与 «ASDIC»相关的英语书籍
在以下的参考文献中发现
asdic的用法。与
asdic相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Encyclopedia of British Submarines 1901-1955
Asdic and Sonar Asdic (a designation which possibly came to be derived from
the Anti-Submarine Division, the Admiralty department which had initiated its
development - the term appearing sufficiently meaningless not to give away the ...
2
The Royal Navy and Anti-Submarine Warfare, 1917-49
against faster submarines it would only achieve a kill in very favourable
circumstances.85 The main limitations of the system were, firstly, the speed at
which ships could operate the asdic effectively was too low, secondly (and
directly related to ...
Malcolm Llewellyn-Jones, 2007
3
The European Powers in the First World War: An Encyclopedia
Me Asdic evolved as a form of antisubmarine warfare during World War I.
Unprepared for coun— tering submarines when the war began, the Allied navies
finally determined that underwater acoustics were the most efficient method of ...
Professor and Holder of the John Biggs Chair in Military History Spencer C Tucker, Spencer C. Tucker, 2013
4
U-Boats Against Canada: German Submarines in Canadian Waters
A target moving either toward or away from the asdic vessel caused the echo's
pitch to increase or decrease respectively. This Doppler effect is familiar to all
who have listened to the sound of a passing railway train; it became an important
tool ...
5
U-boat Tactics in World War II
The U-boat could hear the Asdic 'ping' from its hunter long before the Asdic
operator was able to pick up a return echo from the boat. When the warship got
within about 300m the 'ping' and its echo became almost simultaneous, and thus
...
6
X.1: The Royal Navy's Mystery Submarine
l u a L j mun amusement It . I _y The Asdic arrangements showing the silent
compartment, with its double wheel (37) for training and elevating the oscillator,
the pair of headphones (17) for the operator and an officer, the Morse key (21),
the ...
Roger Branfill-Cook, 2013
7
Britain's Anti-submarine Capability 1919-1939
One answer to this problem underwent trials in exercise CB,78 when an
extended screen of four pairs of asdic destroyers over a ten-mile front was placed
ten miles ahead of the force, and the close screen was formed of non-asdic-fitted
...
8
The Royal Navy, 1930-2000: Innovation and Defence
This later became known by the American name of sonar, though to preserve an
idea of the essential differences between modern sonar and the equipment used
in the Second World War and the immediate aftermath, the term asdic will be ...
9
Military Innovation in the Interwar Period
The Admiralty ordered that its officers were at all times to refer to asdic as “
asdevite” to throw spies off the trail. The very term “asdic” remained secret until
1929. Even upon declassification, all information on asdic installation remained
secret.
Williamson R. Murray, Allan R. Millett, 1996
10
Wolf Pack: The Story of the U-Boat in World War II
Depth charges were set to explode at a predetermined depth, so a cat-and-
mouse game would follow as the enemy warship tried to second-guess the U-
boat commander. 'Asdic' detection equipment bounced a 'ping' of sound through
water ...
包含词语«ASDIC»的新条目
找出国内和国际出版社所讨论的内容，以及词语
asdic在以下新条目的上下文中是如何使用的。
Softball teams begin MCAL play in different direction
SM, 13-8, 12-4 last season, second in the MCAL, has some solid returnees, including senior pitcher Hayley Asdic, who coach Liz Hartmann ... «Novato Advance, 四月 15»
Tunnels: A short guide to Toronto's nether regions
The Allies Anti-Submarine Detection Investigation Committee (ASDIC) used sonar equipment to detect the location of German U-boats. After its ... «Toronto Star, 二月 15»
Alan Turing's last victory
It was only in the later war that we had sufficient resources such as improved rapid Direction Finding, ASDIC, long range aircraft and convey ... «Spectator.co.uk, 十二月 14»
Famed Physicist Ernest Rutherford Helped Pioneer Sonar in Secret
Together, these scientists produced a working prototype of sonar, which the British originally called "ASDIC" (short for Active Sound Detection ... «Live Science, 十一月 14»
SAS Rand foundation stone to move to Military History Museum
... during fleet exercises in 1950 and in 1957 a tactical anti-submarine warfare simulator was installed for ASDIC, now known as Sonar, training. «defenceWeb, 十月 14»
Harding brothers serve their country and community
"Don entered the Navy, and was soon transferred to the Canso where he was petty officer in charge of ASDIC (the primary Allied submarine ... «www.insidebrockville.com/, 九月 14»
This Week in World War I September 12-18, 1914
An early version of sonar, or ASDIC as it was originally called, was developed in 1917, but was not deployed until after the war had ended. «Huffington Post, 九月 14»
Grimsby trawlers at war
The top secret ASDIC (underwater sound detection equipment) for submarines, devised by Canadian Robert W Boyle, was not tested by the ... «Grimsby Telegraph, 八月 14»
ML 1387 'Medusa'
These could be heard on the ASDIC (Sonar) sets carried by the HDMLs. In modern parlance this is known as passive sonar and is not used in ... «Maritime Journal, 六月 14»
'Nazi sub did not beat our defences'
Mr Alexander, who was born at Parklea Farm and brought up at Margaret Street in Greenock, said there was also a top secret 'Asdic ring' on ... «Greenock Telegraph, 一月 14»
