Stealth Technology

Stealth or low observability (it is scientifically known) is the technology that allows an object (aircraft or missile) to be partially invisible to Radar or any other means of electromagnetic detection. The motive behind incorporating stealth technology in an aircraft is to make it invitility by making it less visible. 

The technology was initially developed by US it was the first country to use stealth technology. The first stealth aircraft was F-117 "Night Hawk" developed by Lockheed Martin (United States). The technology involves, superior designs of defense weapons and the use of advanced materials and paint coat, so as to make the surface of missiles or aircraft's less reflective or non- reflective to electromagnetic radiations (EMR) beamed by enemy's radar. 

In simple terms, The Stealth bombers unusual shape and its composite construction material have made it virtually undetectable by current radar systems.

Comments

Post a Comment

Popular posts from this blog

Meaning And Definition Of LAW

Law can be defined firstly - by its basis in nature, reason, religion or ethics, secondly - by its sources like customs, precedent and legislation, thirdly – by its effect on the life of the society, fourthly – by the method of its formal expression or authoritative application, fifthly – by the ends that it seeks to achieve.  Although, there is no general definition of Law which includes all the aspects of Law yet for a general understanding, some of the important definitions are as follows:  Aristotle It (perfect law) is inherent in the nature of man/woman and can be discovered through reason. It is immutable, universal and capable of growth.  Austin Austin says “Law is the command of Sovereign.” Rules laid down by political superiors to political inferiors. In other words, body of command by a sovereign member or members of an independent society wherein the author of law is supreme.  Paton According to Paton “Law consists of a body of rules which are seen to o...
Read more

CARTOSAT-1 Satellite, ISRO

CARTOSAT–1 is the first Indian Remote Sensing Satellite capable of providing in-orbit stereo images. The images were used for Cartographic applications meeting the global requirements. Cameras of this satellite have a resolution of 2.5m (can distinguish a small car). The Cartosat–1 provided stereo pairs required for generating Digital Elevation Models, Ortho Image products, and Value added products for various applications of Geographical Information System (GIS).   Launch date 5 May 2005 Launch site SHAR Centre Sriharikota India Launch vehicle PSLV- C6 Orbit 618 km Polar Sun Synchronous Payloads PAN FORE, PAN - AFT Orbit Period 97 min Number of Orbits Per day 14 Local time of equator crossing 10:30 am Repetivity 126 days Revisit 5 days Lift-Off mass 1560 kg Attitude and orbit control 3-axis body stabillised using reaction wheels, Magnetic Torquers and Hydrazine Thrusters Electrical power 15 sqm Solar Array generating 1100w, Two 24 Ah Ni-Cd batteries Mission life 5 years
Read more

Public Services Code as recommended by the 2nd Administrative Reforms Commission

2nd Administrative Reforms Commission has suggested the inclusion of the following principles in the Code of Ethics for civil servants in India:    • Integrity : Civil servants should be guided solely by public interest in their official decision making and not by any financial or other consideration either in respect of themselves, their families or their friends.    • Impartiality: Civil servants in carrying out their official work, including functions like procurement, recruitment, delivery of services etc, should take decisions based on merit alone.    • Commitment to public service: Civil servants should deliver services in a fair, effective, impartial and courteous manner.    • Open accountability: Civil servants are accountable for their decisions and actions and should be willing to subject themselves to appropriate scrutiny for this purpose.    • Devotion to duty: Civil servants maintain absolute and unstinting devotion towa...
Read more

Rohini Satellite RS-1

RS-1 was a 35 kg experimental spin stabilized satellite designed with a power handling capability of 16W. It was successfully launched onboard SLV-3 from SHAR Centre on July 18, 1980 into an orbit of 305 x 919 km with an inclination of 44.7°. All the fourth stage parameters of SLV-3 were successfully telemetered to the ground stations by RS-1 during the launch phase.  The satellite had an orbital life of 9 months. The satellite carried Digital sun sensor, Magnetometer and temperature sensors. The structure was made of Aluminium Alloy.   Mission Experimental Weight 35 kg Onboard power 16 Watts Communication VHF band Stabilization Spin stabilized Payload Launch vehicle monitoring instruments Launch date July 18,1980 Launch site SHAR Centre, Sriharikota, India Launch vehicle SLV-3 Orbit 305 x 919 km Inclination 44.7 deg. Mission life 1.2 years Orbital life 20 months
Read more

TNPSC Combined Engineering Services Examination 2022 Paper With Key PDF Download

  GENERAL STUDIES (Subject Code 003)   ⇦ AGRICULTURAL ENGINEERING (Subject Code 280)    ⇦ MECHANICAL / PRODUCTION / MANUFACTURING ENGINEERING (Subject Code 256)    ⇦ ELECTRICAL ENGINEERING (Subject Code 259)    ⇦ TEXTILE TECHNOLOGY (Subject Code 306)    ⇦ CHEMICAL ENGINEERING (Subject Code 260)    ⇦ AUTOMOBILE ENGINEERING (Subject Code 258)    ⇦ CIVIL ENGINEERING (Subject Code 261)    ⇦
Read more

KALPANA-1 Mission, ISRO

METSAT (renamed as Kalpana - 1 on February 5, 2003 after the Indian born American Astronaut Dr. Kalpana Chawla, who died on February 1, 2003 in the US Space Shuttle Columbia disaster) is the first in the series of exclusive meteorological satellites built by ISRO.   Mission Meteorological Spacecraft Mass 1060 kg mass (at Lift – off) 498 kg (Dry mass)  Onboard Power   550 W Payload Very High Resolution Radiometer (VHRR) Data Relay Transponder (DRT) Launch date 12 September 2002 Launch site SHAR, Sriharikota Launch vehicle PSLV – C4 Orbit Geostationary (74 deg East longitude) Mission 7 Years
Read more

The evolution and significance of the slogan, ‘Jai Jawan Jai Kisan’

‘Jai Jawan jai Kisan’ was a slogan given by the Prime Minister of India Lal Bahadur Shastri in 1965. It means – ‘hail the soldier and hail the farmer’. Soon after Shastri took over the Prime Ministership of India after Nehru’s death. India was attacked by Pakistan and at the same time India was facing the scarcity of food-grains.  Shastri gave the slogan Jai Jawan Jai Kisan to enthuse the soldiers to defend India and simultaneously cheering farmers to do the best to increase the production of foodgrains to reduce dependence on import. Also at that time US suspended all food aid to India due to Indo-Pak war, so the government was compelled to take measures like rationing, creation of state Food Trading Corporation but it did not serve the purpose completely. So in this background the Jai Jawan Jai Kisan slogan gave an impetus to both the army and the farmers to give the best of their potential.  In 1998, Atal Bihari Vajpayee added Jai Vigyan (Hail Science) to the slogan after t...
Read more

INSAT-3C Satellite

INSAT-3C, carrying Fixed Satellite Services (FSS) transponders, Broadcast Satellite Services (BSS) transponders and Mobile Satellite Services (MSS) transponders is intended to continue the service of INSAT-2DT and INSAT-2C which were nearing their end to life besides improving and augmenting the INSAT system capacity. INSAT-3C is the second satellite of the INSAT-3 series. The first satellite, INSAT-3B was launched in March 2000.   Mission Communication, broadcasting and Meteorology Spacecraft Mass 2,650 kg (Mass at Lift - off) 1218 kg (Dry mass) Onboard power 2765 W Propulsion Liquid Apogee Motor with fuel and oxidizer stored in separate titanium tanks and pressurant in Kevlar wound titanium tank. Payload 24 C band transponders 6 Extended C - band Transponders 2 S - band Transponders Launch date January 24, 2002 Launch site French Guyana Launch vehicle Ariane5-V147 Orbit Geostationary (74 o  longitude) Mission Life Very long
Read more

THE PALA SCHOOL (11th to 12th centuries) Miniature Painting

Image
The earliest examples of miniature painting in India exist in the form of illustrations to the religious texts on Buddhism executed under the Palas of the eastern India and the Jain texts executed in western India during the 11th-12th centuries A.D. The Pala period (750 A.D. to the middle of the 12th century) witnessed the last great phase of Buddhism and of the Buddhist art in India. The Buddhist monasteries (mahaviharas) of Nalanda, Odantapuri,Vikramsila and Somarupa were great centres of Buddhist learning and art. A large number of manuscripts on palm-leaf relating to the Buddhist themes were written and illustrated with the images of Buddhist deities at these centres which also had workshops for the casting of bronze images. Students and pilgrims from all over South-East Asia gathered there for education and religious instruction. They took back to their countries examples of Pala Buddhist art, in the form of bronzes and manuscripts which helped to carry the Pala style to Nepal, Ti...
Read more

UPSC Civil Services (Medical Science Optional) Previous Year Papers (2014 - 2021) PDF Download

Civil Services (Medical Science Optional) Paper 2014 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2015 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2016 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2017 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2018 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2019 Medical Science Paper - 1 Click Here To Download Medical Science Paper - 2 Click Here To Download Civil Services (Medical Science Optional) Paper 2020 Medical Science Paper - 1 Click Here To D...
Read more