At the same time, the multiple cropping index, irrigation area, grain yield and the rate of irrigation had been improved increasingly.
耕地灌溉率、复种指数、耕地灌溉面积、粮食产量不断提高；
This study choose the North China Plain as study area and proposed a new method of multiple cropping extraction from remote sensing data based on wavelet transform.
该文以我国华北平原为研究区域，提出了基于小波变换的耕地复种指数遥感提取方法。
This study choose the North China Plain as study area and proposed a new method of multiple cropping extraction from remote sensing data based on wavelet transform.
该文以我国华北平原为研究区域，提出了基于小波变换的耕地复种指数遥感提取方法。
应用推荐