What are remote sensing instruments?

Overview. Remote sensing instruments are of two primary types: The sensor then detects and measures the radiation that is reflected or backscattered from the target. Passive sensors, on the other hand, detect natural energy (radiation) that is emitted or reflected by the object or scene being observed.

What is remote sensing and types?

There are two types of remote sensing technology, active and passive remote sensing. Active sensors emit energy in order to scan objects and areas whereupon a sensor then detects and measures the radiation that is reflected or backscattered from the target.

What are different methods of remote sensing?

There are two types of remote sensing instruments—passive and active. Passive instruments detect natural energy that is reflected or emitted from the observed scene. Passive instruments sense only radiation emitted by the object being viewed or reflected by the object from a source other than the instrument.

What is remote sensing engineering?

A remote sensing engineer applies remote sensing principles and methods to analyze data and solve problems in areas such as natural resource management and urban planning. They may develop new sensor systems, analytical techniques, or new applications for existing systems.

What are the characteristics of remote sensing?

Characteristics of Remote Sensing Sensor Stage (satellite, plane, kite, ground based) View (angle of view) Type of radiation sensed (visible light, infrared, radar) Time of capture.

What is the basic difference between active and passive remote sensing?

Types of Remote Sensing Active sensors have its own source of light or illumination. In particular, it actively sends a pulse and measures the backscatter reflected to the sensor. But passive sensors measure reflected sunlight emitted from the sun. When the sun shines, passive sensors measure this energy.