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milestone_2_task_3 [2022/03/18 17:01] scott |
milestone_2_task_3 [2023/01/15 00:38] (current) scott [Pass Off] |
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| * Filter the resulting 10 ksamples/s signal using the 10 IIR bandpass filters | * Filter the resulting 10 ksamples/s signal using the 10 IIR bandpass filters | ||
| * Calculate and display the signal energy of each of the 10 resulting filtered signals | * Calculate and display the signal energy of each of the 10 resulting filtered signals | ||
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| ===== General Notes ===== | ===== General Notes ===== | ||
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| - The center-of-passband frequencies for the filters are the ten player frequencies | - The center-of-passband frequencies for the filters are the ten player frequencies | ||
| - For this task, you should read in your 'b' and 'a' coefficients from the file(s) you saved them in when you designed the filter in Task 1 | - For this task, you should read in your 'b' and 'a' coefficients from the file(s) you saved them in when you designed the filter in Task 1 | ||
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| - | ===== Pass Off ===== | ||
| - | Show the following plots for a shot by player 1. | ||
| - | - Time-domain plot of square wave for player 1 | ||
| - | - f = 1471Hz | ||
| - | - Amplitude of 0.1V (square wave with voltage of either 0 or 0.1V) | ||
| - | - Zoom in on a section of the x-axis 4ms wide when you are showing this for pass off | ||
| - | - y-axis of -1V to 1V | ||
| - | - Sampling frequency of Fs = 100kHz | ||
| - | - Time-domain plot of optical noise (from lights.mat) | ||
| - | - Same axis as square wave | ||
| - | - Time-domain plot showing sum of optical noise and square wave | ||
| - | - Same axis as square wave | ||
| - | - Frequency-domain plot of sum of optical noise and square wave (on an axis going from 0 to 50 kHz) | ||
| - | - Frequency-domain plot of decimated signal (on an axis going from 0 to 5 kHz) | ||
| - | - Low pass filter signal and then down-sampled to Fs = 10kHz | ||
| - | - Then use fft to view in frequency domain | ||
| - | - Frequency-domain signal filtered by bandpass filter centered at f = 1471Hz | ||
| - | - Frequency-domain signal filtered by bandpass filter centered at another player frequency | ||
| - | - The signal energy for the signal through all 10 bandpass filters | ||
| - | - Signal length of 200ms | ||
| ===== Resources ===== | ===== Resources ===== | ||
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| - A 1-paragraph summary of what was accomplished in this task | - A 1-paragraph summary of what was accomplished in this task | ||
| + | ===== Pass Off ===== | ||
| + | Show the following plots for a shot by player 1: | ||
| + | - Time-domain plot of square wave for player 1 | ||
| + | - f = 1471Hz | ||
| + | - Amplitude of 0.1V (square wave with voltage of either 0 or 0.1V) | ||
| + | - Zoom in on a section of the x-axis 4ms wide when you are showing this for pass off | ||
| + | - y-axis of -1V to 1.5V | ||
| + | - Sampling frequency of Fs = 100kHz | ||
| + | - Time-domain plot of optical noise (from lights.mat) | ||
| + | - Same axis as square wave | ||
| + | - Time-domain plot showing sum of optical noise and square wave | ||
| + | - Same axis as square wave | ||
| + | - Frequency-domain plot of sum of optical noise and square wave (on an axis going from 0 to 50 kHz) | ||
| + | - Frequency-domain plot of decimated signal (on an axis going from 0 to 5 kHz) | ||
| + | - Low pass filter signal and then down-sampled to Fs = 10kHz | ||
| + | - Then use fft to view in frequency domain | ||
| + | - Frequency-domain signal filtered by bandpass filter centered at f = 1471Hz | ||
| + | - Frequency-domain signal filtered by bandpass filter centered at another player frequency | ||
| + | - The signal energy for the signal through all 10 bandpass filters | ||
| + | - Signal length of 200ms | ||