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2. List of United States Army Field Manuals - Wikipedia

   en.wikipedia.org/wiki/List_of_United_States_Army...

   ADP 1 (FM 1) ADP 1, The Army: 17 September 2012 [4] This publication supersedes FM 1, 14 June 2005. Raymond T. Odierno INACTIVE: FM 1: FM 1, The Army: 14 June 2005 [5] This publication supersedes FM 1, 14 June 2001. Peter J. Schoomaker: INACTIVE: FM 1: FM 1, The Army: 14 June 2001 [6] This publication supersedes FM 100–1, 14 June 1994. Eric K ...

3. United States Army Field Manuals - Wikipedia

   en.wikipedia.org/wiki/United_States_Army_Field...

   FM 90-10-1 (Urban warfare) FM 100-5; FM 1-100: "Army Aviation Operations" (PDF). Headquarters, Department of the Army. 21 February 1997. Archived from the original (PDF) on 30 January 2023. FM 1-112: "Attack Helicopter Operations" (PDF). Headquarters, Department of the Army. 2 April 1997. Archived from the original (PDF) on 29 January 2023.

4. Platinum group - Wikipedia

   en.wikipedia.org/wiki/Platinum_group

   Naturally occurring platinum and platinum-rich alloys were known by pre-Columbian Americans for many years. [5] However, even though the metal was used by pre-Columbian peoples, the first European reference to platinum appears in 1557 in the writings of the Italian humanist Julius Caesar Scaliger (1484–1558) as a description of a mysterious metal found in Central American mines between ...

5. Phase-locked loop - Wikipedia

   en.wikipedia.org/wiki/Phase-locked_loop

   A phase-locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is fixed relative to the phase of an input signal. Keeping the input and output phase in lockstep also implies keeping the input and output frequencies the same, thus a phase-locked loop can also track an input frequency.

6. Sampling (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(signal_processing)

   SACD, 1-bit delta-sigma modulation process known as Direct Stream Digital, co-developed by Sony and Philips. 5,644,800 Hz Double-Rate DSD, 1-bit Direct Stream Digital at 2× the rate of the SACD. Used in some professional DSD recorders. 11,289,600 Hz Quad-Rate DSD, 1-bit Direct Stream Digital at 4× the rate of the SACD. Used in some uncommon ...

7. Delta-sigma modulation - Wikipedia

   en.wikipedia.org/wiki/Delta-sigma_modulation

   This simple 1 st-order modulation can be improved by cascading two or more overflowing accumulators, each of which is equivalent to a 1 st-order delta-sigma modulator. The resulting multi-stage noise shaping (MASH) [ 31 ] structure has a steeper noise shaping property, so is commonly used in digital audio.