sigmoidal

This paper proposes an analog synthesis circuit of a wavelet function approximator using sigmoidal mother wavelet.

小波函数使用反曲型母小波模拟,电路由双极型晶体管、可控放大器和线性无源电子元件等组成.

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About 80 % large intestine cancer and 61 % adenoma occurred at rectum and sigmoidal colon.

直肠、乙状结肠是大肠新生物的好发部位,占全部大肠癌的80%,而腺瘤占61%.

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