• In pulsed radar and sonar signal processing, an ambiguity function is a two-dimensional function of propagation delay τ {\displaystyle \tau } and Doppler...
    19 KB (3,643 words) - 01:56, 19 January 2025
  • mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the...
    76 KB (11,410 words) - 20:15, 22 May 2025
  • Thumbnail for Ambiguity
    "two", as in "two meanings"). The concept of ambiguity is generally contrasted with vagueness. In ambiguity, specific and distinct interpretations are permitted...
    32 KB (4,353 words) - 18:33, 8 May 2025
  • {\displaystyle y_{s}(t)}  will be analyzed by the ambiguity function of radar signal. The ambiguity function of radar transmitting signal is expressed as χ...
    23 KB (3,789 words) - 02:49, 12 June 2025
  • relationship between the Wigner distribution function, the auto-correlation function and the ambiguity function can then be illustrated by the following figure...
    19 KB (3,916 words) - 01:53, 19 January 2025
  • physics create performance constraints that cannot be altered. The ambiguity function associated with pulse compression and scalloping associated with moving...
    9 KB (1,186 words) - 13:05, 5 June 2024
  • and economics, ambiguity aversion (also known as uncertainty aversion) is a preference for known risks over unknown risks. An ambiguity-averse individual...
    14 KB (1,858 words) - 16:29, 25 May 2025
  • Passive radar (category All articles with vague or ambiguous time)
    removal of unwanted structures in digital signals to improve the radar ambiguity function or even complete reconstruction of the reference signal from the received...
    34 KB (4,305 words) - 15:20, 20 April 2025
  • Thumbnail for Monotonic function
    In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order. This concept...
    19 KB (2,471 words) - 01:32, 25 January 2025
  • = S x ( t , f ) {\displaystyle =S_{x}(t,f)} Relation between the ambiguity function and the ACF E [ A X ( η , τ ) ] = ∫ − ∞ ∞ E [ x ( t + τ / 2 ) x ∗...
    22 KB (3,734 words) - 21:42, 19 February 2025
  • {\displaystyle \eta ,\tau } axes in the ambiguity domain. Consequently, the kernel function of Choi–Williams distribution function can only filter out the cross-terms...
    2 KB (376 words) - 01:58, 19 January 2025
  • ignore the ambiguity by rigidly adhering to inaccurate, simplistic interpretations. In contrast, an individual who is tolerant of ambiguity is more likely...
    11 KB (1,481 words) - 02:26, 30 December 2024
  • Thumbnail for Gamma function
    the ambiguity is the Bohr–Mollerup theorem, which shows that f ( x ) = Γ ( x ) {\displaystyle f(x)=\Gamma (x)} is the unique interpolating function for...
    90 KB (13,517 words) - 14:18, 9 June 2025
  • Thumbnail for Philip Woodward
    fundamental importance in radar waveform design, including the Woodward ambiguity function, the standard tool for waveform and matched filter analysis". In retirement...
    13 KB (1,215 words) - 10:52, 21 April 2025
  • pair of dots are distinct. This results in an ideal "thumbtack" auto-ambiguity function, making the arrays useful in applications such as sonar and radar...
    18 KB (1,937 words) - 19:07, 29 December 2024
  • Thumbnail for Inverse function
    inverse function of f. The notation f ⟨ − 1 ⟩ {\displaystyle f^{\langle -1\rangle }} might be used for the inverse function to avoid ambiguity with the...
    43 KB (5,224 words) - 09:30, 6 June 2025
  • Range ambiguity resolution is a technique used with medium pulse-repetition frequency (PRF) radar to obtain range information for distances that exceed...
    10 KB (1,555 words) - 07:48, 14 June 2025
  • Schröder's equation. Iterated functions and flows occur naturally in the study of fractals and dynamical systems. To avoid ambiguity, some mathematicians[citation...
    37 KB (3,772 words) - 08:50, 25 February 2025
  • Thumbnail for Inverse trigonometric functions
    trigonometric functions (occasionally also called antitrigonometric, cyclometric, or arcus functions) are the inverse functions of the trigonometric functions, under...
    75 KB (10,633 words) - 15:56, 30 April 2025
  • this case, the two dimensional function of doppler and range is known as a radar ambiguity function or radar ambiguity diagram. Surface energy: γ dA (γ...
    8 KB (1,060 words) - 13:39, 24 May 2025
  • Fowler–Noll–Vo (or FNV) is a non-cryptographic hash function created by Glenn Fowler, Landon Curt Noll, and Kiem-Phong Vo. The basis of the FNV hash algorithm...
    15 KB (1,453 words) - 07:00, 23 May 2025
  • (or reciprocal) of the trigonometric function tangent (see above for ambiguity)[citation needed] Because of ambiguity, the notation arctan(x) or (tan(x))−1...
    2 KB (188 words) - 05:17, 28 November 2021
  • (or reciprocal) of the trigonometric function cosine (see above for ambiguity)[citation needed] Inverse function sec−1 (disambiguation) sin−1 (disambiguation)...
    2 KB (213 words) - 15:38, 4 March 2022
  • Memoization (redirect from Memo function)
    speed up computer programs by storing the results of expensive function calls to pure functions and returning the cached result when the same inputs occur...
    30 KB (3,741 words) - 09:02, 17 January 2025
  • Thumbnail for Code-division multiple access
    code is a pseudo-random code in the time domain that has a narrow ambiguity function in the frequency domain, unlike other narrow pulse codes. In CDMA...
    36 KB (4,745 words) - 05:38, 11 June 2025
  • the expression is said to be not well defined, ill defined or ambiguous. A function is well defined if it gives the same result when the representation...
    10 KB (1,664 words) - 21:08, 30 November 2024
  • Thumbnail for Codomain
    Codomain (redirect from Function codomain)
    range is sometimes ambiguously used to refer to either the codomain or the image of a function. A codomain is part of a function f if f is defined as...
    9 KB (1,051 words) - 23:22, 5 March 2025
  • Thumbnail for Frequency ambiguity resolution
    possibilities for PRF B. This frequency ambiguity resolution signal processing technique determines true velocity. Ambiguity resolution is typically implemented...
    4 KB (720 words) - 20:25, 19 October 2022
  • Thumbnail for Sergio Barbarossa
    linear time-varying systems and introduced the product high-order ambiguity function, an algorithm useful to estimate the parameters of multi-component...
    10 KB (996 words) - 01:22, 26 May 2025
  • Analysis Cohen's class distribution function Choi-Williams distribution function Wigner distribution function Ambiguity function Short-time Fourier transform...
    6 KB (850 words) - 01:57, 19 January 2025