They are relatively immune to multipath cancellation effects, such as when a strong reflected wave arrives out of phase with the direct path signal, reducing the signal strength in the receiver.
相对而言，它们不受多路径消除效应的影响，例如当返回的强反射波与直接路径信号不同相位时，降低了接收机中的信号强度。
UWB pulses are so short that the direct signal has come and gone before the reflected path arrives, so no cancellation takes place.
UWB脉冲如此短，以至于反射路径信号到达之前直接路径信号已经收到和送出。
UWB pulses are so short that the direct signal has come and gone before the reflected path arrives, so no cancellation takes place.
UWB脉冲如此短，以至于反射路径信号到达之前直接路径信号已经收到和送出。
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