ECE 301: Signals and systems

Ikbeom Jang, Summer 2015

Course Information

• Instructor: Ikbeom Jang
  • Office: EE 30
  • Office hour: TR 1-3 pm
  • Email: ikbeom.jang.1@purdue.edu

• Teaching Assistant: Ashley Eidsmore
  • Office hour: MF 1-3 pm at EE 209
  • Email: aeidsmor@purdue.edu

• Course Information
• Broad Course Outline / Updated Course Outline
• Course Description
• Important Dates:
  • Midterm: July 10th, 2015 (Fri)
  • Final: August 7th, 2015 (Fri) 8-10 am

Lecture Blog

• Copies of lecture notes will be uploaded every day but they will be gone after the weekend. The purpose is to make you study by reviewing lecture notes every day or at least every week.

Chap 0. Review of Some Basic Concepts

Complex Number Review / Energy and Power of Signals

Chap 1. Signals and Systems

0615Mon 0616Tue 0617Wed 0618Thu 0619Fri

Chap 2. Linear Time Invariant Systems

0622Mon 0623Tue 0624Wed 0625Thu 0626Fri

Summary of Some Convolution Results and Properties

0629Mon 0630Tue 0701Wed 0702Thu 0707Tue

Chap 3. Fourier Series for Periodic Signals

0702Thu 0706Mon

Chap 4. Continuous-Time Fourier Transform

0707Tue 0708Wed 0709Thu

0713Mon 0714Tue 0715Wed 0716Thu 0717Fri

Continuous-Time Fourier Transform Table / US Frequency Allocation

Continuous-Time Fourier Transform Table in Hertz

0720Mon 0723Thu

Chap 7. Sampling Theory

0721Tue 0722Wed 0723Thu

Chap 5. Discrete-Time Fourier Transform

0724Fri 0727Mon 0728Tue 0729Wed 0730Thu 0731Fri

0803Mon

Discrete-Time Fourier Transform Properties / Pairs

Practice problems

Textbook Problems

- Chap 1: 3, 18, 20, 21, 22, 23, 25, 26, 28, 32(3,4), 34, 42, 48, 49(c,g,k,l)

- Chap 2: 5, 11, 21, 22(a,b), 23, 24, 26, 28, 29, 40, 48(a,b,d,f), 55, 57

- Chap 3: 22, 23, 24, 25, 28(c,d), 29, 36, 40, 48(a~e), 50, 60(a,b,g)

- Chap 4: 1, 2, 4, 10, 12, 21, 22(a~d), 23, 24(a), 25, 26, 27, 28, 32, 34, 38, 39, 42

- Chap 5: 1, 2, 3, 6, 12, 21, 22, 27, 29, 35, 50

Exercise Problems on Frequency Response(H(w))

Homeworks

• Homework assignments are due every Tuesday in class. Late submission is not accepted.

HW1 Solutions 7b Explained

HW2 Solutions

HW3 Waveforms Solutions

HW4 Solutions

HW5 Solutions

HW6 Solutions

HW7

Exams

Midterm Exam / Solution / Histogram

Presentations

• Check your presentation schedule here.

Grades-So-Far

• Check your grades for Hwk, Quiz, and Midterm here.

Resources

• Convolution in Animation

• Signal Modulation

• Fourier Transform (Talk by Prof. Joe Havlicek explaining the meaning of the Fourier transform very clearly using music.)

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