pyinst: agilent_r5071.py annotate

annotate agilent_r5071.py @ 81:1947d10f9395

- Search for signal frequency iteratively to improve accuracy. - Use narrower bandwidths (via FFT filter) for close in measurements. - Work around bug in firmware when using FFT filter. - Actually _raise_ the exception when the signal power is too low.

author	Daniel O'Connor <doconnor@gsoft.com.au>
date	Fri, 27 Sep 2024 16:56:44 +0930
parents	6bd941d96c03
children

rev	line source
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 # Docs are at http://ena.tm.agilent.com/e5071c/manuals/webhelp/eng/
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	3 import numpy
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 import scpi
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 import pylab
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	7 fname = 'data'
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	8
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9 # Connect
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	10 inst = scpi.instURL('vxi://203.31.81.47')
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 # Read ID
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 inst.write('*IDN?')
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14 inst.read()
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15 # 'Agilent Technologies,E5071C,MY46109815,A.09.54\n'
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	16
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 # Set to 8 byte floats
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 inst.write(":FORM:DATA REAL")
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20 # Set to little endian
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 inst.write(':FORM:BORD SWAP')
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	22
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23 # Grab frequency data
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24 inst.write(":SENS1:FREQ:DATA?")
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25 freqs = scpi.bindecode(inst.read(), dtype = numpy.float64)
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27 # Grab trace data
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 inst.write(":CALC1:TRACE1:DATA:FDATA?")
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29 dat = scpi.bindecode(inst.read(), dtype = numpy.float64)
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 # We only want the real part (no imag for this measurement)
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 dat = dat[::2]
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	34 # Plot
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	35 pylab.plot(freqs, dat)
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	36 pylab.show()
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	37
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 # Save for later
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	39 numpy.savez('data.npz', freqs, dat)
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 # Load..
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	42 f = numpy.load(fname + '.npz')
30 9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 freqs = f['arr_0']
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 dat = f['arr_1']
9ce709b7da4b Add Q&D example code for Anritsu MS2034A and Agilent R5071. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45
45 6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	46 f = file(fname + '.csv', 'wb')
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	47 f.write("Frequencies\n")
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	48 numpy.savetxt(f, [freqs], delimiter = ',')
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	49 f.write("Gain\n")
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	50 numpy.savetxt(f, [dat], delimiter = ',')
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	51 del f
6bd941d96c03 Commit final version that went to Norway Daniel O'Connor <darius@dons.net.au> parents: 30 diff changeset	52

Mercurial > ~darius > hgwebdir.cgi > pyinst

annotate agilent_r5071.py @ 81:1947d10f9395