• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Sign in Sign up
Upload
Impact of Perpendicular and Temporal Baseline Characteristics on
Impact of Perpendicular and Temporal Baseline Characteristics on

... The applications conducted by the means of InSAR, provides a different viewpoint to issues that are included in science and other views in society interest and obtained information is quite significant regarding readability of earth’s structure and evolutions. However classic InSAR technique is ofte ...
ert 245:geomatic engineering remote sensing: energy sources
ert 245:geomatic engineering remote sensing: energy sources

...  Later, SAR (synthetic Aperture Radar) was developed and widely used in many countries for civilian applications ...
The Devastation of Venezuela by Heavy Rains in
The Devastation of Venezuela by Heavy Rains in

GEOG3051_13 - UCL Department of Geography
GEOG3051_13 - UCL Department of Geography

... data extraction using UNIX tools, and will develop basic programming skills. The lecture part of the course, starting in week 4 will include the physical bases of remote sensing: basic laws of electromagnetic radiation; absorption, reflection and emission in the optical and thermal domains; atmosphe ...
Optimization of satellite insar techniques for monitoring of
Optimization of satellite insar techniques for monitoring of

... were considered inappropriate - they can be used only to detect terrain deformations without proper quantitative evaluation of such deformations that occur in the area of interest. For example they may be used for appropriate evaluation of extent of subsidence troughs. Other situation can happen whe ...
Application of Space-Based Remote Sensing to Climate
Application of Space-Based Remote Sensing to Climate

... to Climate Change & Disaster Relief High Level Segment ITU Council 2008 November 13, 2008 Badri Younes Deputy Associate Administrator for Space Communications & Navigation National Aeronautics and Space Administration United States of America ...
PWS-SCI
PWS-SCI

... 2. Icing (freezing of liquid precip) and its intensity  Other types of dangerous weather: current observing techniques are based on measuring the traditional physical quantities automatically and remote sensing techniques: low priority ...
Theory - glaciers.pdx.edu
Theory - glaciers.pdx.edu

... on antenna length and decreases with increasing distance from platform to target (Avery and Berlin, 1992). Thus satellite application of radar was largely precluded. To overcome the limitation of antenna size “Synthetic Aperture Radar” (SAR) was developed (Ulaby et al., 1981). In the same way that a ...
AMT4SentinelFRM brochure
AMT4SentinelFRM brochure

... The AMT4SentinelFRM project focuses on providing high quality Fiducial Reference Measurements (FRM) to validate Copernicus Sentinel satellite data during the Atlantic Meridional Transect (AMT) research voyage between the UK and the South Atlantic. These observations from space provide unique informa ...
Document
Document

... The frequency and bandwidth of operation are mission driven and defined by the science objectives. For SAR applications, the frequencies of interest include UHF (100 MHz), Pband (400 MHz), L-band (1.25 GHz) and C-band (5.30 GHz). The required bandwidth varies from a few MHz to 20 MHz to 300 MHz to a ...
Document
Document

... different while different objects can appear the same due to their surface nature ...
1

Radar MASINT

Radar MASINT is one of the subdisciplines of Measurement and signature intelligence (MASINT) and refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of Signals intelligence (SIGINT), Imagery intelligence (IMINT), or human intelligence (HUMINT). .According to the United States Department of Defense, MASINT is technically derived intelligence (excluding traditional imagery IMINT and signals intelligence) that – when collected, processed, and analyzed by dedicated MASINT systems – results in intelligence that detects, tracks, identifies, or describes the distinctive characteristics target sources. in the US MASINT was recognized as a formal intelligence discipline in 1986.As with many branches of MASINT, specific techniques may overlap with the six major conceptual disciplines of MASINT defined by the Center for MASINT Studies and Research, which divides MASINT into Electro-optical, Nuclear, Geophysical, Radar, Materials, and Radiofrequency disciplines.Radar MASINT is complementary to SIGINT. While the ELINT subdiscipline of SIGINT analyzes the structure of radar directed on a target, radar MASINT is concerned with using specialized radar techniques that measure characteristics of targets. Another MASINT subdiscipline, Radiofrequency MASINT, considers the unintentional radiation emitted from a radar transmitter (e.g., sidelobes)MASINT radar sensors may be on space, sea, air, and fixed or mobile platforms. Specialized MASINT radar techniques include line-of-sight (LOS), over-the-horizon, synthetic aperture radar (SAR), inverse synthetic aperture radar (ISAR) and multistatic. It involves the active or passive collection of energy reflected from a target or object by LOS, bistatic, or over-the-horizon radar systems. RADINT collection provides information on radar cross-sections, tracking, precise spatial measurements of components, motion and radar reflectance, and absorption characteristics for dynamic targets and objectives.Radar MASINT can be active, with the MASINT platform both transmitting and receiving. In multistatic applications, there is physical separation among two or more receivers and transmitters. MASINT can also passively receive signals reflected from an enemy beam.As with many intelligence disciplines, it can be a challenge to integrate the technologies into the active services, so they can be used by warfighters. Still, radar has characteristics especially appropriate for MASINT. While there are radars (ISAR) that can produce images, radar pictures are generally not as sharp as those taken by optical sensors, but radar is largely independent of day or night, cloud or sun. Radar can penetrate many materials, such as wooden buildings. Improving the resolution of an imaging radar requires that the antenna size is many times that of the radar wavelength. Wavelength is inversely proportional to frequency, so increasing the radar frequency can improve resolution. It can be difficult to generate high power at the higher frequencies, or problems such as attenuation by water in the atmosphere limit performance. In general, for a fixed sensor, electro-optical sensors, in UV, visual, or infrared spectra, will outperform imaging radar.SAR and ISAR are means of combining multiple radar samples, taken over time, to create the effect of a much larger antenna, far larger than would physically be possible, for a given radar frequency. As SAR and ISAR develop better resolution, there can be an argument if they still are MASINT sensors, or if they create images sufficiently sharp that they properly are IMINT sensors. Radar can also merge with other sensors to give even more information, such as #Moving Target Indicator. Radar generally must acquire its images from an angle, which often means that it can look into the sides of buildings, producing a movie-like record over time, and being able to form three-dimensional views over time.
  • studyres.com © 2022
  • DMCA
  • Privacy
  • Terms
  • Report