MODIS V4算法在观测天顶角较大或太阳天顶角较大时会出现火点漏判现象,针对这个问题,通过数值模拟的方法分析了由明火与背景地物组成的火点像元的亮温在不同观测几何条件下的变化,并在MODIS V4算法基础上提出了针对环境卫星红外相机的基于观测几何的遥感火点监测算法.通过高分辨CCD数据建立烟羽掩码对多景环境卫星火点监测结果进行了验证.与MODIS火点产品对比,环境卫星在火点定位以及小面积火点识别方
With the launch of altimeter,much effort has been made to develop algorithms on the wind speed and the wave period.By using a large data set of collocated altim
An optimized workspace calculation method is proposed for parallel stabilized platform testing systems.This method refines the searched space progressively in o
A new tube inversion method called guided tube inversion ( GTI),which is based on traditional axial compression inversion,has been put forward.Computational and
Combining the advantages of partial matched filter (PMF) and fast Fourier transform ( FFT),an improved fast acquisition method for GPS C/A code is proposed.Acco