然后苹果展示了一些智能手机的视频，包括iPhone 4，当采取不同的握机方法时，它们的信号强度都出现了衰减。
Apple then posted videos of several smartphones, including the iPhone 4, suffering diminished signal strength when gripped in certain ways.
对于传感器产生白勺视频数字信号需要停止长间隔传输，为避免信号衰减，本次设计采用LVDS传输协议和上位机停止数传。
The video signals generated by the cmos sensor need to be long-distance send, to avoid attenuation of the signals, This design use LVDS to communicate with host computer.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
应用推荐