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  • License: Freeware
  • Last update: 5 years ago
  • Total downloads: 127
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Van Caekenberghe, K
See full specifications

scripts default iconNF2FF (Scripts) Publisher's description

Planar near field to far field transformation for near field antenna measurement setups.

Planar near field to far field transformation for near field antenna measurement setups.
J. Logan (john_logan@mail.uri.edu)
A. P. Mynster (andersmynster@hotmail.com)
M. J. Pelk (m.j.pelk@tudelft.nl)
C. Ponder (chris.ponder@sli-institute.ac.uk)
K. Van Caekenberghe (vcaeken@umich.edu)

The script assumes:
1. Rectangular coordinate system with z axis normal to planar aperture
2. exp(j*omega*t) time dependence convention. Please, substitute i with -j whenever implementing exp(-i*omega*t) time dependence convention based algorithms.

The script uses:
1. Near field datasets of a 94 GHz slotted waveguide can be downloaded from: http://www-personal.umich.edu/~vcaeken/DATASETS.zip.

Sought-after extensions are listed below. Please post them on the
website, if you are willing to contribute:
1. Cylindrical and spherical near field to far field transformation
2. Graphical user interface

The package also includes data acquisition scripts for reading out S-parameters from the HP 8510C and HP 8720ES network analyzers, and the Rohde & Schwarz ZVA40 network analyzer. The DAQ scripts require a MATLAB Instrument Control Toolbox license.

1. C. A. Balanis, "Antenna Theory, Analysis and Design, 2nd Ed.", Wiley, 1997. [exp(j*omega*t) time dependence convention]
2. D. Paris, W. Leach, Jr., E. Joy, "Basic Theory of Probe-Compensated Near-Field Measurements", IEEE Transactions on Antennas and Propagation, Vol. 26, No. 3, May 1978. [exp(-i*omega*t) time dependence convention]
3. A. D. Yaghjian, "Approximate Formulas for the Far Field and Gain of Open-Ended Rectangular Waveguide", IEEE Transactions on Antennas and Propagation, Vol. 32, No. 4, April 1984. [exp(-i*omega*t) time dependence convention]
4. A. D. Yaghjian, "An Overview of Near-Field Antenna Measurements", IEEE Transactions on Antennas and Propagation, Vol. 34, No. 1, June 1986. [exp(-i*omega*t) time dependence convention]
5. G. F. Masters, "Probe-Correction Coefficients Derived From Near-Field Measurements", AMTA Conference, October 7-11, 1991.
6. J. J. Lee, E. M. Ferren, D. P. Woollen, and K. M. Lee, "Near-Field Probe Used as a Diagnostic Tool to Locate Defective Elements in an Array Antenna", IEEE Transactions on Antennas and Propagation, Vol. 36, No. 6, June 1988. [exp(-i*omega*t) time dependence convention]
7. http://www.fftw.org/
8. R. M. Goldstein, H. A. Zebken, and C. L. Werner, "Satellite Radar Interferometry: Two-Dimensional Phase Unwrapping", Radio Sci., Vol. 23, No. 4, pp. 713-720, 1988.
9. D. C. Ghiglia and M. D. Pritt, "Two-Dimensional Phase Unwrapping: Theory, Algorithms and Software". Wiley-Interscience, 1998.
10. J. M. De Freitas. "SPHERE3D: A Matlab Function to Plot 3-Dimensional Data on a Spherical Surface".
QinetiQ Ltd, Winfrith Technology Centre, Winfrith,
Dorchester DT2 8XJ. UK. 15 September 2005.

System Requirements:

MATLAB 7.7 (R2008b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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