نتایج جستجو برای: back lobe suppression
تعداد نتایج: 316925 فیلتر نتایج به سال:
A novel short half-width microstrip leaky wave antenna (MLWA) with suppressed back lobes is introduced. The design contains an oblique shape termination and a linked square metal with a grounded via hole. The oblique shape termination changes the direction of the reflected wave, and a linked square metal with a grounded via hole guides the remainder power of the reflected wave to the ground pla...
Single-unit recording studies of monkeys have shown that neurons in perirhinal and entorhinal cortex exhibit activity reductions following stimulus repetition, and some have suggested that these "repetition suppression" effects may represent neural signals that support recognition memory. Critically, repetition suppression effects are most pronounced at short intervals between stimulus repetiti...
Abstract Frequency diverse array (FDA), which can be combined with Multiple-input-Multiple-output (MIMO) to improve the performance of system, and range information provided by FDA-MIMO radar provides a new idea for suppressing main lobe interference. However, periodicity angle-range two-dimensional beam pattern also causes some safety hazards beamforming process. When interference is located i...
Background and Aim: A biliary tract intraductal papillary mucinous neoplasm (IPMN-B), considered a precursor for cholangiocarcinoma, is characterized by intraluminal masses increased mucin secretion that obstructs dilates the tree. 1 The rare cystic tumors, neoplasms of liver (MCN-L), rarely extend into bile ducts, however there are few case reports. 2 Case Report: 54 Years Male, presented with...
A 38-year old man presented to the outpatient clinic with nonproductive cough and back pain. Positron emission tomography/ computed tomography images (Fig. 1) showed a pulmonary lesion in the right inferior lobe with 2-[18F] fluoro-2-deoxy-D-glucose (F-FDG) uptake and destructive bone lesions with intense FDG activity in T5 to T9 vertebrae. The diagnosis of tuberculosis was confirmed by broncho...
Abstract In this study, we examined the conditional indirect and direct relations of pain-related cognitions to depression. Subjective helplessness was included as presumably mediating catastrophizing thought suppression depression due motivational deficits. addition, moderating effects dispositional action versus state orientation were analyzed, whereby indicates volitional deficits in coping ...
This work proposes an easy-implement quadruple-frequency optical carrier suppression millimeter-wave (OCS-MMW) generation scheme for the generation and transmission of a 2.5 Gbps downlink data stream in a Radio over Fiber (RoF) system, based two commercially Dual-Drive Mach– Zehnder Modulator (DD-MZM). Theoretical analysis for back-to-back (B-T-B) transmission and optical fiber transmission is ...
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