Dear Rolando,
1) rolando@rolando-MS-7815:/media/rolando/pocobe4/gulp$ sudo ./gulp -i
eth1 > pulsar0.dat
Will write the filtered data in pcap format.
2) Are you peeling out the filter channel data from the pcap format and
arranging it ?
3)PRESTO needs floating data, I have to convert my data (int32) to
floating. Then I did this:
------------------------------------------------------
#!/usr/bin/env python
import numpy as np
array_float32 = np.fromfile('pulsar0.dat',
dtype=np.int32).astype(np.float32)
with open("pulsar0", "wb") as prueba_out:
prueba_out.write(array_float32.tostring())
will convert the PCAP file (pulsar0.dat) which contains the UDP header
(few bytes ) + disarranged Filter channel data (8192 bytes ) into pulsar0.
Kindly do the Peeling , arranging and then do the conversion step # 3 .
Thanks and regards
Indrajit
On Tuesday 04 April 2017 11:41 PM, Rolando Paz wrote:
Hi all
With the help of Glenn Jones, Louis Dartez and with reference to the
POBE design of Kaushal Buch, I have done what is shown in the attached
document, however, I have not yet been able to obtain correct results.
I will be very grateful if Glenn or Louis or anyone can review my
results ...
Best Regards
Rolando
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Thanks and regards
______________________
Indrajit Vittal Barve
Engineer,
Indian Institute of Astrophysics,
Bangalore.
Mobile : +91-9845432754.
Office : +91-8022541492/3
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