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
"two", as in "two meanings"). The concept of ambiguity is generally contrasted with vagueness. In ambiguity, specific and distinct interpretations are permitted...
32 KB (4,350 words) - 11:13, 1 August 2025
Bilinear time–frequency distribution (redirect from Cohen's distribution function)
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
scholars, who have examined the nature of that ambiguity. In The Lord of the Rings, Tolkien is carefully ambiguous in diction and in descriptions. These often...
35 KB (4,284 words) - 09:13, 14 May 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
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
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
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
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 (2,475 words) - 06:23, 2 July 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
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 (13,545 words) - 04:27, 29 July 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
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
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
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
trigonometric functions (occasionally also called antitrigonometric, cyclometric, or arcus functions) are the inverse functions of the trigonometric functions, under...
75 KB (10,633 words) - 05:07, 12 July 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) - 15:00, 19 June 2025
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
LAMBDA (Least-squares AMBiguity Decorrelation Adjustment) method, which has become the standard technique for solving integer ambiguities in GNSS carrier‑phase...
8 KB (799 words) - 19:01, 28 July 2025
Memoization (redirect from Memo function)
up computer programs by storing the results of expensive calls to pure functions and returning the cached result when the same inputs occur again. Memoization...
30 KB (3,740 words) - 01:06, 23 July 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
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) - 10:01, 28 June 2025
Most vexing parse (category Ambiguity)
The most vexing parse is a counterintuitive form of syntactic ambiguity resolution in the C++ programming language. In certain situations, the C++ grammar...
10 KB (917 words) - 08:41, 28 July 2025
Woods – INTERCAL, Colossal Cave Adventure Philip Woodward – ambiguity function, sinc function, comb operator, rep operator, ALGOL 68-R Steve Wozniak – Breakout...
49 KB (4,332 words) - 14:39, 25 July 2025
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) - 17:29, 24 June 2025
perhaps none at all. This is called a Gribov ambiguity (named after Vladimir Gribov). Gribov ambiguities lead to a nonperturbative failure of the BRST...
17 KB (2,537 words) - 01:28, 16 December 2023