From c9354b3cf5eb45b306154b8deb6e3201cc0a2d6c Mon Sep 17 00:00:00 2001
From: "Matthias (think)" <matthias@mpb.li>
Date: Wed, 11 Jul 2012 12:03:26 +0200
Subject: added useful scripts folder

---
 filter/filtertaps.txt       | 46 +++++++++++++++++++++++++++++++++++++++++++++
 filter/generate-filter.py   | 13 +++++++++++++
 filter/moduhd-filtered.sh   |  1 +
 filter/simplefiltertaps.txt |  6 ++++++
 4 files changed, 66 insertions(+)
 create mode 100644 filter/filtertaps.txt
 create mode 100755 filter/generate-filter.py
 create mode 100644 filter/moduhd-filtered.sh
 create mode 100644 filter/simplefiltertaps.txt

(limited to 'filter')

diff --git a/filter/filtertaps.txt b/filter/filtertaps.txt
new file mode 100644
index 0000000..cd0b28d
--- /dev/null
+++ b/filter/filtertaps.txt
@@ -0,0 +1,46 @@
+45
+-0.00110450468492
+0.00120703084394
+-0.000840645749122
+-0.000187368263141
+0.00184351124335
+-0.00355578539893
+0.00419321097434
+-0.00254214904271
+-0.00183473504148
+0.00781436730176
+-0.0125957569107
+0.0126200336963
+-0.00537294941023
+-0.00866683479398
+0.0249746385962
+-0.0356550291181
+0.0319730602205
+-0.00795613788068
+-0.0363943465054
+0.0938014090061
+-0.151176810265
+0.193567320704
+0.791776955128
+0.193567320704
+-0.151176810265
+0.0938014090061
+-0.0363943465054
+-0.00795613788068
+0.0319730602205
+-0.0356550291181
+0.0249746385962
+-0.00866683479398
+-0.00537294941023
+0.0126200336963
+-0.0125957569107
+0.00781436730176
+-0.00183473504148
+-0.00254214904271
+0.00419321097434
+-0.00355578539893
+0.00184351124335
+-0.000187368263141
+-0.000840645749122
+0.00120703084394
+-0.00110450468492
diff --git a/filter/generate-filter.py b/filter/generate-filter.py
new file mode 100755
index 0000000..7d28eab
--- /dev/null
+++ b/filter/generate-filter.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+import gnuradio
+from gnuradio import gr
+
+gain = 1
+rate = 2.048e6
+cutoff = 810e3
+transition_width = 150e3
+taps = gr.firdes_low_pass(gain, rate, cutoff, transition_width, gr.firdes.WIN_HAMMING, beta=6.76)
+
+print(len(taps))
+for t in taps:
+    print(t)
diff --git a/filter/moduhd-filtered.sh b/filter/moduhd-filtered.sh
new file mode 100644
index 0000000..fbfaa91
--- /dev/null
+++ b/filter/moduhd-filtered.sh
@@ -0,0 +1 @@
+../crc-dabmod-0.3.3/src/crc-dabmod -l funk.raw.notist.eti -g2 -u "master_clock_rate=32768000,type=b100" -F 234208000 -T filtertaps.txt
diff --git a/filter/simplefiltertaps.txt b/filter/simplefiltertaps.txt
new file mode 100644
index 0000000..da2fe6b
--- /dev/null
+++ b/filter/simplefiltertaps.txt
@@ -0,0 +1,6 @@
+5
+0.0
+0.0
+1.0
+0.0
+0.0
-- 
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