... 调制变换转发器 modulation-type switching transponder 叠加信号 superposed signal 叠加振铃 superposed ringing ...
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提出了一种能够抑制多径干扰的基带波形设计方法，该方法是通过保持传输信息速率不变，在成形滤波器第二个零点叠加信号来实现的。
A waveform design method that can restrain the multipath effect was proposed. It was achieved by placing signal on the second zero point of waveform filter and keeping the information rate.
叠加提高了信号的信噪比，使研究人员能够更清楚地跟踪每一个独特的信号在月球内部传播的路径和行为。
Stackingimproved the signal-to-noise ratio and enabled the researchers to moreclearly track the path and behaviour of each unique signal as it passedthrough the lunar interior.
如果不进行“调零”修正，所产生的偏置量就会叠加到输入信号上产生误差。
Unless it's corrected by "zeroing," the resulting offset produces an error by adding to the input signal.
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