Remote sensing uses sensors or satellites to acquire information about objects. Doppler radar, LIDAR, radio meters, hyperspectral imaging are some of the most commonly used techniques of this field. Remote sensing is used in a number of fields like military intelligence, hydrology, geography, geology, etc. This book contains some path-breaking studies in the field of remote sensing. A number of latest researches have been included to keep the readers up-to-date with the global concepts in this area of study. It will help the readers in keeping pace with the rapid changes in this field.