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CourseManage
学生课程管理系统需求分析 包含总体设计 数据库设计 详细分析 DFD图 等(Student course management system requirements analysis includes detailed analysis of the overall design of the database design diagrams DFD)
- 2011-06-11 19:05:20下载
- 积分:1
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Student-MFC-VCPP-ODBC
用MFC做的一个学生信息管理系统,有增加、删除、排序、筛选功能,系统通过ODBC方式连接数据库。
由于文库不支持RAR,故需要完整的程序以及数据库可以联系俺,希望对大家有帮助。
(To do with the MFC, a student information management system, increase, delete, sort, filter functions, the system through ODBC to connect to the database. The library does not support RAR, I therefore need to complete the program and database can be contacted, we hope to help.)
- 2012-06-09 11:03:11下载
- 积分:1
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rfm
关于反射内存的7篇论文,主要讲解反射内存卡的研制以及在半实物仿真领域的应用技巧等,内容详实,值得相关人员下载研究。(About reflective memory of 7 papers, mainly to explain the development of reflective memory card and in the field of hardware in the loop simulation of the application skills, detailed, worthy of the relevant personnel to download the study.)
- 2016-05-10 20:06:47下载
- 积分:1
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SC16C554_SC16C654_SC16C554B_SC16C654B_ISA
SC16C554/SC16C654/SC16C554B/SC16C654B
ISA 总线硬件接口示例
- 2009-02-18 10:51:25下载
- 积分:1
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Test7
Eagle cadsoft library ADE7758 power meter i ade
- 2012-06-06 17:14:19下载
- 积分:1
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McQuay DuctSizer
说明: Pipe Sizer Calculation
- 2020-06-25 20:00:02下载
- 积分:1
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1383
:介绍了一种基于数字信号处理器(DSP)的移相调频(Phase-Shifted and Frequency-Varied,PSFV)PWM控制
逆变电源,给出了主电路拓扑结构,分析了其控制原理并设计了其控制程序流程图。新颖的PSFV 控制能够实现输出
电压90%的调整率,输出电流波动小于单纯移相调功PWM方式,并在轻载时保持连续。功率开关器件零电压零电流
通断(Zero-Voltage-Zero-Current Switching,ZVZCS)软开关的实现,有利于进一步提高开关频率和降低开关损耗。采用
高性能的专用DSP 芯片TMS320F2812 实现了系统的数字控制,满足了系统控制的灵活性和实时性,减小了系统的
体积和生产成本。仿真分析和实验结果证明了此控制模式的可行性与合理性。()
- 2008-03-28 20:26:19下载
- 积分:1
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imaging-technology-of-radar
保铮院士编写的雷达成像技术的书。该书上传的格式为PDF(Bao Zheng academicians write a book radar imaging technology. PDF format of the book upload)
- 2011-04-29 14:13:42下载
- 积分:1
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Droop_crt
微电网仿真分析,离网的下垂控制系统,实现离网的切换仿真,根据西南交大的一篇硕士论文仿真,可以运行的。(Microgrid simulation analysis, off-grid droop control system, the simulation is switched off grid, according to the Southwest Jiaotong University in a master s thesis simulation can be run.)
- 2014-05-08 10:38:52下载
- 积分:1
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shortwavesignal
文中利用频谱分析与显示技术,设计适合短波信号的实时频谱分析仪。(In this paper, the use of spectrum analysis and display technology, design suitable for short-wave signals in real-time spectrum analyzer.)
- 2008-04-13 21:39:45下载
- 积分:1