نتایج جستجو برای: tent
تعداد نتایج: 1852 فیلتر نتایج به سال:
The present paper is aimed at introducing a new algorithm for image encryption using chaotic tent maps and the desired key image. This algorithm consists of two parts, the first of which works in the frequency domain and the second, in the time domain. In the frequency domain, a desired key image is used, and a random number is generated, using the chaotic tent map, in order to change the phase...
n engl j med 368;21 nejm.org may 23, 2013 1953 Some volunteers had been staff ing the medical tent for years — one nurse had worked at the Bos ton Marathon more than 25 times. Sickened and stressed runners poured into our makeshift hos pital. A runner stumbled in and vomited into a bag. We helped him onto a cot, where he sat shivering. “You’re OK,” a nurse said gently, wiping his face. But h...
To analyze the trade-off between channel capacity and noise-resistance in designing dynamical systems to pursue the idea of communications with chaos, we perform a measure theoretic analysis the topological entropy function of a “gap-tent map” whose invariant set is an unstable chaotic saddle of the tent map. Our model system, the “gap-tent map” is a family of tent maps with a symmetric gap, wh...
with mesh size of 1 mm2) were set up next to each other in the botanical garden of the University of Wuerzburg. Each tent was used for three experimental series and contained either 10 plants of the bell pepper (Capsicum annuum) with 6–15 leaves per plant, or 10 plants of the soybean (Glycine max) with 11– 30 leaves per plant (see Figure S1 in the Supplemental data available on-line with this i...
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