Signals and Communication - Revision history

Cmaina at 19:59, 20 October 2015

2015-10-20T19:59:55Z

Cmaina at 10:46, 29 June 2015

2015-06-29T10:46:14Z

Cmaina at 08:58, 29 June 2015

2015-06-29T08:58:02Z

Cmaina at 08:37, 29 June 2015

2015-06-29T08:37:57Z

Cmaina at 08:35, 29 June 2015

2015-06-29T08:35:01Z

Cmaina at 08:29, 29 June 2015

2015-06-29T08:29:17Z

Cmaina at 08:28, 29 June 2015

2015-06-29T08:28:50Z

Cmaina at 08:27, 29 June 2015

2015-06-29T08:27:59Z

Cmaina at 12:57, 15 April 2015

2015-04-15T12:57:41Z

Cmaina at 12:57, 15 April 2015

2015-04-15T12:57:05Z

@@ Line 39: / Line 39: @@
 '''1. Introduction to python'''
-In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here [[:media:SigCommLab1.pdf]]
+In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here [[File:SigCommLab1.pdf]]
 <br/>'''2. FM Signal Demodulation'''
 In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. This laboratory exercise will expose the students to FM demodulation using SDR.&nbsp;

@@ Line 11: / Line 11: @@
 <br/>SDR has become popular with electronics hobbyists because it was discovered that cheap USB receivers (also known as dongles) designed to receive digital TV broadcasts could be turned into SDR receivers allowing access to samples of analogue RF signals. These samples could then be processed using appropriate software. A popular dongle is the DVB-T TV tuner dongle based on the RTL2832U chipset which retails for about $20.
-[[File:Sdr1.jpg|thumb|SDR Dongle connecte to a Raspberry Pi Model B+.]]
+[[File:Sdr1.jpg|thumb|SDR Dongle connected to a Raspberry Pi Model B+.]]
 With one of these cheap dongles, it is possible to implement different communication systems. In fact a large community of hobbyists has emerged and a number of their projects are freely available online (see [http://www.rtl-sdr.com/about-rtl-sdr/} http://www.rtl-sdr.com/about-rtl-sdr/]). An open source driver <span style="font-family:courier new,courier,monospace;">rtl-sdr</span>&nbsp;is also available for linux based systems. This software allows the user to tune to a particular frequency in the range of the dongle's tuner (27-1700 MHz for the DVB-T TV tuner) and to obtain samples of the in-phase and quadrature components of the RF signal. These samples can then be appropriately processed to recover the message signal.
@@ Line 39: / Line 39: @@
 '''1. Introduction to python'''
-In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here [[media:SigCommLab1.pdf]]
+In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here [[:media:SigCommLab1.pdf]]
 <br/>'''2. FM Signal Demodulation'''
 In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. This laboratory exercise will expose the students to FM demodulation using SDR.&nbsp;

@@ Line 11: / Line 11: @@
 <br/>SDR has become popular with electronics hobbyists because it was discovered that cheap USB receivers (also known as dongles) designed to receive digital TV broadcasts could be turned into SDR receivers allowing access to samples of analogue RF signals. These samples could then be processed using appropriate software. A popular dongle is the DVB-T TV tuner dongle based on the RTL2832U chipset which retails for about $20.
-[[File:sdr1.jpg|thumb|SDR Dongle connecte to a Raspberry Pi Model B+.]]
+[[File:Sdr1.jpg|thumb|SDR Dongle connecte to a Raspberry Pi Model B+.]]
 With one of these cheap dongles, it is possible to implement different communication systems. In fact a large community of hobbyists has emerged and a number of their projects are freely available online (see [http://www.rtl-sdr.com/about-rtl-sdr/} http://www.rtl-sdr.com/about-rtl-sdr/]). An open source driver <span style="font-family:courier new,courier,monospace;">rtl-sdr</span>&nbsp;is also available for linux based systems. This software allows the user to tune to a particular frequency in the range of the dongle's tuner (27-1700 MHz for the DVB-T TV tuner) and to obtain samples of the in-phase and quadrature components of the RF signal. These samples can then be appropriately processed to recover the message signal.
@@ Line 39: / Line 39: @@
 '''1. Introduction to python'''
-In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here []
+In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here [[media:SigCommLab1.pdf]]
 <br/>'''2. FM Signal Demodulation'''
 In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. This laboratory exercise will expose the students to FM demodulation using SDR.&nbsp;

@@ Line 11: / Line 11: @@
 <br/>SDR has become popular with electronics hobbyists because it was discovered that cheap USB receivers (also known as dongles) designed to receive digital TV broadcasts could be turned into SDR receivers allowing access to samples of analogue RF signals. These samples could then be processed using appropriate software. A popular dongle is the DVB-T TV tuner dongle based on the RTL2832U chipset which retails for about $20.
+[[File:sdr1.jpg|thumb|SDR Dongle connecte to a Raspberry Pi Model B+.]]
 With one of these cheap dongles, it is possible to implement different communication systems. In fact a large community of hobbyists has emerged and a number of their projects are freely available online (see [http://www.rtl-sdr.com/about-rtl-sdr/} http://www.rtl-sdr.com/about-rtl-sdr/]). An open source driver <span style="font-family:courier new,courier,monospace;">rtl-sdr</span>&nbsp;is also available for linux based systems. This software allows the user to tune to a particular frequency in the range of the dongle's tuner (27-1700 MHz for the DVB-T TV tuner) and to obtain samples of the in-phase and quadrature components of the RF signal. These samples can then be appropriately processed to recover the message signal.
@@ Line 37: / Line 37: @@
 There will be three laboratory exercises in this course. The labs are listed below with&nbsp;
 '''1. Introduction to python'''
 In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here []

@@ Line 31: / Line 31: @@
 <code>sudo apt-get install libusb-1.0-0-dev</code>
-<code></code><span style="font-size:large;">'''Laboratory Exercises'''</span>
 There will be three laboratory exercises in this course. The labs are listed below with&nbsp;
-'''1. Introduction to python''' In this lab, students will be introduced to python. This knowledge will be useful for the subsequent labs. Download the manual here []
+'''1. Introduction to python'''
 <br/>'''2. FM Signal Demodulation'''
 In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. This laboratory exercise will expose the students to FM demodulation using SDR.&nbsp;

@@ Line 27: / Line 27: @@
 <code>sudo apt-get install cmake</code>
-and
+and<span style="font-size:small;"></span>
 <code>sudo apt-get install libusb-1.0-0-dev</code>
-<br/>'''<span style="font-size:medium;">FM Signal Demodulation</span>'''
+<br/>'''2. FM Signal Demodulation'''
-In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. In order to recover the message signal at the receiver, we must take the first derivative of the instantaneous angle of the received signal.
+In FM systems, a baseband message signal modifies the instantaneous frequency of the carrier signal. This laboratory exercise will expose the students to FM demodulation using SDR.&nbsp;

← Older revision		Revision as of 12:57, 15 April 2015
Line 30:		Line 30:

	<code>sudo apt-get install libusb-1.0-0-dev</code>		<code>sudo apt-get install libusb-1.0-0-dev</code>
−
−

@@ Line 14: / Line 14: @@
 With one of these cheap dongles, it is possible to implement different communication systems. In fact a large community of hobbyists has emerged and a number of their projects are freely available online (see [http://www.rtl-sdr.com/about-rtl-sdr/} http://www.rtl-sdr.com/about-rtl-sdr/]). An open source driver <span style="font-family:courier new,courier,monospace;">rtl-sdr</span>&nbsp;is also available for linux based systems. This software allows the user to tune to a particular frequency in the range of the dongle's tuner (27-1700 MHz for the DVB-T TV tuner) and to obtain samples of the in-phase and quadrature components of the RF signal. These samples can then be appropriately processed to recover the message signal.
@@ Line 27: / Line 23: @@
   <code>git clone [git://github.com/steve-m/librtlsdr.git git://github.com/steve-m/librtlsdr.git]</code>
-Once the code is downloaded. Follow these instructions [http://sdr.osmocom.org/trac/wiki/rtl-sdr]. You will need to have installed cmake and libusb1.0. You can do this by typing
+Once the code is downloaded. Follow these instructions [http://sdr.osmocom.org/trac/wiki/rtl-sdr [1]]. You will need to have installed cmake and libusb1.0. You can do this by typing
-<code>
+<code>sudo apt-get install cmake</code>
 and
-<code>
+<code>sudo apt-get install libusb-1.0-0-dev</code>