哈尔滨工程大学自然辩证法复习

经本人整理，花费22小时爬取的全网最全的空气质量指数日历史数据，对于网站上没有的数据也进行了城市的补充，数据用None来代替。而非简单的省略过去，没有C币的可以私信我，我免费发给你

复杂非线性方程组的最小二乘拟合fortran实现

通过python编码实现MGWR、MGWTR模型的求解。能够解决空间非平稳性问题。

可以用于unity3D的fbx格式的飞机、坦克、舰船三维模型

加速老化试验温度的加速因子，由Arrhenius 模型计算，输入参数即可得到结果

以vs2010编写的MFC，用ADO方式连接sql2008，实现商品收费管理功能，包括扫码收费、商品增删查显等功能

学生成绩管理系统 采用MFC+SQL Server 2000开发，含程序和涉及设计文档.可供需要做相关课程设计的初学者参考。

混沌时间序列 c-c法求时间延迟的matlab程序，内含语句注解，不需要下载混沌工具箱，可直接使用，超方便！！！

一个关于nrf24le1d的小项目，使用的是pcb板载天线，经过多次试验，此天线效果最佳，距离能达到100m左右。

PWM整流器的双闭环控制系统设计与仿真研究VoL, 46 No 5172009Electrical Measurement &InstrumentationJan.2009PWM=4CT=5ⅤSRPWMGMatlab/Simulink PowerSystem BlockⅤSR600VY/A240V500kWVSRL=0.008HR=0.0019VSR600VFig. 6 The simplified diagram of three-phase VSrT=0.001svoltage control svstem0.002skp=327;=133.3K=6T=0.025K,1+T0.5T0.75K;1+TsⅤSRT CS Ts+1v2500620………200061015001000590---------0500570上!…-1000+“++“+“=++mm==}==m=+…==b560…20000.203040.50.6070.80.925000450460470480490.50.510520530.54(a)整流器直流侧输出电压(b)整流器交流侧电压与电流曲线70600r”…0.94000.730020002上-:+--100l-0.10.350.40.450.50.550.60.650.70.15030.35040.450.50.550.60.550.70.75(c)系统无功与有功的变化曲线(d)电流跟踪电流给定值的变化曲线图7三相ⅤSR双闭环系統响应曲线Fig 7 Response curves of double closed-loop control of three phase VSR control systemC1994-2010ChinaAcademicJOurnalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net517ol,46No.5172009Electrical measurement &InstrumentationJan.2009PWMPWM7 d2003.1062-148.Zhang Chun -Wei, Zhang Xing. PWM Rectifier and Control [M]. Bei JinChina machine press. 2003. 10: 62-1481980600vLi You-Shan.The Principle of automatic control M. Bei ing: NationalVSRDefense Industry Press. 19808,2004,21(3):30-33Ma Hui, Liu Jin-Fang, Liu Bing -Shuai. Improved triangle-wave pulsewidth modulation current control method for activc powcr filter[J]. Elcetric1000Power Automation Equipment, 2004, 21(3: 30-33.14PWM5002006.11,26(11):87-91Zhu Yong-Liang, Ma ilui, Zhang Zong-lian. Dual closed-loop control forthree -phase high -power -factor PWM rectifier J.Electric PowerAuloImal ion Equipment, 2006. 11, 26(11): 87-91[5Ye Y, Kazerani M, Quintana V HA novel modeling and method for100three-phase PWM converters PESC 2001 IEEE 32 Annual 2001, 1: 10215001070310320330340350.360.370.380.3904041图8逆变状态下交流侧电压与电流波形19858138-181.Wei Ze-Guo. The principle and application of the silicon control cascadeFig 8 The curves of the VSR voltage control system inM]. BeiJing: Metallurgy Industry Press, 1985.8: 138-181Inversion stateoEmail:luckdd(@163.comi1950-PWM1974PW8-0905MEASUREMENT AND CONTROL TECHNOLOGY, 2006. ( 3): 28-30ⅤXIVISA00.1991:4548Wang Hou-jun, Tian Shu-lin. Chen Guang- ju Lu Ming. Dc sign of VIsAI/Yang Guo-yhong, Zhou Hony, Y Feny, Wany Ie -yu. Eveils Handlling O Library of Fmbedtled VXI Comlrllers [J]. MEASUREMENT AD)Mcchanism Implementation of VISA J]. MEASUREMENT ANDCONTROL TECHNOLOGY, 2001, 2009): 19-22CONTROL TECHNOLOGY, 2000, 19(9): 45-48USB-GPIB(1958-)2004[6USB-GPIBVISAEmail watyxw aillueledileu,2006,43(1150-531984-WANG Xue-wei ZHANG Wei-wei Developmenl of the VISA FunclionE mail longyangxia@a 126:0ILib for USB-GPIB Controller and its Visual C++ Application J]ELECTRICAL MEASUREMENT INSTRUMENTATION, 2006,(Il)2008-10-0651-5376C1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net