Coincidence
81coincidence — [kəʊˈɪnsɪd(ə)ns] noun [C/U] an unusual situation in which two things happen by chance at the same time or in the same way …
82coincidence — /koʊˈɪnsədəns / (say koh insuhduhns) noun 1. the condition or fact of coinciding. 2. a striking occurrence of two or more events at one time apparently by mere chance. 3. exact agreement in nature, character, etc …
83coincidence — The ratio of the observed to the expected frequency of double cross overs, where the expected frequency is calculated by assuming that the two cross over events occur independently of one another …
84coincidence — n. 1 a occurring or being together. b an instance of this. 2 a remarkable concurrence of events or circumstances without apparent causal connection. 3 Physics the presence of ionizing particles etc. in two or more detectors simultaneously, or of… …
85coincidence detection — in positron emission tomography, collimation in detection of ionization events, limiting recognition to simultaneous events occurring in opposite directions, which occurs when the emitted positron collides with an electron, simultaneously… …
86coincidence method — noun : a precise method of comparing the frequencies of two periodic phenomena (as the ticking of two clocks) by observing the interval between their successive coincidences, the interval being the least common multiple of the periods compared …
87Index of coincidence — In cryptography, coincidence counting is the technique (invented by William F. Friedman[1]) of putting two texts side by side and counting the number of times that identical letters appear in the same position in both texts. This count, either as …
88Mathematical coincidence — This article is about numerical curiosities. For the technical mathematical concept of coincidence, see coincidence point. A mathematical coincidence can be said to occur when two expressions show a near equality that lacks direct theoretical… …
89Indice De Coïncidence — L indice de coïncidence est une technique de cryptanalyse inventée par William F. Friedman en 1920 et publiée dans The Index of Coincidence and its Applications in Cryptography. L indice permet de savoir si un texte a été chiffré avec un chiffre… …
90Indice de coincidence — Indice de coïncidence L indice de coïncidence est une technique de cryptanalyse inventée par William F. Friedman en 1920 et publiée dans The Index of Coincidence and its Applications in Cryptography. L indice permet de savoir si un texte a été… …
