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  2. Agnipath Scheme - Wikipedia

    en.wikipedia.org/wiki/Agnipath_Scheme

    Agnipath Scheme [1] (also spelled Agneepath Scheme) (Hindi: Agnīpath Yojanā, transl. Agnipath [Fireway] Scheme) is a tour of duty style scheme approved by the Government of India on 14 June 2022 and implemented in the country a few months later in September 2022, for recruitment of soldiers below the rank of commissioned officers into the three services of the armed forces. [2]

  3. M2010 Enhanced Sniper Rifle - Wikipedia

    en.wikipedia.org/wiki/M2010_Enhanced_Sniper_Rifle

    The M2010 Enhanced Sniper Rifle (ESR), formerly known as the XM2010 and M24 Reconfigured Sniper Weapon System, is a bolt action sniper rifle developed by PEO Soldier for the United States Army. [3] It is derived from and replaced the M24 Sniper Weapon System, and was designed to give snipers longer range in the mountainous and desert terrain of ...

  4. SR-25 - Wikipedia

    en.wikipedia.org/wiki/SR-25

    SR-25. The SR-25 (Stoner Rifle-25) [1] is a designated marksman rifle and semi-automatic sniper rifle designed by Eugene Stoner and manufactured by Knight's Armament Company. [1] The SR-25 uses a rotating bolt and a direct impingement gas system. It is loosely based on Stoner's AR-10, rebuilt in its original 7.62×51mm NATO caliber.

  5. Matrix difference equation - Wikipedia

    en.wikipedia.org/wiki/Matrix_difference_equation

    A matrix difference equation is a difference equation in which the value of a vector (or sometimes, a matrix) of variables at one point in time is related to its own value at one or more previous points in time, using matrices. [1][2] The order of the equation is the maximum time gap between any two indicated values of the variable vector.

  6. Tacticity - Wikipedia

    en.wikipedia.org/wiki/Tacticity

    Tacticity (from Greek: τακτικός, romanized: taktikos, "relating to arrangement or order") is the relative stereochemistry of adjacent chiral centers within a macromolecule. [1] The practical significance of tacticity rests on the effects on the physical properties of the polymer. The regularity of the macromolecular structure influences ...

  7. Secondary surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Secondary_surveillance_radar

    SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Transponder in a private aircraft squawking 2000. Secondary surveillance radar (SSR) [1] is a radar system used in air traffic control (ATC), that unlike primary radar systems that measure the bearing and distance of targets using the detected reflections of radio signals, relies on targets equipped with ...

  8. Curta - Wikipedia

    en.wikipedia.org/wiki/Curta

    A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.

  9. Errors and residuals - Wikipedia

    en.wikipedia.org/wiki/Errors_and_residuals

    Sum of squares of residuals (SSR) is the sum of the squares of the deviations of the actual values from the predicted values, within the sample used for estimation. This is the basis for the least squares estimate, where the regression coefficients are chosen such that the SSR is minimal (i.e. its derivative is zero).