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3g智能天线原理和应用
3g智能天线原理和应用:1. 智能天线原理智能天线采用空分复用（SDMA）方式，利用信号在传播路径方向上的差别，将时延扩散、瑞利衰落、多径、信道干扰的影响降低，将同频率、同时隙信号区别开...
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3G-AKA协议分析及其改进
3GPP（the 3rd Generation Partnership Project）对3G 接入网络中的AKA（Authentication and Key Agreement）协议的标准已经确定...
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3G物理层调制和解调的演示仿真模型。 A simulation of physical layer of 3G communication system.
3G物理层调制和解调的演示仿真模型。 A simulation of physical layer of 3G communication system....
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This article describes Atmel’s FingerChip technology for electronic fingerprint sensing that combin
This article describes Atmel’s FingerChip technology for electronic fingerprint sensing that combines the advantages of...
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Two pdf format ZigBee overviews. It is useful for known ZigBee technology.
Two pdf format ZigBee overviews. It is useful for known ZigBee technology....