Data Encoding Part V : Analog to Analog Conversion Surasak - PDF document

Oct 13, 2023 •313 likes •361 views

1/7 Data Encoding Part V : Analog to Analog Conversion Surasak Sanguanpong nguan@ku.ac.th http://www.cpe.ku.ac.th/~nguan Last updated: 25 November 2004 Applied Network Research Group Department of Computer

1/7 Data Encoding Part V : Analog to Analog Conversion Surasak Sanguanpong nguan@ku.ac.th http://www.cpe.ku.ac.th/~nguan Last updated: 25 November 2004 Applied Network Research Group Department of Computer Engineering, Kasetsart University 2/7 Analog Data, Analog signal � Use Modulation techniques � Need a high frequency for effective transmission � Modulation permits frequency division multiplex Applied Network Research Group Department of Computer Engineering, Kasetsart University 1
3/7 Analog Modulation Amplitude-modulated wave Carrier Frequency-modulated wave Modulating sine-wave signal Phase-modulated wave Applied Network Research Group Department of Computer Engineering, Kasetsart University 4/7 AM Spectrum Modulated signal Modulating signal s ( f ) V m carrier V m Upper Lower sideband sideband f V c f m 2 f Carrier signal f c - f m f c f c + f m V c 2 f m Bandwidth Each sideband contains the complete spectrum modulating signal f f c Applied Network Research Group Department of Computer Engineering, Kasetsart University 2
5/7 AM band allocation 1700 KHZ 540 KHz f c1 f c2 f c3 540 KHz 550 KHz 560 Kz 10 KHz 10 KHz 10 KHz Applied Network Research Group Department of Computer Engineering, Kasetsart University 6/7 FM band allocation 108 MHz 88 MHz No station here No station here CH CH CH CH1 CH2 CH3 CH4 ……………………………. 98 99 100 N = 5 ( f -47.9) N=201 N=202 N=203 25 KHz Guard band 25 KHz Guard band 25 KHz Guard band 25 KHz Guard band 25 KHz Guard band 25 KHz Guard band f c1 f c2 f c3 N= broadcast channel number 88.1 MHz 88.3 MHz 88.5 MHz f = frequency in MHz 150 KHz 150 KHz 150 KHz 200 KHz 200 KHz 200 KHz http://www.fcc.gov/mmb/asd/bickel/oddno.html Applied Network Research Group Department of Computer Engineering, Kasetsart University 3
7/7 FM and PM Carrier Modulating sine-wave signal Amplitude-modulated (DSBTC) wave Phase-modulated wave Frequency-modulated wave Applied Network Research Group Department of Computer Engineering, Kasetsart University 4

Recommend

1 Comparison of Encoding Comparison of Encoding Schemes (1) Schemes (2) Signal Spectrum

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

335 views • 10 slides

Encoding and Decoding Data Data is o(en encoded, or converted into a

Encoding and Decoding Data Data is o(en encoded, or converted into a different form using a set of rules, and then decoded and changed back into its

368 views • 7 slides

STATS 507 Data Analysis in Python Lecture 12: Text Encoding and Regular Expressions Some slides

STATS 507 Data Analysis in Python Lecture 12: Text Encoding and Regular Expressions Some slides adapted from C. Budak Structured data Increasing structure Storage: bits on some storage medium (e.g., hard-drive) Encoding: how do bits correspond

835 views • 37 slides

STATS 507 Data Analysis in Python Lecture 13: Text Encoding and Regular Expressions Some slides

STATS 507 Data Analysis in Python Lecture 13: Text Encoding and Regular Expressions Some slides adapted from C. Budak Structured data Increasing structure Storage: bits on some storage medium (e.g., hard-drive) Encoding: how do bits correspond

833 views • 37 slides

Instruction Encoding CSE378 W INTER , 2001 63 Introduction MIPS Encoding Remember that in a

Instruction Encoding CSE378 W INTER , 2001 63 Introduction MIPS Encoding Remember that in a stored program computer, instructions are The nice thing about MIPS (and other RISC machines) is that it stored in memory (just like data) has

157 views • 4 slides

Visual Encoding of Dissimilarity Data via Topology-Preserving Map

Visual Encoding of Dissimilarity Data via Topology-Preserving Map Deformation * CPSC 547: Information Visualization Felix Grund *Cartography 1 We love maps! Source:

358 views • 34 slides

Introd u ction to Te x t Encoding FE ATU R E E N G IN E E R IN G FOR MAC H IN E L E AR N IN G

Introd u ction to Te x t Encoding FE ATU R E E N G IN E E R IN G FOR MAC H IN E L E AR N IN G IN P YTH ON Robert O ' Callaghan Director of Data Science , Ordergroo v e Standardi z ing y o u r te x t E x ample of free te x t : Fello w- Citi z

808 views • 46 slides

Statistical Encoding of Succinct Data Structures alez 1 Gonzalo Navarro 1 Rodrigo Gonz 1

Outline Statistical Encoding of Succinct Data Structures alez 1 Gonzalo Navarro 1 Rodrigo Gonz 1 Department of Computer Science Universidad de Chile Combinatorial Pattern Matching, 2006 Gonz alez, Navarro Statistical Encoding of Succinct

1.17k views • 80 slides

??? Encode dissimilarity between locations as edge weights distance

But when it comes to science Lets split the title Visual Encoding of Dissimilarity Data via Topology-Preserving Map Deformation Visual Encoding of Dissimilarity

596 views • 3 slides

Compression Overview Multimedia Encoding and Compression Huffman codes Lossless

Compression Overview Multimedia Encoding and Compression Huffman codes Lossless Outline data received = data sent Compression used for executables, text files, numeric data RTP Lossy Scheduling data received

83 views • 4 slides

Einfhrung in Visual Computing Unit 5: Image Encoding and Compression http://

12.03.2013 Einfhrung in Visual Computing Unit 5: Image Encoding and Compression http:// www.caa.tuwien.ac.at/cvl/teaching/sommersemester/evc Content: Introduction to Encoding Image File Formats Information vs. Data Introduction

414 views • 40 slides

Deep Encode: Machine Learning for Per-Title Encoding Daniel Silhavy| IBC20| Per-Title Encoding

Fraunhofer FOKUS Institut fr Offene Kommunikationssysteme Deep Encode: Machine Learning for Per-Title Encoding Daniel Silhavy| IBC20| Per-Title Encoding What & Why & 1 How? Benefits of Per-Title Encoding Storage and bitrate

342 views • 12 slides

Einfhrung in Visual Computing Unit 5: Image Encoding and Compression http://

Einfhrung in Visual Computing Unit 5: Image Encoding and Compression http:// www.caa.tuwien.ac.at/cvl/teaching/sommersemester/evc Content: Introduction to Encoding Image File Formats Information vs. Data Introduction into

838 views • 72 slides

61A Extra Lecture 4 Announcements Encoding Strings Representing Strings: UTF-8 Encoding 4

61A Extra Lecture 4 Announcements Encoding Strings Representing Strings: UTF-8 Encoding 4 Representing Strings: UTF-8 Encoding UTF (UCS (Universal Character Set) Transformation Format) 4 Representing Strings: UTF-8 Encoding UTF (UCS

1.62k views • 99 slides

Application Layer Protocols and Data Encoding for Constrained Devices W3C Web of Things

Hauke Petersen Computer Systems and Telematics Breakout session on Application Layer Protocols and Data Encoding for Constrained Devices W3C Web of Things Workshop Contents 1) Constrained devices 2) Radio/Network technologies 3) Common

1.15k views • 7 slides

Data Encoding Part IV : Analog to Digital Conversion Surasak Sanguanpong nguan@ku.ac.th

1/12 Data Encoding Part IV : Analog to Digital Conversion Surasak Sanguanpong nguan@ku.ac.th http://www.cpe.ku.ac.th/~nguan Last updated: 25 November 2004 Applied Network Research Group Department of Computer

80 views • 6 slides

Data Encoding Part III Digital to Analog Conversion Surasak Sanguanpong nguan@ku.ac.th

1/13 Data Encoding Part III Digital to Analog Conversion Surasak Sanguanpong nguan@ku.ac.th http://www.cpe.ku.ac.th/~nguan Last updated: 25 November 2004 Applied Network Research Group Department of Computer

389 views • 7 slides

Signal Encoding Techniques Digital Signals Digital Data, Analog Signals Analog Data, Digital

ITS323/CSS331 Signal Encoding Introduction Digital Data, Signal Encoding Techniques Digital Signals Digital Data, Analog Signals Analog Data, Digital Signals ITS323: Introduction to Data Communications Analog Data, CSS331: Fundamentals

638 views • 35 slides

CS 241 Data Organization Uuencoding January 30, 2018 What is uuencode ? uuencode name is

CS 241 Data Organization Uuencoding January 30, 2018 What is uuencode ? uuencode name is derived from Unix-to-Unix encoding Binary to text encoding used to send binary files via email and newsgroups uudecode recreates original

310 views • 5 slides

Progressive Encoding and Compression of Surfaces Generated from Point Cloud Data J. Smith, G.

Progressive Encoding and Compression of Surfaces Generated from Point Cloud Data J. Smith, G. Petrova, S. Schaefer Texas A&M University Motivation Digital Michelangelo Project Motivation StreetMapper 360 Motivation EarthScope LiDAR

948 views • 67 slides

I590 Interactive Visual Analytics Week 5 | Sep 21, 2016 Data Abstraction Visual Encoding Khairi

I590 Interactive Visual Analytics Week 5 | Sep 21, 2016 Data Abstraction Visual Encoding Khairi Reda | redak@iu.edu School of Informa5cs & Compu5ng, IUPUI Project 1 Due Tuesday, Sep 27 at 8:59 PM Turn in as online web pages: Video with

625 views • 50 slides

Language and Computers Relation to language Encoding written Prologue: Encoding Language

Language and Computers Prologue: Encoding Language Writing systems Alphabetic Syllabic Logographic Systems with unusual realization Language and Computers Relation to language Encoding written Prologue: Encoding Language language

760 views • 63 slides

Language and Computers Relation to language Encoding written language Prologue: Encoding

893 views • 60 slides

Signal Encoding Techniques Digital Data, Analog Signals Analog Data, Digital Signals ITS323:

ITS323 Signal Encoding Introduction Digital Data, Digital Signals Signal Encoding Techniques Digital Data, Analog Signals Analog Data, Digital Signals ITS323: Introduction to Data Communications Analog Data, Analog Signals Sirindhorn

787 views • 40 slides