نتایج جستجو برای: fov
تعداد نتایج: 2793 فیلتر نتایج به سال:
PURPOSE To compare the diagnostic ability of reduced FOV diffusion-weighted (DW) MR imaging with that of 3D dynamic contrast-enhanced (DCE) MR imaging in evaluating the depth of myometrial invasion in patients with endometrial cancer. METHODS Three tesla MR images including T2-weighted imaging, reduced FOV DW imaging and 3D DCE MR imaging in sagittal and oblique axial (short axis) planes in 2...
Introduction In human MRI, it is common to use one radiofrequency coil to produce a homogeneous excitation field, but use a separate surface coil or array of coils for increased detection sensitivity. Multiple-mouse MRI (MMMRI) accelerates preclinical studies by imaging multiple mice simultaneously [1]. Although MMMRI was originally reported using an array of shielded transmit-receive (Tx-Rx) c...
Fusarium oxysporum f. sp. vanillae (Fov) is the main phytosanitary problem of Vanilla planifolia, invading root and causing rotting up to 80% plants. The histological process used study morphological characteristics tissues interest published a protocol check Fov-V. planifolia interaction that was not reproducible under our conditions, so aimed adapt procedure allows differential analysis mecha...
This study aims to evaluate the automated measurement of slice sensitivity profile (SSP) on American Association Physicists in Medicine (AAPM) computed tomography (CT) performance phantom for variations thickness and field view (FOV). The AAPM CT was scanned using a Philips MRC 880 Scanner FOV. values were 1, 3, 5 mm. FOV 240, 300, 340, 400, 440 SSPs their fullwidth at half maximums (FWHMs) aut...
Photodetectors used in wireless applications suffer from a trade-off between their response speeds and active areas, which limits the received signal-to-noise ratio (SNR). Conventional light-focusing elements to improve SNR narrow field of view (FOV). Herein, we demonstrate versatile imaging element featuring wide FOV high optical gain using fused fiber-optic tapers. To verify practicality prop...
This paper analyzes the power ratio between the directed line of sight configuration links increased by reducing the receiver Field of View (FOV). Line of Sight systems employ high degree of directionality of the transmitter and receiver and uninterrupted LOS. LOS link design reduces multipath distortion and increases power efficiency. The performance of the link relies upon the existence of an...
Critical points were computed to determine the minimum field of view (FOV) size required for efficient navigation. Navigation performance in 20 normally sighted subjects was assessed using an immersive virtual environment. Subjects were instructed to walk through a virtual forest to a target tree as quickly as possible without hitting any obstacles (trees, boulders, and holes). The navigation t...
For a wide field of view (FoV) wavefront coding athermalized infrared imaging system with a single decoding kernel, the off-axis aberration tends to cause artefacts. In order to correct offaxis aberration, many pieces of lenses will reduce the transmission efficiency and increase the weight and cost. To meet requirements for wide FoV, wide operating temperature and low weight of infrared imagin...
Seeking in a field of view (FOV) is influenced by the existence of jammers, noise, shine background or flying perturbations. All these factors may push the target out of the FOV and cause missing the target. In all the seekers the FOV is not fully exploited which means the target can be missed before becoming out of the FOV, this results of the nonlinearity of the reticle structure. In this pap...
In Australia, indigenous Fusarium oxysporum consist of at least five genetically distinct lineages and the two strains (VCG 11&12) of F. oxysporum f. sp. vasinfectum (Fov) are genetically related to lineage A, suggesting that they evolved locally. This is consistent with the observation that virulence of a lineage A isolate increased after 10 successive infections on susceptible cotton in the g...
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