From 445417984b182ea1b24d77d2f81677e6f320a1ce Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Tue, 8 May 2012 00:06:16 +0200
Subject: Add frequency removal using fourier analysis

---
 fourier_frequency_removal.m | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 fourier_frequency_removal.m

diff --git a/fourier_frequency_removal.m b/fourier_frequency_removal.m
new file mode 100644
index 0000000..c2a378d
--- /dev/null
+++ b/fourier_frequency_removal.m
@@ -0,0 +1,5 @@
+[p, q] = get_products();
+
+A = fft(sum(q'));
+A = A .* (1 - (abs(A) >5000) .* (abs(A) < 20000));
+plot(sum(q'), '-ob',real(ifft(A)),'-or');
-- 
cgit