classer 中文意思是什麼
classer
解釋
分級機-
The radar targets identification based on feature extraction with wavelet transformation and nearest - distance classer is studied in chapter 3. discrete orthogonal wavelet transformation and wavelet transformation based on beylkin algorithm are applied to the samples of the targets to test their performance. the former has a better antinoise performance and the latter has a better identification rate
離散正交小波變換中提取的特徵為信號的低頻部分，在特徵提取過程中已實現了消噪，具有較好的抗噪性能;而beylkin演算法利用樣本序列所有圓周移位的小波變換的高頻部分，提取的信號特徵雖具有移不變性，有較好的識別率，但抗噪性能較前者差。
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