EECS 206 Labs

• Notice: Use Internet Explorer to download ".mat" files.
• Entire lab manual (student version, 171 pages)
  You could print the whole thing at once, although that would violate CAEN printing policies, or you could print each individual lab one at a time using the links below.
• Lab manual errata

• Lab0 student manual
• Matlab "reference card"
• file_code.m -- a demonstration function for performing JPEG compression
  
• sample_function.m -- a monolithic MATLAB function to demonstrate how to do a wide variety of things in MATLAB.

• Demo files:
  
• Lab1 student manual
sample_laboratory.doc -- Use this as a formatting guideline or a template for your laboratory assignment
lab1_sys_demo.m -- A demonstration system for use during lab section
sig_nosig_demo.p -- A working demonstration version of sig_nosig.m. (Note that this function only works on Windows systems running MATLAB version 6. It should work on any CAEN PC running Matlab 6.1.)
• Lab assignment files:
  
  • lab1_data.mat -- Two signals for use in this laboratory
  • lab1_sys1.m
  • lab1_sys2.m -- systems for use in Lab #1, Problem #3
  • sig_nosig.m -- A "skeleton" function for the signal/no signal detection
  • filtfilt.m (Needed if you don't have the Signal Processing toolbox.)

• Lab2 student manual
• Demo files:
  energy_demo.m -- demonstration of detection with using energy
  corr_demo.m -- demonstration of detection with correlation
  corr_view.m -- real-time demonstration of running correlation
  lab2_demo.mat -- sample data for corr_view.m
  run_corr_demo.p -- completed/compiled version of run_corr.

• Lab assignment files:
  code_signal.m -- function that generates code signals for multi-user communication system
  run_corr.m -- "skeleton" function for run_corr, which computes running correlation
  lab2_data.mat -- data files for radar system

• Lab3 student manual
• Demo files:
  ce_demo.m -- script that generates a 3-D plot of a complex exponential signal
  apc_demo.p -- completed/compiled version of apc.m
  fape_demo.p -- completed/compiled version of fape.m
  
• Lab assignment files:
  apc.m -- "skeleton" function for apc, which implements the "amplitude and phase calculator"
  fape.m -- "skeleton" function for fape, which implements the "frequency, amplitude, and phase estimator"
  lab3_data.mat -- data files for sinusoidal correlation

• Lab4 student manual
• Lab assignment files:
  sinsum.m and sinsum.fig -- Files for the "sum-of-sinusoids" GUI used in Problem #1
  lab4_data.mat -- data files for Lab #4
  fourier_synthesis.m -- function which performs Fourier Series synthesis
  fourier_analysis.m -- function which performs Fourier Series analysis
  fix_melody.m -- incomplete function to remove undesired component in a signal
  melody_check.m -- computes spectrogram for verifying problem #5

• Lab5 student manual
• Demo files:
  eagle.tif -- a demonstration image for compression
  file_code.m -- updated version of file_code, demonstrates several image compression routines
• Lab assignment files:
  cameraman.tif -- A standard image used for image processing
  display_square.m -- A function used to visualize the image values associated with small portions of an image
  quantize_fcn.m -- A function that implements quantization
  dft_block.m -- The transform portion of a transform encoder
  inverse_dft_block.m -- The inverse transformation portion of a transform decoder
  dft_coder.m -- The entire transform encoder

• Lab6 student manual
• Demo files:
  goldhill.tif -- a demonstration image for filtering
  mandrill.tif -- another demonstration image for filtering
• Lab assignment files:
  lab6_data.mat -- A set of signals for Lab #6
  g_smooth.m -- Produces coefficients for 1-D smoothing filters
  g_smooth2.m -- Produces coefficients for 2-D smoothing filters
  sharpen.m -- Sharpens an image with varying strength
  peppers.tif -- A "noise-free" image
  peppers_noise1.tif -- A noisy version of peppers.tif
  peppers_noise2.tif -- Another noisy version of peppers.tif
  peppers_blur.tif -- A blurred version of peppers.tif

• Lab7 student manual
• Demo files:
  dtmf_sound.wav -- a recording of a "real" DTMF signal
  dtmf_dial_demo.p -- demonstration version of the DTMF dialer function
• Lab assignment files:
  dtmf_dial.m -- the (incomplete) DTMF dialer function
  dtmf_filt_char.m -- function for characterizing bandpass filters for the DTMF decoder
  dtmf_decode.m -- the (incomplete) DTMF decoder function
  dtmf_attack.m -- function for testing the robustness of the DTMF detector to noise

• Lab8 student manual
• Demo files:
  lab8_example.m -- .m script that generates example figures for the laboratory background
  lab8_example2.m -- .m script that generates more example figures for the laboratory background
  feature_classifier_demo.p -- completed demo version of the feature classifier
  formant_classifier.dll -- complete vowel classifier (from sound recording to classification) using the formant features
  fbank_classifier.dll -- complete vowel classifier (from sound recording to classification) using the filter bank features
• Lab assignment files:
  lab8_data.mat -- required data for the laboratory assignment
  calc_formants.m -- calculates formant features from an short segment of a vowel signal
  calc_fbank.m -- calculates filter bank features from a short segment of a vowel signal
  feature_classifier.m -- skeleton function for the feature classifier
  confusion_matrix.m -- function used to calculate confusion matrices

• Lab9 student manual
• Demo files:
  lab9_demo.mat -- Data file for demonstrations in the lab section
  confusion_matrix_demo.p -- compiled function for computing confusion matrices
  ap_classifier.dll -- complete vowel classifier (from sound recording to classification) using the all-pole features
• Lab assignment files:
  lab9_data.mat -- required data for the laboratory assignment
  show_z2.m -- a function that displays a surface plot of the Z-plane for a given filter
  pole_zero_place3d.fig and pole_zero_place3d.m -- files for Pole-Zero Place 3-D GUI