A thorough analysis of the performance planar arrays with a regular periodic lattice is carried out and applied to massive multiple-input-multiple-output (MIMO) systems operating within 5G NR n257 n258 frequency band. It shown that, among different arrangements uniform spacing, triangular guarantees reduction Average Side Lobe Level (ASLL), better angular scan resolution main beam predefined se...

Fig. 1.?Shows abscess cavity with fluidlevel in the peripheral part of the lower lobe of the right lung. Fig. 1.?Shows absces cavity with fluidlevel in the peripheral part of the lower lobe of the riaiht lunar. Fig. 2.?Shows skiagram taken on the 5th postoperative day after right lower lobectomy. The seventh rib is resected and smaller segments of 8 and 9 ribs have been removed with the lobe. T...

This paper presents a novel technique for the synthesis of unequally spaced linear antenna array. The modified Invasive Weed Optimization (IWO) algorithm is applied to optimize the antenna element positions for suppressing peak side lobe level (PSLL) and for achieving nulls in specified directions. The novelty of the proposed approach is in the application of a constraint-based static penalty f...

PURPOSE Epilepsy surgery is associated with a risk of cognitive deterioration, but improvement has also been reported. Improvements have mostly been attributed to seizure control, neglecting changes in drug treatment during the observation period. We evaluated whether changes of antiepileptic treatment affect cognitive outcome one year after epilepsy surgery. METHODS This retrospective study ...

PURPOSE To compare the ability of qualitative fludeoxyglucose F 18 positron emission tomography (QPET), qualitative MR imaging (QMR), and quantitative MR imaging with hippocampal formation volumetric assessment (HV MR) to lateralize the seizure focus in patients with temporal lobe epilepsy. METHODS Sixteen consecutive patients undergoing presurgical examination for temporal lobe seizures had ...

Bronchoscopic Lung Volume Reduction (BLVR) and Surgical Lung Volume Reduction (SLVR) and are two different approaches used to remodel severely emphysematous lungs to improve lung function and quality-of-life. We present a case initially referred for lung transplantation, where sequential left upper lobe BLVR and 7 years later right upper lobe SLVR, providing enduring physiological and functiona...