Applications of Microwaves in Daily Life Earth Atmosphere and Space

This book covers various aspects of microwaves in our daily lives, earth, atmosphere and space. Radars emitting microwaves were widely used since World War II to detect enemy ships or aircrafts but the advent of satellite era has demonstrated their wider applications. The most popular usage of microwaves has been in the microwave ovens, mobile phones and industry. This book covers use of GPS systems in cars and other means of transport, by means of navigation systems for land, air and sea and electronic warfare to target enemy positions precisely. Some aspects of diagnosis and treatment of certain illness have been brought out in addition to applications in weather forecasting, tracking of cyclones through satellites and evacuation of people from the cyclone affected regions due to strong winds, storm surges and floods. This book also describes early warning systems for earthquakes and tsunami besides, volcanoes, landslides and glaciers. Microwave application in space research has been made for communication between earth and space ships with a view to know more about planets, moons and other celestial objects. Detection of microwaves in the background of the sky has supported Big Bang theory for the creation of universe. Microwaves are however, sometimes hazardous and need mitigation as described in the book. It has been written in simple language so that it can be easily understood by general public. While applying laws of physics, wave propagation or other subjects like earthquakes, volcanoes or weather due weightage has been given to the NCERT text books on Science and related subjects.