A simplified formula of the optimumindex is given, and the problems of application of the indices are discussed.
文中还简化了最宜指数的计算公式，并讨论了各种选择指数的应用问题。
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Satellite optimum bands for underlying surface classification were selected by using weight function spectra distribution, optimumindex function (OIF) and the usages channels of MODIS.
An optimumindex that can compromise the performance of accuracy indices which have different properties is proposed, intending to get the best navigation star of the platform decline scheme,.