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Brid.TV Introduces a Yield Optimization Engine for Publishers BELGRADE, Serbia, March 28, 2023 /PRNewswire/ -- Brid.TV, a leading provider of video monetization and management solutions
MyJournals.org - Science - 'Energies, Vol. 16, Pages 3017: Statistical Optimization of Chemo Sonic Liquefaction in Macroalgae for Biohydrogen Generation—An Energy-Effective Approach' (Energies)
HANOI, March 17 (Xinhua) -- Vietnam Binh Son refinery is able to run operations at up to 114 percent of capacity due to optimization of processing, Vietnam News
This paper considers the problem of direction-of-arrival (DOA) estimation for narrowband source signals under the coexistence of gain-phase uncertainties and nonuniform noise. Firstly, by exploiting the low-rank property of the covariance of signal components, and the diagonal property of noise covariance, an optimization problem with low-rank constraints is formulated to estimate the nonuniform noise covariance matrix, which is then solved efficiently by the alternating direction method of multipliers (ADMM). Secondly, a linear transformation operator is employed to construct a rank reduction...
Two-stage vapor compression technology can effectively improve the performance of an air source heat pump, and a staged compression system with two separate compressors has a highly flexible modulation capacity. However, the effect of different volume modulation approaches on the heating COP requires further analysis. In this study, a Modelica-based dynamic simulation model of a two-stage air-source heat pump was developed and verified with experimental data. A numerical optimization method was used to obtain the optimum frequencies and low- or high-stage cylinder volumes of the compressors th...