'Original signal' diaporamas de présentation

SUBELEMENT T3 [3 Exam Questions - 3 Groups]

980 views • 73 slides

SUBELEMENT T3 [3 Exam Questions - 3 Groups]

922 views • 73 slides

ALARI/DSP INTRODUCTION -1

ALARI/DSP INTRODUCTION -1. Toon van Waterschoot & Marc Moonen Dept. E.E./ESAT, K.U.Leuven toon.vanwaterschoot@esat.kuleuven.be http://homes.esat.kuleuven.be/~tvanwate. INTRODUCTION-1 : Who we are. KU Leuven, Belgium

822 views • 71 slides

Chapter 4 Digital Transmission

Chapter 4 Digital Transmission. Stephen Kim . DIGITAL-TO-DIGITAL CONVERSION.

911 views • 66 slides

William Stallings Data and Computer Communications 7 th Edition

William Stallings Data and Computer Communications 7 th Edition. Chapter 5 Signal Encoding Techniques. Encoding Techniques. Digital data, digital signal Analog data, digital signal Digital data, analog signal Analog data, analog signal. Digital Data, Digital Signal. Digital signal

842 views • 58 slides

An Introduction to Time-Frequency Analysis

An Introduction to Time-Frequency Analysis. Speaker: Po-Hong Wu Advisor: Jian-Jung Ding Digital Image and Signal Processing Lab GICE, National Taiwan University. Outline. Introduction Short-Time Fourier Transform Gabor Transform Wigner Distribution Function Spectrogram S Tranform

843 views • 49 slides

Chapter 02 Radio Frequency & Antenna Fundamentals

Chapter 02 Radio Frequency & Antenna Fundamentals. Center for Information Technology. Objectives. Define and explain the basic concepts of RF behavior

1.39k views • 46 slides

Sampling theory Fourier theory made easy

Sampling theory Fourier theory made easy . Sampling, FFT and Nyquist Frequency. A sine wave. 5*sin (2 ?4t). Amplitude = 5. Frequency = 4 Hz. We take an ideal sine wave to discuss effects of sampling. seconds. A sine wave signal and correct sampling . 5*sin(2 ?4t). Amplitude = 5.

1.79k views • 39 slides

Chapter 2

Chapter 2. Radio Frequency Fundamentals. Exam Essentials. Understand wavelength, frequency, amplitude, and phase. Know the definition of each RF characteristic and how it can affect wireless LAN design. Remember all the RF propagation behaviors.

1.13k views • 35 slides

Convergence of Fourier Series

Convergence of Fourier Series. Can we get Fourier Series representation for all periodic signals. I.e. are the coefficients from eqn 3.39 finite or in other words the integrals do not diverge.

1.29k views • 35 slides

ECEC 453 Image Processing Architecture

ECEC 453 Image Processing Architecture. Lecture 5, 1/22/2004 Rate-Distortion Theory, Quantizers and DCT Oleh Tretiak Drexel University. Quality - Rate Tradeoff. Given: 512x512 picture, 8 bits per pixel Bit reduction Fewer bits per pixel Fewer pixels Both Issues:

460 views • 30 slides

The role of prosody in dialect authentication Simulating Masan dialect with Seoul speech segments

The role of prosody in dialect authentication Simulating Masan dialect with Seoul speech segments. Kyuchul Yoon Division of English, Kyungnam University The Joint Conference of The Korean Association of Speech Sciences & Korean Society of Phonetic Sciences and Speech Technology

413 views • 28 slides

Distributed Systems

Distributed Systems. Smart Cards, Biometrics, & CAPTCHA Paul Krzyzanowski pxk@cs.rutgers.edu ds@pk.org. Except as otherwise noted, the content of this presentation is licensed under the Creative Commons Attribution 2.5 License. Carrying certificates around.

359 views • 26 slides

Chapter Seven: Digital Communication

Chapter Seven: Digital Communication. Introduction. Many signals in modern communication systems are digital Additionally, analog signals are transmitted digitally Digitizing a signal results in reduced distortion and improvement in signal-to-noise ratios. Types of Signal Transmission.

399 views • 24 slides

Medical Images Texture Analysis Using Waveles

Medical Images Texture Analysis Using Waveles. Why Texture Analysis?. Method for differentiation between normal and abnormal tissue. Contrast between malignant tissue and normal tissue may be present but below the threshold of human perception.

420 views • 24 slides

Trigonometric Fourier Series

Trigonometric Fourier Series. Outline Introduction Visualization Theoretical Concepts Qualitative Analysis Example Class Exercise. Introduction. What is Fourier Series? Representation of a periodic function with a weighted, infinite sum of sinusoids. Why Fourier Series?

788 views • 23 slides

A BAYESIAN APPROACH TO SPELLING CORRECTION

647 views • 23 slides

Chapter Six: Receivers

Chapter Six: Receivers. Introduction. Two important specifications are fundamental to all receivers: Sensitivity: signal strength required to achieve a given signal-to-noise ratio Selectivity: the ability to reject unwanted signals. Receiver Topologies.

594 views • 23 slides

Module 3.1: Encoding and Modulating

Module 3.1: Encoding and Modulating. Conversion Schemes D to D Conversion A to A Conversion A to D Conversion D to A Conversion Final comments Why 56k modems, not more?. Different Conversion Schemes. Some Jargon: D to D encoding or conversion.

311 views • 22 slides

New functionalities for advanced optical interfaces ( Dispersion compensation)

New functionalities for advanced optical interfaces ( Dispersion compensation). Kazuo Yamane Photonic systems development dept. Outline. Chromatic dispersion effect Dispersion compensating techniques Optimization of residual dispersion or its map PMD compensation Conclusions .

497 views • 16 slides