convolution

(redirected from convolutional)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

convolution

 [kon″vo-lu´shun]
a tortuous irregularity or elevation caused by the infolding of a structure upon itself.

con·vo·lu·tion

(kon'vō-lū'shŭn),
1. A coiling or rolling of an organ.
2. Specifically, a gyrus of the cerebral cotex or folia of the cerebellar cortex.
[L. convolutio]

convolution

/con·vo·lu·tion/ (-loo´shun) a tortuous irregularity or elevation caused by the infolding of a structure upon itself.
Broca's convolution  the inferior frontal gyrus of the left hemisphere of the cerebrum.
Heschl's convolutions  transverse temporal gyri; see temporal gyrus, under gyrus.

convolution

(kŏn′və-lo͞o′shən)
n.
1. A form or part that is folded or coiled.
2. One of the convex folds of the surface of the brain.

con′vo·lu′tion·al adj.

convolution

[kon′vəlo̅o̅′shən]
Etymology: L, convolutus, rolled together
a tortuous irregularity or elevation caused by a structure being infolded on itself, such as the gyri of the cerebrum. See also gyrus.

convolution

(1) A redundancy or folding of tissue native to an organ. 
(2) Gyrus, brain.

convolution

An elevation on the surface of a structure and an infolding of the tissue upon itself

con·vo·lu·tion

(kon-vŏ-lū'shŭn)
1. A coiling or rolling of an organ.
2. Specifically, a gyrus of the cerebral or cerebellar cortex.
[L. convolutio]

convolution

a tortuous irregularity or elevation caused by the infolding of a structure upon itself.
References in periodicals archive ?
5 for two noise temperatures without convolutional coding and with it.
For the study of a signal transmission through a communication channel without coding and with convolutional coding the following parameters were changed: losses in a free space simultaneously in the uplink and the downlink from 0 dB to 250 dB in each channel (Fig.
2) with three hidden layers; the first two convolutional layers are feature extractors and the third layer is a linear classifier.
In a Viterbi decoder (VD)for an N-state convolutional code, N recursive equations are computed at each time step.
Wei, Rotationally Invariant Convolutional Channel Coding with Expanded Signal Space, Part II: non linear codes, IEEE Journal on Selected Areas in Communications, Vol SAC-2, number 5, pp.
The puncturing patterns used with convolutional codes are defined in [ 1 ].
The generalization of the original turbo coding scheme to a multiple parallel concatenation of convolutional encoders is called a multiple turbo code (MTC) (Divsalar & Pollara, 1995).
Trellis coded modulation is looked as a solution to this problem by assigning farther phase points to the convolutional coder outputs of successive states in the trellis.
Topics include algebraic coding theory, including linear block codes and cyclic codes; convolutional codes, including encoding, trellis diagrams and the Viterbi algorithm, distance properties and error bounds, soft-input and soft-output decoding, and coding in mobile communications; turbo codes, including concatenation, EXIT charts, weight distribution and woven convolutional codes,; and space-time codes, including spatial channels, performance measures, orthogonal space-time block codes and spatial multiplexing.
Error bounds for convolutional codes and an asymtotically optimum decoding algorithm.
In the specifications, the channel coding is divided into 5 parts: randomization, Reed-Solomon outer coding, convolutional interleaving, convolutional inner coding, and mapping.