自乘譜 的英文怎麼說
中文拼音 [zìchéngpǔ]
自乘譜
英文
auto ectrum-
In the aspect of blind - identification, the mutual power spectrumx time - frequency distribution product of two delay signals are used as the features of classification. the cluster analysis and cumulant invariants of mpsk signals are used to automatically classify communication signals
在信號識別中，選取信號的互功率譜、時頻分佈、 mpsk信號的延遲相乘信號作為分類特徵，利用模式識別中的聚類分析以及mpsk信號的基於高階累積量構成的分類特徵不變量實現了信號調制類型的自動分類。Quantitative tests for sugar content and total acidity of pears were carried out by this system and the relationship between the fruit reflectance and internal quality indices were obtained by using partial least squares calibration techniques
利用該系統對不同採收期雪青梨糖度和總酸度進行了自動檢測試驗並結合多元校正演算法偏最小二乘法，建立了雪青梨漫反射光譜與其內部糖度、酸度的相關關系。Multiplicative self - adjoint maps on a non - standard operator algebra which preserve spectrum
一個非標準運算元代數上的保譜乘法自伴映射
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