In this paper, an algorithm for eliminating extreme values and reducing the estimation variance of an integrated trispectrum under low signal-to-noise ratio and short data sample conditions is presented. An analysis o...In this paper, an algorithm for eliminating extreme values and reducing the estimation variance of an integrated trispectrum under low signal-to-noise ratio and short data sample conditions is presented. An analysis of the results of simulations using this algorithm and comparison with the conventional power spectrum and integrated trispectrum methods are presented.展开更多
Al was evaporated on the surface of PS which was prepared by electrochemical anodization in HF solution to form a metal/PS/Si/Al junction.The photoconductivity spectrum and other features were measured which present t...Al was evaporated on the surface of PS which was prepared by electrochemical anodization in HF solution to form a metal/PS/Si/Al junction.The photoconductivity spectrum and other features were measured which present that PS has a stronger visible photoconductivity effect,specially in orange-yellow region.An analysis and discussion were made on it accordingly.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.60072027
文摘In this paper, an algorithm for eliminating extreme values and reducing the estimation variance of an integrated trispectrum under low signal-to-noise ratio and short data sample conditions is presented. An analysis of the results of simulations using this algorithm and comparison with the conventional power spectrum and integrated trispectrum methods are presented.
文摘Al was evaporated on the surface of PS which was prepared by electrochemical anodization in HF solution to form a metal/PS/Si/Al junction.The photoconductivity spectrum and other features were measured which present that PS has a stronger visible photoconductivity effect,specially in orange-yellow region.An analysis and discussion were made on it accordingly.
