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The structure of convergent-divergent nozzle has a great effect on its performance. In this paper, the cylindrical section and the diffusion section of the nozzle were connected with a rounded corner, and 0, 5, 9, 15, 25 mm were respectively selected as the rounded corner. Numerical simulations of convergent-divergent nozzles with different corner radius were conducted. And the impact of the corner...
The integral equation (IE) method is commonly used to model time-harmonic electromagnetic (EM) phenomena. One of the major challenges in its application arises in the solution of the resulting ill-conditioned matrix equations. Here, we introduce a new domain decomposition (DD) based iterative method for the IE solution of time-harmonic electromagnetic problems. There are two major ingredients in the...
The integral equation (IE) method is commonly used to model time-harmonic electromagnetic (EM) phenomena. One of the major challenges in its application arises in the solution of the resulting ill-conditioned matrix equation. Here, we introduce a new domain decomposition (DD) based iterative method for the IE solution of time-harmonic electromagnetic problems. There are two major ingredients in the...
In this letter, we present a planar nonuniform meander-line monopole antenna (NUMMA) with a back-coupled patch (BCP) for WLAN applications in IEEE 802.11a/b/g systems. Effects of the BCP on the resonant and radiation characteristics of the NUMMA are analyzed. Measured and simulated values of return loss and radiation patterns have been obtained. Good impedance bandwidth and omni-directional radiation...
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