万尼瓦尔.布什在1945年7月，二战已经进入尾声的时候，给当时的杜鲁门总统提交了一份报告，就叫《科学，无尽的前沿（Science,The Endless Frontier）》。
共匹配 500+ 份工程资料
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SHA-based session authentication technology SHA-based session authentication technology
This introduction takes a visionary look at ideal cognitive radios (CRs) that inte- grate advanced software-defined radios (SDR) with CR techniques to arrive at radios that le...
Use of multiple antennas at both ends of wireless links is the result of the natural progression of more than four decades of evolution of adaptive antenna technology. Recent ...
This is a book on wireless communication. That usually means communica- tion by radio, though ultrasound and infrared light are also used occasion- ally. The term “wireless” h...