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What is passive remote sensing?
Passive remote sensing means that the energy being collected is being provided by the environment in which you are collecting. Examples of this type of remote sensing include things as simple as taking a picture with a handheld visible spectrum camera or taking a thermal image of a person's body temperature. Active remote sensing on the other hand involves transmitting energy, allowing that energy to reflect off of the surrounding environment, and then recollecting that energy using a sensor. Examples of this type of remote sensing include sonar devices used by ships and imaging systems that use the returns from laser energy to form an image.
What has the author Maurice J Grolier written?
Maurice J. Grolier has written: 'The environment of south-central Tunisia as observed on Landsat scene 206/036' -- subject(s): Remote sensing 'A qualitative appraisal of the hydrology of the Yemen Arab Republic from Landsat images' -- subject(s): Hydrology, Landsat satellites, Remote sensing
What is used to gather data in passive remote sensing system?
Data is gathered by a satellite-mounted sensor and are recorded as a series of numbers. I got this from my earth science text book. Hope I helped! :)
What has the author Alexander MacLennan written?
William Preston MacConnell has written: 'Remote sensing 20 years of change in Franklin County, Massachusetts, 1952-1972' -- subject(s): Remote sensing 'Remote sensing 20 years of change in Middlesex County, Massachusetts, 1951-1971' -- subject(s): Aerial photography in regional planning, Classification, Land use 'Remote sensing 20 years of change in Plymouth County, 1951-1971' -- subject(s): Land use, Remote sensing
Has sensing murder solved any of the cases shown on the programmes?
Some psychics have helped solve murder cases on some programs but there is no mention of sensing murder solving cases.
Importance of remote sensing in civil engineering?
remote sensing
When was Remote Sensing Center created?
Remote Sensing Center was created in 2006-09.
When was Indian Institute of Remote Sensing created?
Indian Institute of Remote Sensing was created in 1966.
When was Pakistan Remote Sensing Satellite created?
Pakistan Remote Sensing Satellite was created in 2011.
What is a observation of earth remote-sensing satellite?
Explain how the remote sensing satellites examined the earth from the space?
What are some non-satellite remote sensing technology?
What are some non-satellite remote sensing technology?
What are Remote Sensing observational platforms?
The platforms that harbor remote sensing sensors (eg. cameras) are called remote sensing platforms. In earlier days, during military reconnaissance, pigeons attached with cameras were made to fly over areas of interest. In this case the platform is the bird. Balloons, airplanes and satellites that carry remote sensing sensors are examples of remote sensing platforms.
Why would amapmarker use active remote sensing instead of passive remote sensing?
A mapmaker might use active remote sensing over passive remote sensing because active remote sensing provides its own source of energy to illuminate the target, allowing for more control over the data collected. This can result in better resolution and accuracy in mapping features of interest.
Why would a mapmaker use active remote sensing instead of passive remote sensing?
Active remote sensing uses its own electromagnetic radiation and use microwaves. It maps areas hard to map.
What are the main characteristics of microwave remote sensing and optical remote sensing?
Optical remote sensing is affected by cloud covers , rain etc but microwave remote sensing is not.However the optical sensors always need sun as a source of illumination while active microwave sensors don't need.
What is the opposite from remote sensing?
The opposite of remote sensing is close-up sensing, where data is collected from objects or phenomena in close proximity to the sensor or observer. This type of sensing involves direct contact or nearness to the subject being observed, as opposed to remote sensing which involves collecting data from a distance.
Why are satellites used in remote sensing?
remote sensing satellites develop highly detailed and accurate maps on earths surface.
