From df3ff8a622337ea552827742e51b80399c638bc6 Mon Sep 17 00:00:00 2001
From: Renaud Gonce <renaud.gonce@student.uclouvain.be>
Date: Fri, 12 Jun 2020 21:40:38 +0200
Subject: [PATCH] Add new file
---
LPF.m | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 LPF.m
diff --git a/LPF.m b/LPF.m
new file mode 100644
index 0000000..4cddea3
--- /dev/null
+++ b/LPF.m
@@ -0,0 +1,22 @@
+function [h] = LPF(type, fcut, reso, Nper)
+
+Tb = 1e-06;
+M = reso*Nper;
+
+Ham = 0.54 - 0.46*cos( (2*pi*(0:M))/M );
+Black = 0.42 - 0.5*cos( (2*pi*(0:M))/M ) + 0.08*cos( (4*pi*(0:M))/M );
+
+sinc_trunc = sin((fcut*2*pi*((0:M)/(M/Nper)-Nper/2)*Tb)) ./ (fcut*2*pi*((0:M)/(M/Nper)-Nper/2)*Tb);
+sinc_trunc(isnan(sinc_trunc)) = 1;
+
+
+if (strcmp(type,'Hamming'))
+ h = Ham.*sinc_trunc;
+elseif (strcmp(type, 'Blackman'))
+ h = Black.*sinc_trunc;
+else
+ fprintf('Error: this window type is not implemented!');
+end
+
+
+end
\ No newline at end of file
--
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