receiver passband characteristic

例句：

1. 1. The new receiver has a much better bandwidth than the old one.
   这款新的接收器比旧的带宽要好得多。
2. 2. The engineer carefully measured the bandwidth of the signal to ensure it met the required standards.
   工程师仔细测量了信号的带宽，以确保它符合所需的标准。
3. 3. The receiver's bandwidth is crucial for transmitting high-definition video signals.
   接收器的带宽对于传输高清视频信号至关重要。