TN386.5 2002053761一种基于绿色分量的CCD颜色插值算法=Color interpolationalgorithm of CCD based on greencornponents[刊,中]/李奇,冯华君,徐之海(浙江大学现代光学仪器国家重点实验室.浙江,杭州(310027))//光电子·激光.—200...TN386.5 2002053761一种基于绿色分量的CCD颜色插值算法=Color interpolationalgorithm of CCD based on greencornponents[刊,中]/李奇,冯华君,徐之海(浙江大学现代光学仪器国家重点实验室.浙江,杭州(310027))//光电子·激光.—2001,12(8).—842-844提出了基于Bayer阵列的CCD颜色插值算法。在CCD阵列中,接收G色分量的像素占据总像素的一半。展开更多
Long-chain alkenones (LCAs) can potentially be used as indicators to understand past variations in lacustrine environments.Previous research has suggested that the relationship between the temperature and the unsatura...Long-chain alkenones (LCAs) can potentially be used as indicators to understand past variations in lacustrine environments.Previous research has suggested that the relationship between the temperature and the unsaturation index of LCAs should be calibrated individually,because of the possible variations in the alkenone-producing algal species in the lacustrine environment.In this work,we have calibrated U37K' of water filter samples against the in-situ water temperature in Lake Qinghai,Tibetan Plateau.There are significant relationships between U37K' and the water temperature,a non-linear relationship was derived.Because the U37K' values did not respond sensitively at lower temperatures,we suggested that a quadratic regression (U37K' =0.0011×T2-0.0201×T+0.1959,n=15,r2=0.74) was appropriate than linear regression to represent the relationship between the in-situ temperatures and U37K'.Meanwhile,the U37K correlation relationship was not more significant than U37K' index in our study.Because of the C37:4 effects by salinity change,we suggest U37K is not as robust as the U37K' index as a temperature proxy,at least for the salt lake in the Tibetan Plateau.The calibration of the U37K' index in this work has provided a new understanding of historic climatic changes in the Tibetan Plateau.展开更多
文摘TN386.5 2002053761一种基于绿色分量的CCD颜色插值算法=Color interpolationalgorithm of CCD based on greencornponents[刊,中]/李奇,冯华君,徐之海(浙江大学现代光学仪器国家重点实验室.浙江,杭州(310027))//光电子·激光.—2001,12(8).—842-844提出了基于Bayer阵列的CCD颜色插值算法。在CCD阵列中,接收G色分量的像素占据总像素的一半。
基金supported by the National Natural Science Foundation of China(41002059)the West Light Foundation of the Chinese Academy of Sciences
文摘Long-chain alkenones (LCAs) can potentially be used as indicators to understand past variations in lacustrine environments.Previous research has suggested that the relationship between the temperature and the unsaturation index of LCAs should be calibrated individually,because of the possible variations in the alkenone-producing algal species in the lacustrine environment.In this work,we have calibrated U37K' of water filter samples against the in-situ water temperature in Lake Qinghai,Tibetan Plateau.There are significant relationships between U37K' and the water temperature,a non-linear relationship was derived.Because the U37K' values did not respond sensitively at lower temperatures,we suggested that a quadratic regression (U37K' =0.0011×T2-0.0201×T+0.1959,n=15,r2=0.74) was appropriate than linear regression to represent the relationship between the in-situ temperatures and U37K'.Meanwhile,the U37K correlation relationship was not more significant than U37K' index in our study.Because of the C37:4 effects by salinity change,we suggest U37K is not as robust as the U37K' index as a temperature proxy,at least for the salt lake in the Tibetan Plateau.The calibration of the U37K' index in this work has provided a new understanding of historic climatic changes in the Tibetan Plateau.
