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一个简单的端口扫描程序: addstr = "发现端口" & Str(port) & "打开" & Space(5) Select Case port Case 7 plus = "ECHO服务"

一个简单的端口扫描程序: addstr = "发现端口" & Str(port) & "打开" & Space(5) Select Case port Case 7 plus = "ECHO服务" Case
2013-12-16 18:38:08 下载 45 查看 1,155
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allegro 需要导出哪些文件嘉立创才能自动识别

allegro 需要导出哪些文件嘉立创才能自动识别
2020-10-12 16:13:29 下载 6 查看 147
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高速PCB设计中的阻抗匹配 你都知道哪些

阻抗匹配是指在能量传输时,要求负载阻抗要和传输线的特征阻抗相等,此时的传输不会产生反射,这表明所有能量都被负载吸收了。反之则在传输中有能量损失。在高速线路板打样设计中,阻抗的匹配与否关系到信号的质量优劣。

1、PCB走线什么时候需要做阻抗匹配?

不主要看频率,而关键是看信号的边沿陡峭程度,即信号的上升/下降时间,一般认为如果信号的上升/下降时间(按10%~90%计)小

2022-09-09 08:00:02 下载 2 查看 5,228
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ucoslwiptcpip应用心得希望帮助

ucoslwiptcpip应用心得希望帮助
2016-07-19 20:41:02 下载 178 查看 1,024
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adc0808的应用

adc0808的应用,c语言源代码控制产生信号源
2016-12-24 10:01:03 下载 65 查看 1,025
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各种matlab算例应用

各种matlab算例应用,对matlab的初学者很大的帮助。
2014-11-24 00:02:02 下载 120 查看 1,041
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PowerDesigner使用教程 PowerDesigner是Sybase公司的CASE工具集

PowerDesigner使用教程 PowerDesigner是Sybase公司的CASE工具集,使用它可以方便地对管理信息系统进行分析设计,它几乎包括了数据库模型设计的全过程。
2014-11-23 21:23:02 下载 171 查看 1,119
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In this case we use O distance.

In this case we use O distance.
2014-11-27 12:02:01 下载 186 查看 1,121
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Microsoft官方的SQL数据库case,大家可以参考。

Microsoft官方的SQL数据库case,大家可以参考。
2015-11-29 10:09:01 下载 149 查看 1,053
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A Case Study: Replacing the persistence layer of a Business Process Engine with JDO The JDO sp

A Case Study: Replacing the persistence layer of a Business Process Engine with JDO The JDO specification
2014-01-27 07:17:01 下载 145 查看 1,071
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clear case 基本操作指南,系本人在网上收集

clear case 基本操作指南,系本人在网上收集
2016-04-28 00:44:01 下载 38 查看 1,046
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This is a case for recognition of hand gestures using the 7 Hu moments and neural network classifier

This is a case for recognition of hand gestures using the 7 Hu moments and neural network classifiers
2017-08-06 10:26:02 下载 88 查看 1,113
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Performance Evaluation in a two lane and four lane traffic environment in case of a highway, urb

Performance Evaluation in a two lane and four lane traffic environment in case of a highway, urban
2017-09-21 00:23:02 下载 139 查看 1,183
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设计和选用电源模块应考虑哪些性能参数

同样的输入输出电压、同样的功率、同样的封装,不同厂家的电源模块,哪个性能更好?对于一个性能优良的电源模块来说,需要测试的项目很多,而且这些性能之间是紧密联系的,本文挑选其中几个方面的性能进行对比阐述。
2022-12-23 20:20:02 下载 1 查看 6,228
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In case you haven t realized it, building computer systems is hard. As the complexity of the system

In case you haven t realized it, building computer systems is hard.
2015-04-25 20:45:01 下载 38 查看 1,118
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xletview, for UNIX file and directory names are case sensitive. The path to the project CVSROOT must

xletview, for UNIX file and directory names are case sensitive.
2013-12-18 13:34:04 下载 140 查看 1,092
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UML指南An important part of the Unified Modeling Language (UML) is the facilities for drawing use case

UML指南An important part of the Unified Modeling Language (UML) is the facilities for drawing use case
2013-12-23 08:44:02 下载 154 查看 1,067
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Learn how to build a custom Linux® distribution to use in an embedded environment, in this case

Learn how to build a custom Linux® distribution to use in an embedded environment, in this case to
2013-12-23 19:18:02 下载 80 查看 1,076
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face detection Face detection can be regarded as a more general case of face localization In face

face detection Face detection can be regarded as a more general case of face localization In face localization
2014-01-10 07:21:01 下载 196 查看 1,097
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C51单片机实例switch-case-break语句

C51单片机,很好的学习资料。快来下载吧
2023-01-25 04:30:02 下载 1 查看 8,727
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