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% Parameters | |
num_points = 100; | |
noise_level = 0.25; % Adjust this value to control the amount of noise | |
% Generate x values | |
x_curve = linspace(0, 1, 1000); % Generate 1000 points between 0 and 1 | |
y_curve = log(1 + 99 * x_curve) / log(100); % Compute y values for the curve | |
% Select 12 random points along the curve | |
indices = randperm(length(x_curve), num_points); |
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% Neodymium magnet parameters | |
radius_mm = 10; % Magnet radius in millimeters | |
thickness_mm = 3; % Magnet thickness in millimeters | |
M = 1.0; % Magnetization in A m (adjust this value) | |
% Conversion factor from Gauss to voltage change | |
gauss_to_voltage = 1.5 / 1000; | |
% Permeability of free space | |
mu0 = 4 * pi * 1e-7; |
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<div class="is-content-justification-center" style="text-align:center"> | |
<p>Did you know? <span id="rotatingText"><a target="_blank" href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0094215">Your brain slow down at 24, but peaks for some cognitive skills at other ages</a>.</span></p> | |
</div> | |
<script> | |
var textArray = [ | |
'<a target="_blank" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2754571/">The human brain is the fattest organ in the body, consisting of at least 60% fat</a>.', | |
'<a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/20329590/">Your brain can generate about 20 watts of electrical power</a>.', | |
'<a target="_blank" href="https://www.frontiersin.org/articles/10.3389/fnmol.2018.00216/full">Your brain uses about 20% of your bodys total energy and oxygen intake</a>.', | |
'<a target="_blank" href="https://www.brainline.org/author/brian-greenwald/qa/can-brain-itself-feel-pain">Your brain is incapable of feeling pain</a>.', |
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% Hargens et al. (1985) Figure 2 Recreation | |
xs = 30:10:70; | |
fitxs = 0:100; | |
% backed out from plot | |
loadCenter = [49,40,33,20,10]; | |
loadErrorUpper = [50.5,42.5,38,25,12.5]; | |
tensionCenter = [50,57,66,78,85]; | |
tensionErrorUpper = [55,59,70,83,88]; |
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// CMSIS Math | |
#include "arm_math.h" | |
#include "arm_const_structs.h" | |
#define SIG_SAMPLES 1024 | |
#define BLOCK_SIZE 32; | |
#include "SWAsignal.h" | |
static float32_t filtSignal[SIG_SAMPLES]; | |
// FILTER |
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extern float32_t inputSignal[SIG_SAMPLES] = { 2.09186630161801, | |
2.17981806111224, 2.2458345331045, 2.20702098281261, 2.05451765784143, | |
1.85916546584311, 1.7767591356537, 1.79267779175089, 1.85004295412198, | |
1.82818508686074, 1.72760166685638, 1.54716102329878, 1.39328525785108, | |
1.37279362871747, 1.37225304331087, 1.31022305067551, 1.21566162283513, | |
1.24287644762541, 1.38510735478485, 1.60578710124569, 1.93459280511249, | |
2.26110788479076, 2.43559114351632, 2.44546630752519, 2.37477587905096, | |
2.14026122136909, 1.77405580991932, 1.36350765781611, 0.998258176086951, | |
0.77357268824843, 0.567933484496516, 0.384275954063506, | |
0.288059029461084, 0.311287985207322, 0.323805443624895, |
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% MATLAB Code | |
% Generated by MATLAB(R) 9.9 and Signal Processing Toolbox 8.5. | |
% Generated on: 14-Dec-2020 15:39:25 | |
% Elliptic Lowpass filter designed using FDESIGN.LOWPASS. | |
% All frequency values are in Hz. | |
Fs = 250; % Sampling Frequency | |
Fpass = 3; % Passband Frequency |
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n = 1024; | |
Fs = 250; | |
t = linspace(0,(1/Fs)*n,n)'; | |
x = zeros(n,1); | |
for Fc = [5,25] | |
x = x + sin(2*pi*Fc*t); | |
end | |
L = numel(t); | |
n = (2^nextpow2(L)); |
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extern float32_t inputSignal[FFT_SAMPLES] = { 2, 1.80075512683121, | |
1.27637053325758, 0.618871900194794, 0.0656112591359919, | |
-0.191339455865792, -0.0783815301685531, 0.331835982653282, | |
0.848683105690253, 1.23703243919349, 1.30782963716736, | |
0.991081272267325, 0.363318387328728, -0.380984958988108, | |
-1.00311152015435, -1.31072642475088, -1.23075864316698, | |
-0.836658892316524, -0.319613844304356, 0.085256675713322, | |
0.18946595086915, -0.0761778607350844, -0.634629641347059, | |
-1.29170265140208, -1.81007298891733, -1.99987740193588, | |
-1.79123725544972, -1.26095670117884, -0.603178660320141, |
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// ... application includes here | |
// CMSIS Math includes | |
#include "arm_math.h" | |
#include "arm_const_structs.h" | |
// using a 1024 point signal | |
#define FFT_SAMPLES 1024 | |
#define FFT_SAMPLES_HALF (FFT_SAMPLES / 2) |
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