Lecture Overview This Time ECE 222 Signals & Systems I • Syllabus • Miscellaneous Notes ece.pdx.edu/ ∼ ece2xx/ECE222 • Class overview & logistics • Introduction to Signals & Systems Dr. James McNames mcnames@pdx.edu Electrical & Computer Engineering J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 1 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 2 Classrooms Textbooks We will use the distance learning technology to enable attendance in Fundamentals of Electric Circuits , 2nd ed., by Alexander & Sadiku multiple classrooms • Students like it • DLC 204: seats 48 students, room from which I will teach – Concise • Will also probably use DLC 304 for exams – Orderly presentation – Easy to follow methodology (step-by-step mechanics) • Windows Media Stream: 1-way audio & video, need fast connection – Many examples • Windows Media Archive: 1-way audio & video, posted within • I didn’t like it 24 hours of lecture, can skip forwards and backwards – Homework problems too easy and insufficient variation – Homework solutions used poor & inconsistent methodology – Examples and problems contain unrealistic circuit elements – Introduction to systems analysis odd (ECE 222) • Leading alternative: Nilsson & Riedel’s Electric Circuits , 6th ed. J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 3 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 4
Textbooks Continued Our Path — Planned Signals & Systems • Fundamentals of Signals • Relatively new textbook by an established and well-known author • Linear Time-Invariant Systems • Verbose, but thorough • Convolution • Students haven’t liked it, but I don’t know of a better alternative • Laplace Transform • Will try to follow closely • Laplace Transform Circuit Analysis • My notation may differ from the textbook slightly • Transfer Functions • Required • Two-Port Networks • Bode plots • Pole-zero diagrams • Analog Filters J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 5 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 6 Course Resources Course Web Site • Textbooks URL: http://ece.pdx.edu/ ∼ ece2xx/ECE222 • IEEE Tutors • Syllabus • Course web site • Course outline • Lecture notes • Lecture notes • Homework solutions • Online lectures • Distance learning classroom • Errata • Web site: http://ece.pdx.edu/ ∼ ece2xx/ECE222 • Homework assignments & solutions • Previous course web pages (old exams) • Grades J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 7 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 8
Lecture Notes Homework & Online Lectures • Lecture slides are posted on the class web site • Homework solutions will be posted shortly after assigned • I will be updating them slightly this term • Previous students have used the solutions as a learning tool • Watch for updates as late as 30 min prior to lecture • Lectures will also be posted online • Updates will be mostly minor • Both will be password protected – User name: ECE222 (no space) • Workspace is provided for examples that will be filled in during lecture – Password: PoleZero • Helpful to print them out beforehand J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 9 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 10 Exams 6-digit Codes • Exams may include questions on concepts covered in ECE 221 • I use 6-digit codes to post your grades online and for anonymous identification on exams • Exams from previous terms are available online • Email code to me this week • Can be any character that you can send via a plain-text email • Remember it for exams • Homework labelling: – First letter in last name – 6 digit code – Class & term (ECE 222, Winter Term 2006) • Example – M-1A2B3C – ECE 222 – Winter 2006 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 11 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 12
Homework Assignment 1 Scientific Calculators • Less important than for ECE 221 • Email me 6-digit code • This term will work more with variables than numbers • Read – Chapter 1 of Signals & Systems, Sections 1.1–1.6, 1.11 • Will not be allowed during exams – Appendix A.2 of Signals & Systems – Appendix B of Electric Circuits • Problems – SS Ch. 1: 6,8,9d,9g,14c,14d,21,48,49,52e – EC Ap. B: Practice problems 1–5 • Assignment is also posted on the class web site • Solutions are also posted • Due on Wednesday, January 18 – 1.5 weeks J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 13 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 14 Logistics: Text & Lab Assignment Errata General Comments on Class • Challenging • Each error worth 50% of a homework • Rapid pace, but slower than ECE 221 • Find two errors = can skip an assignment • Less number crunching, more abstract analysis than ECE 221 • Cannot receive more than full credit for homework • Many new abstract concepts • Typos and grammar do not count • Essential knowledge for other ECE classes, especially ECE 321 • Must be first to email me • Focus will be on concepts, not the math • Known errata are posted on the web site • New HW will be assigned this term, so expect errors in the HW solutions • There tend to be more errors in the solutions than the texts J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 15 J. McNames Portland State University ECE 222 Winter 2006 Lecture 1 16
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