【简答题】Africa Imagine the following scene: on the grasslands, an elephant stands under an umbrella-like tree. Its shadow( 影子 ) grows long and thin. In the distance, you can also see a few zebras running here...
【判断题】The path loss is the average propagation loss over a wide area. It is determined by the macroscopic parameters, such as the distance between the transmitter and receiver, the carrier frequency, and th...