-A program, INV2P5DSB, has been developed to simultaneously estimate the depth of a 2.5-D sedimentary basin and regional background observed gravity anomalies. The density contra
seismic-data-syn
- 反射系数与地震子波褶积合成地震记录，p，d，s分别是预设地层纵波速度、密度、及横波速度模型。其中包含可以改变主频的ricker子波，avopp是提取反射系数的程序。wigb可以对其中的多道进行强化显示。-Reflection coefficient and the convolution synthetic seismogram, the seismic wavelet p, d, s are preset formation p-wave velocity, density, and shea
REFLECT-COEFFICIENCY
- 地层反射界面反射系数求取 ， 已知速度密度信息求取反射系数-Reflection layer interface reflection coefficient strike, strike a known speed-density information reflection coefficient
PSD
- matlab自带yluer做功率谱密度分析。分析频率-matlab comes youer do power spectral density analysis. Frequency Analysis
fortran-for-wave-function-forward
- 2维声波方程，时间2阶精度，空间六阶精度，恒密度介质。程序里包含吸收边界和自由边界。-2-dimensional acoustic wave equation, time second-order accuracy, spatial sixth-order accuracy, constant density of the medium. Program contains absorbing boundary and free boundary.
BWRS
- 基于BRWS方程，计算混合气体的物性参数，密度，压缩因子-Based on the BRWS equation, the physical parameters, density and compressibility factor of the mixed gas were calculated.