i I affirm, that I have created this diploma thesis on my own, with the exclusive usage of the refer-enced literature. Contents Introduction 1 1 Mathematical background 3 1. A Test images 77 iii iv CONTENTS Introduction The discrete wavelet transformation (see section 1.1 for details) has become a very popular tool to preprocess images to improve the performance of many tasks in the field of an...

Abstract Viscoelastic materials is a kind of damping which has been wildly applied in vibration control ocean and civil engineering, viscoelastic mostly work complex thermoelectric multi-field coupled environment. In this work, two-dimensional plate studied with stain relaxation time time. The placed magnetic field, the upper surface subjected to thermal shock. problem investigated by modified ...

Linear stability analysis of the three dimensional plane wake flow is performed using a mapped finite di?erence scheme in a domain which is doubly infinite in the cross–stream direction of wake flow. The physical domain in cross–stream direction is mapped to the computational domain using a cotangent mapping of the form y = ?cot(??). The Squire transformation [2], proposed by Squire, is also us...

The intra-pulse modulation of radar emitter signals is a key feature for analyzing systems. Traditional methods which require tremendous amount prior knowledge are insufficient to accurately classify the modulations. Recently, deep learning-based methods, especially convolutional neural networks (CNN), have been used in classification signals. However, those two-dimensional CNN-based dimensiona...