求翻译：假定輸入資料內容共有s個符元所對應的十進制值皆大於等於4，且每一符元最大可延伸的符元數量為1，則可產生有2s組候選訊號以供選擇，也就是需2s個IFFT運算來挑選出最佳PAPR的候選訊號，並使該挑選後的訊號作為CES的傳送訊號是什么意思？

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It is assumed that a total input information content s a corresponding to the operator $decimal value greater than would be tantamount to 4, and each of the operator won the largest can extend the operator dollar quantity to 1, may produce a 2 s group candidates can be chosen signals, that is a need

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Assume input data content altogether Fu Yuan s corresponds to the decimal value is greater than or equal to 4, with each character maximum number Fu Yuan you can extend to 1, you can have a 2s candidate set of signals to select, or 2s IFFT operation that you want to select the best candidate signals

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