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allegro 需要导出哪些文件嘉立创才能自动识别
2020-10-12 16:13:29
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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
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ucoslwiptcpip应用心得希望有帮助
2016-07-19 20:41:02
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adc0808的有个应用，c语言源代码控制产生信号源
2016-12-24 10:01:03
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各种matlab算例应用尽有，对matlab的初学者有很大的帮助。
2014-11-24 00:02:02
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PowerFish is a class library, intended to provide a broad functionality base for any application.
2013-11-28 07:46:05
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WebMail is a server application that allows ISPs to provide a WWW interface for each user to his mailbox
2015-01-12 10:36:01
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MIB Browser allows you to view the hierarchy of SNMP MIB variables in the form of a tree and provides you with additional information about each node.
With MIB Browser you can easily load (compile) s
2015-06-30 00:17:01
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This module is built to provide more practical/effective functions than php iconv for character encoding
2016-02-20 10:48:02
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It is intended to provide you with some clues about the structure and classes you may need for your second
2016-06-20 10:58:02
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This Suite will provide modules for user & right centralized management: user profile management, ldap
2014-07-25 14:59:02
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The scope of this SCM simulator is to provide an easy-to-use, GUI supported, MATLAB developed application
2014-09-03 02:00:03
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The CSS Cookbook cuts straight through the theory to provide hundreds of useful examples and CSS code
2013-12-21 13:35:09
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Compression using lempel-ziv
-for a dictionary size of 2k
-provide dictionary
2014-01-07 05:55:02
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) Compression using huffman code
-with a number of bits k per code word
-provide huffman
2017-05-30 20:28:02
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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
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The C# program will display a mine field, plant mines, and provide hints on the number of mines around
2013-12-19 23:22:22
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matlab ctrllab30, CtrlLAB is a group of MATLAB functions which provide graphical
interface to perform
2014-10-28 17:00:34
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LiteSQL is a C++ library that integrates C++ objects tightly to relational database and thus provides an object persistence layer. LiteSQL supports SQLite3, PostgreSQL and MySQL as backends. LiteSQL c
2016-03-25 20:55:01
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a screen handling program to provide a flashing message.
2016-05-04 00:24:01
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