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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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C++ 写的VOICE OVER IP 很好的例子
2015-02-11 20:24:02
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RFC1088——A Standard for the Transmission of IP Datagrams over NetBIOS Networks
2015-03-18 20:40:04
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WordNet is an extensive database developed by Princeton University faculty and students over the last
2014-06-12 14:59:02
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This example creates a 3D fly-over of the city of Boston
2016-03-23 00:44:01
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DescriptionThis adds some support for SSL renegotiation over V1.
2014-12-01 06:48:04
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To calculation the BER of BPSK over
AWGN ang Rayleigh Fading channel.
2014-02-26 03:30:20
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These routines model tropospheric radiowave propagation over variable terrain and calculates propagation
2017-01-01 10:12:01
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QAM for WCDMA in wireless comunication for the implementation of WCDMA over the 2G
2013-12-14 05:30:02
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Useful IEEE paper about audio and voice transmission over wireless networks
2017-04-30 00:20:02
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Digital Communication Over Fading Channels: A Unified Approach to Performance Analysis
This timesaving
2014-01-27 16:00:01
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Analyze a performance of cooperative networks over Rayleigh fading channels for different transmissions
2017-05-27 10:58:02
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Performance analysis of BICM based cooperative network over AWGN channels.
2017-05-27 10:59:02
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Performance analysis of wireless networking with interleaving on the receiver side over Rayleigh fading
2017-05-27 20:00:02
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This program is Automobile CNG Conversion Electronic Change over switch source `code
2017-09-20 00:27:01
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·Wireless Communications over MIMO Channels: Applications to CDMA and Multiple Antenna Systems covers
2024-12-01 13:20:01
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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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