搜索结果: 1-1 共查到“工学 Spectrum survey”相关记录1条 . 查询时间(0.062 秒)
L and S Bands Spectrum Survey in the San Francisco Bay Area
Spectrum survey spectral environment thermal noise floor GPS ISM
2015/6/26
The Global Positioning System (GPS) is a radio frequency (RF) navigation system that consists of transmitters on the satellites and receivers on the ground. Because of substantial path loss, the recei...