نتایج جستجو برای: frequency domain method

تعداد نتایج: 2356580  

Journal: :iranian journal of radiology 0
ali akbar khadem jalal jalal shokouhi jaam e jam medical center

radiology and imaging data of patient is the main and the most important data of the patient. not only it shows disease of patient, but also it is included of the body geometry such as 2d and 3d. gathering and saving of radiology images and data for different patients can be useful for future statistic studies. many questions like, how to, why, in which and etc can be answered by statistic meth...

Gh. Abed Hodtani M. Molavi-Kakhki M. Sheikh-Hosseini,

In this paper we propose a new space diversity scheme for broadband PLC systems using orthogonal space-time block coding (OSTBC) transmission combined with single-carrier frequency-domain equalization (SC-FDE). To apply this diversity technique to PLC channels, we first propose a new technique for combining SC-FDE with OSTBCs applicable to all dispersive multipath channels impaired by impulsive...

Journal: :Mathematical Problems in Engineering 2022

This study introduces a challenge faced by CNN in the task of traffic sign detection: how to achieve robustness distributional shift. At present, all kinds models rely on strong data augmentation methods enrich samples and robustness, such as Mosaic Mixup. In this study, we note that these do not have similar effects combating noise. We explore performance strategies against disturbance differe...

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