نتایج جستجو برای: covering array
تعداد نتایج: 184757 فیلتر نتایج به سال:
The Cosmic Evolution Survey (COSMOS) targets an equatorial two square degree field covering the full electromagnetic spectrum. Here we present first results from observations of the COSMOS field in the millimeter and centimeter regime done with the IRAM 30m/MAMBO array and NRAO’s Very Large Array (VLA) at 250GHz and 1.4GHz, respectively.
To validate the theoretically predicted performance of root based direction finding (DF) algorithms an experimental test bed was assembled covering the 18501910 MHz band. A fourelement antenna array with uniform interelement spacing was emulated using variable phase shifters creating what is essentially a decoupled array environment. The array outputs were down converted using standard analogue...
We consider definably compact groups in an o-minimal expansion of a real closed field. It is known that to each such group G is associated a natural exact sequence 1→ G00 → G → G/G00 → 1 where G00 is the “infinitesimal subgroup” of G and G/G00 is a compact real Lie group. We show that given a connected open subset U of G/G00 there is a canonical isomorphism between the fundamental group of U an...
Covering arrays are structures for well-representing extremely large input spaces and are used to efficiently implement blackbox testing for software and hardware. This paper proposes refinements over the In-Parameter-Order strategy (for arbitrary t). When constructing homogeneous-alphabet covering arrays, these refinements reduce runtime in nearly all cases by a factor of more than 5 and in so...
Combinatorial testing applies factor covering arrays [6, 7] to test all t-way combinations of input or configuration state space. In some testing situations, it is not practical to use covering arrays, but any set of tests with n parameters covers at least some proportion of t-way combinations up to t ≤ n. This report describes measures of combinatorial coverage that can be used in evaluating t...
Combinatorial testing applies factor covering arrays [6, 7] to test all t-way combinations of input or configuration state space. In some testing situations, it is not practical to use covering arrays, but any set of tests with n parameters covers at least some proportion of t-way combinations up to t ≤ n. This report describes measures of combinatorial coverage that can be used in evaluating t...
Given a vector space V and a non-singular quadratic form Q on V , the orthogonal group O(Q) is the subgroup of GL(V ) that preserves Q. The special orthogonal group SO(Q) is given by O(Q) ∩ SL(V ). If Q is the standard inner product on R then SO(Q) is denoted SO(n). This is a connected, compact Lie group. For n > 2, the group is semi-simple. In the case that n is odd, SO(n) corresponds to the D...
ابتدا تعاریف و مفاهیمی را که در این رساله مورد استفاده قرار می گیرد را بیان می کنیم. سپس به معرفی فضاهایی می پردازیم که با آن ها سر و کار خواهیم داشت. و در پایان به معرفی چند قضیه و اصل می پردازیم. رده ای از دستگاه های بیضوی شبه خطی تباهیده egin{equation*} left{egin{array}{ll} -div (h_1 (x)| abla u|^{p-2} abla u )=lambda a(x)|u|^{p-2}u +lambda b(x)|u|^{alpha-1}|v|^{eta+1}u+f...
Integrated InP/InGaAsP phased-array 1x16 optical switch is fabricated and characterized for broadband WDM optical packet switching. Wavelength-insensitive operation covering the C-band and penalty-free transmission of 40-Gbps signal are demonstrated.
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