Automatic Antenna Phasing Project - Revision history

Max.Woesner at 23:38, 16 December 2009

2009-12-16T23:38:33Z

← Older revision		Revision as of 16:38, 16 December 2009
Line 5:		Line 5:

	====Team Members:====		====Team Members:====
			[[Joshua Sarris]]<br>
	[[Kevin Starkey]]<br>		[[Kevin Starkey]]<br>
	[[Max Woesner]]<br>		[[Max Woesner]]<br>
	[[Nick Christman~~]]<br>~~		[[Nick Christman]]
	~~[[Joshua Sarris~~]]

	<br><b>Problem Statement</b><br>		<br><b>Problem Statement</b><br>

Nicholas.Christman at 22:37, 16 December 2009

2009-12-16T22:37:15Z

← Older revision		Revision as of 15:37, 16 December 2009
Line 110:		Line 110:
	[[Image:Sp_q2.jpg]]		[[Image:Sp_q2.jpg]]

	As you can see, it appears that we need to create a bandpass (FIR) filter that will filter around .5 <math>\scriptstyle \pi</math>rad/s.		As you can see, it appears that we need to create a bandpass (FIR) filter that will filter around .5 to .57 <math>\scriptstyle \pi</math>rad/s.

	Unfortunately, due to time constraints, we were unable to proceed further. However, if time provided, we would have proceeded as follows: <br>		Unfortunately, due to time constraints, we were unable to proceed further. However, if time provided, we would have proceeded as follows: <br>

Nicholas.Christman at 22:36, 16 December 2009

2009-12-16T22:36:25Z

@@ Line 52: / Line 52: @@
 <br><b>Approach to Solution</b><br>
 We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data to a workable length to analyze in MATLAB.<br>
 Unfortunately, due to time constraints, we were unable to proceed further.  However, if time provided, we would have proceeded as follows: <br>

Max.Woesner at 20:36, 16 December 2009

2009-12-16T20:36:27Z

← Older revision		Revision as of 13:36, 16 December 2009
Line 3:		Line 3:

	=== Class Project - Automatic Antenna Phasing ===		=== Class Project - Automatic Antenna Phasing ===

			====Team Members:====
			[[Kevin Starkey]]<br>
			[[Max Woesner]]<br>
			[[Nick Christman]]<br>
			[[Joshua Sarris]]

	<br><b>Problem Statement</b><br>		<br><b>Problem Statement</b><br>
Line 45:		Line 51:

	<br><b>Approach to Solution</b><br>		<br><b>Approach to Solution</b><br>
	We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data to a workable length to analyze in MATLAB.		We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data to a workable length to analyze in MATLAB.<br>
			Unfortunately, due to time constraints, we were unable to proceed further. However, if time provided, we would have proceeded as follows: <br>
			*

Max.Woesner at 02:57, 9 December 2009

2009-12-09T02:57:09Z

← Older revision		Revision as of 19:57, 8 December 2009
Line 45:		Line 45:

	<br><b>Approach to Solution</b><br>		<br><b>Approach to Solution</b><br>
	We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data ~~for~~ a workable length in MATLAB.		We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data to a workable length to analyze in MATLAB.

Max.Woesner at 01:46, 9 December 2009

2009-12-09T01:46:47Z

← Older revision		Revision as of 18:46, 8 December 2009
Line 42:		Line 42:
	The IF of the signals is the sample_rate/4. The bandwidth of SSB signals is about 3 KHz, CW (Morse code) about 200 Hz. The format of the IF signals is I/Q (one on each channel).<br>		The IF of the signals is the sample_rate/4. The bandwidth of SSB signals is about 3 KHz, CW (Morse code) about 200 Hz. The format of the IF signals is I/Q (one on each channel).<br>

	This project should be useful with dual antenna receivers to detect the polarization or angle of arrival of a signal, and in general to improve the signals received.		This project should be useful with dual antenna receivers to detect the polarization or angle of arrival of a signal, and in general to improve the signals received.<br>

			<br><b>Approach to Solution</b><br>
			We first downloaded the files with the real world data and used [http://audacity.sourceforge.net/ Audacity] to shorten the data for a workable length in MATLAB.

Max.Woesner at 21:35, 8 December 2009

2009-12-08T21:35:25Z

@@ Line 26: / Line 26: @@
 <b>Other Information:</b><br>
 The IF of the signals is the sample_rate/4. The bandwidth of SSB signals is about 3 KHz, CW (Morse code) about 200 Hz. The format of the IF signals is I/Q (one on each channel).<br>
 This project should be useful with dual antenna receivers to detect the polarization or angle of arrival of a signal, and in general to improve the signals received.

Max.Woesner at 17:22, 2 December 2009

2009-12-02T17:22:42Z

@@ Line 5: / Line 5: @@
 <br><b>Problem Statement</b><br>
-Design and implement an algorithm to determine the amount of delay necessary to automatically add two signals from different antennas in phase. Also determine the relative amplitudes of the two signals.<br><br>
+Design and implement an algorithm to determine the amount of delay necessary to automatically add two signals from different antennas in phase. Also determine the relative amplitudes of the two signals.<br>
 <b>References:</b><br>
 [http://www.kkn.net/dayton2008/beam_steering_on_160_meters.pdf Beam Steering on 160 Meters]<br>
@@ Line 11: / Line 24: @@
 [http://johnsogg.blogspot.com/2009/11/installing-gnu-radio-on-ubuntu-910.html Install gnuradio on Ubuntu 9.10 using the package manager]<br>
 [http://sdrblog.wordpress.com/gnuradio-installation/ Install gnuradio on Ubuntu 9.10 from GIT repositories]<br>

Max.Woesner at 17:07, 2 December 2009

2009-12-02T17:07:35Z

← Older revision		Revision as of 10:07, 2 December 2009
Line 5:		Line 5:

	<br><b>Problem Statement</b><br>		<br><b>Problem Statement</b><br>
	Design and implement an algorithm to determine the amount of delay necessary to automatically add two signals from different antennas in phase. Also determine the relative amplitudes of the two signals.		Design and implement an algorithm to determine the amount of delay necessary to automatically add two signals from different antennas in phase. Also determine the relative amplitudes of the two signals.<br><br>
			<b>References:</b><br>
			[http://www.kkn.net/dayton2008/beam_steering_on_160_meters.pdf Beam Steering on 160 Meters]<br>
			[http://k1lt.com/ More K1LT Notes]<br>
			[http://johnsogg.blogspot.com/2009/11/installing-gnu-radio-on-ubuntu-910.html Install gnuradio on Ubuntu 9.10 using the package manager]<br>
			[http://sdrblog.wordpress.com/gnuradio-installation/ Install gnuradio on Ubuntu 9.10 from GIT repositories]<br>

Max.Woesner: New page: == Max Woesner == Back to my Home Page === Class Project - Automatic Antenna Phasing ===
Problem Statement
Design and implement an algorithm to determine t...

2009-12-02T17:02:33Z

New page: == Max Woesner == Back to my Home Page === Class Project - Automatic Antenna Phasing === Problem Statement Design and implement an algorithm to determine t...

New page

== Max Woesner ==
[[Max Woesner|Back to my Home Page]]

=== Class Project - Automatic Antenna Phasing ===

 Problem Statement 
Design and implement an algorithm to determine the amount of delay necessary to automatically add two signals from different antennas in phase. Also determine the relative amplitudes of the two signals.