At first, the paper analyses the principle of chopping wave, through analysis of the principle fetch out the analysis about the system design of adjust service in power saving.
首先分析了斩波节能的原理，通过对这个原理的分析引出了对抽油机节能调节器的分析。
It is proved that the model of wind wave spectra with three parameters is reasonable. At the mean time, it is also proved that the relationship between spectrum parameters and fetch is right.
经过实测数据的验证，证明了三参量谱谱形的合理性，同时也进一步证明了谱参量随风区变化关系的正确性。
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