Radar Is An Electromagnetic System For Detection And Location Of Reflecting Objects

ASDIC gave no advance warning of a U-boat and thus there was no opportunity to reroute a convoy away from the danger. However, advances in technology meant that by 1942 the escorts would have several more means of detection. One such method was radar. By May 1942, 236 ships carried centimetric radar, an accurate radar using a wavelength of 10cm and able to detect a U-boat at a distance of several miles. This was important because it allowed convoys to make a course away the U-boat but more significantly it enabled escorts to home in and attack.

Activities associated to the Spectrum Efficient National Surveillance RADAR – Joint Program Office (SENSR JPO)

Electromagnetic Radiation – A form of energy composed of waves of electric and magnetic changes (from electrically charged particles). It deals with

The selection of satellites bands with wider frequencies allows a variety of information to travel and decreases the limitation of usage by the users. The Ka-Band (26-40GHz) the communication satellites provides high resolution, close ranges targeting radar on military crafts(TIA,2013). The current suggestion of band would be the Ka-Band (26-40GHz) the communication satellites allows high resolution, close ranges that support strong military functions(TIA,2013). advancements to the developing concept, identify leverage over the other choices, utilizing Ka-bands do propose substantiated risks however, it is still operable (Lewis, 2014). Users offering themselves a band with wider frequency means information can transfer swiftly whereas, a smaller frequency could offer more accuracy but limits the user capability. All forums offer positive attribute and consequential attributes but overall the assessment has to be made by the operation leader. As technology develops engineers are developing ideal that are properly modified to support the needs of the community and excel in

The invention of radar, known as Radio Direction Finding (RDF) at the time, by the Department of Scientific and Industrial research in 1934 initially allowed aircraft to be detected at a distance of thirty-eight miles. By 1937, improvements to RDF had enabled it to see aircraft at a range of one hundred miles, complete with the bearing of enemy aircraft4. The British recognized the potential of RDF to be used simultaneously with other electronic and communication aids to provide an early-detecting system. The development of an early-warning system was essential to the British war effort due to the length of the coastline being so close to enemy-occupied territory, with important commercial, industrial and military centres well within the range of enemy aircraft5. An early-warning system also had two distinct advantages over traditional aircraft patrolling of the British coastline. It

The Radio was introduced to society because of the telegraph and the telephone. These inventions don’t do the same things but their similar branch of technology. “Radio technology began as “wireless telegraphy”. “It all started with the discovery of radio waves, electromagnetic waves that have the capacity to transmit music, speech, pictures and other data invisibly through air.” [Bellis] Majority of technology uses electromagnetic waves to send data information or TV broadcasts. During the 1860’s, Scottish physicist, James Clerk Maxwell predicted the existence of radio waves; and in 1886, German physicist, Heinrich Rudolph Hertz showed how fast the variation of electric current could be placed into space in the form of

Pick an example of radar and explain how it works using at least one diagram or picture. [5 marks]

Today, radar is one of the most prevalent equipment devices used in the military, especially on naval ships. Radar is so detrimental to the navy because it detects invisible or distant objects by means of reflected radio waves and is capable of locating them accurately in space . Using this method, radars are able to scan for and, or track targets that, again, are too far for the human eye to see. With the AN/SPQ-9B, a ship is able to do both; in fact it can track while scanning. The track while

Radar (Radio Detection and Ranging) is a method of detection that works by sending out radio waves and detecting any reflections from distant objects. Created by Christian Hülsmeyer, a German scientist, in 1904, the invention first became useful in World War 1, where it was used to determine the location of enemy planes.. Once World War 2 began and U-boats were once again roaming the Atlantic, the Allies knew that they needed a means of detecting the location of these deadly submarines. Radar could essentially “see” things as dots using radio waves, and although it was not created to specifically detect U-boats, it became a technological weapon that the allies could use for their benefit. Additionally, Sonar (Sound Navigation and Ranging) was built specifically to counteract the threat of underwater enemies such as the U-boats. Sonar uses sound waves to detect distant objects. Similar to radar, the use of sonar allowed the British surface fleet to detect the direction and depth of these submarines and destroy many of them. What makes these two technologies similar is that they both locate enemy ships using waves that could not be seen and they could do it at such a distance that the Germans would have no way of interfering and stopping them. This advanced technology was a detriment to the U-boats because the German Navy could no longer surprise the Allied forces.

With the increased communications, radar findings could be announced to the whole fleet and its commanders. Increasing the pre-battle intelligence by increasing communication, commanders could use the radar finding and direct ships and aircraft

- wide variety of applications including SONAR (Sound Navigation And Ranging) > method for finding the

RADAR stands for RAdio, Detecting And Range, it main is used for the detecting objects by bouncing radio waves off of them and seeing how long it takes for the echo to return. It was developed by a number of nations secretly, but the term RADAR wasn’t used until 1940.

While forward deployed the soldiers experienced major challenges with the equipment and its internal systems. Their radar system which was considered the best short range ballistic

We know that electromagnetic radiation is produced by accelerating charges. In the radio transmitter, electrons oscillate up and down and are thus accelerating. An electron will exert a force on another electron when they are some distance away, like charges repel. When the electron in the transmitter oscillates up and down, the direction of the force it exerts changes since the source of the force is moving. It takes some time for the change

Project Abstract: The following is a discussion of the application of Army Signals Intelligence (SIGINT) capabilities which are employed in order to enhance the targeting and effects of the Ar-my’s Cyber Electromagnetic Activities (CEMA) Sections. The aim is to address how the assimila-tion of assets, programs, and capabilities currently available to the Army SIGINT Community by the Army CEMA Sections could significantly enhance their ability to conduct and execute the war-time mission, thereby enhancing the commanders’ understanding of the enemy’s tactical use of the electromagnetic spectrum (EMS). This, in effect, would also reduce the time invested in acquiring EMS specific information and increase the precision and execution of Electronic Attack (EA), Elec-tronic Protect (EP), and Electronic Warfare Support (ES) by strengthening and