This information normally exists in the form of signal amplitude (absolute or relative), frequency or spectral content, phase, or timing relationships with respect to other signals.
通常，信息的存在在形式是信号幅度绝对幅度或相对幅度、频率或频谱成分、相位或者和其他信号之间的时序关系。
The signal peak is searched by the relative amplitude instead of the absolute level, so as to reach high accuracy and speed.
该方法采用了相对幅值的信号峰提取技术，消除了绝对幅值变化带来的不利影响，准确性高，处理速度快。
The Schrodinger equation acts on the entire probability amplitude, not merely its absolute value.
方程 作用于整个概率振幅，而不只是其绝对值。
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