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The active component transmits an audio signal between 100 Hz and 500 Hz from an array suspended below the ship while the passive SURTASS array is towed miles behind to receive the signal after it had reflected off the submarine. The active LFA system is an updated version of the fixed low frequency surveillance system known as Project Artemis.
[3] [4] One recommendation was a system to monitor low-frequency sound in the SOFAR channel using multiple listening sites equipped with hydrophones and a processing facility that could calculate submarine positions over hundreds of miles. [1] [3] [5] [note 1]
AN/SQS-53 is an improved version of AN/SQS-26CX. The main difference between the SQS-26CX and SQS-53 sonars is the digital computer interface with the Mk 116 anti-submarine warfare (ASW) weapon control system in the latter. [4] In addition, AN/SQS-53 sonar can be fitted with the Kingfisher small obstacle (mines) avoidance sonar. [4 ...
Sound Surveillance System (SOSUS) was the original name for a submarine detection system based on passive sonar developed by the United States Navy to track Soviet submarines. The system's true nature was classified with the name and acronym SOSUS classified as well.
The Alfa class, Soviet designation Project 705 Lira (Russian: Лира, meaning "Lyre", NATO reporting name Alfa), was a class of nuclear-powered attack submarines in service with the Soviet Navy from 1971 into the early 1990s, with one serving in the Russian Navy until 1996.
Early "Front-rear logic" circuits were introduced to enhance separation to 12 dB and later "Full logic" [4] circuits 20 dB, [5] but both provided poor performance, very noticeable gain-pumping and an unstable 'swaying' sound field. [5] The SQ system also faced resistance from broadcasters since, while essentially a two-channel system and stereo ...
Submarine is a departure from Turner's previous guitar-heavy work, with the Arctic Monkeys, and more in line with the baroque-oriented sound found in The Age of the Understatement (2008). It features a Indie folk sound, drawing influences from baroque pop and psychedelic pop. Instrumentally, it incorporates acoustic guitar, drums, organ, and ...
The album was released on Record Store Day 2014 as a limited edition 5-LP box set. [10] This release has a dedicated mix overseen by James Murphy and mastered by Bob Weston that is advertised as "an entirely different mix to the movie". [11] In 2021, it was re-issued as a 3CD box set. [12]