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前言在类似声学噪音中,把散布在宽阔频率范围而不是集中在某一区域的,且在不同频率之间无固定相位关系的电信号称为噪音。例如,在所有的电子仪器中都可以发现这种噪音,且它是限制电子仪器精度的主要原因。另一方面,由于噪音的统计性质,诸如它的标准误差或频率分布,能给出其来源的种类和性质的重要信息。在电化学中,可以研究的这些电学变量是:相对于一个适当的参比电极的电极电位和通过电池的电流。电位和电流的平均值之
Introduction In analogous acoustical noise, electrical signals scattered over a wide range of frequencies other than a single area and having no fixed phase relationship between different frequencies are called noise. This noise can be found, for example, in all electronic instruments and it is the main reason that limits the accuracy of electronic instruments. On the other hand, given the statistical nature of noise, such as its standard error or frequency distribution, important information can be given about the nature and type of its origin. In electrochemistry, the electrical variables that can be studied are the electrode potential with respect to an appropriate reference electrode and the current through the battery. The average of the potential and current