Abstract

The use of spatial filters, or weighting functions, on transmitting and receiving apertures used on line-of-sight propagation paths is a powerful technique for probing the velocity and refractivity structure of the transmission medium. Provided that the weak-scattering approximation is appropriate, simple and inexpensive techniques offer on the order of 100 resolution elements along the path, with little or no data processing required. A simple optical experiment has been conducted over a 61 m path, with a resolution-cell size of about 0.7 m long, 0.1 m<sup>3</sup>. volume, with results that compare well with anemometer measurements.

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  1. R. W. Lee and A. T. Waterman, Jr., Radio Sci. 3, 135 (1968).
  2. R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).
  3. J. C. Harp, PhD thesis (Stanford University, August 1971) (University Microfilms, Ann Arbor, Mich., Order No. 72-11567).
  4. P. A. Mandics, PhD thesis (Stanford University, March 1971) (University Microfilms, Ann Arbor, Mich., Order No. 71-23536).
  5. R. W. Lee and J. C. Harp, Proc. IEEE 57, 375 (1969).
  6. L. C. Shen, IEEE Trans. Anten. Propag. 18, 493 (1970).
  7. O. N. Strand and E. R. Westwater, SIAM J. Numer. Anal. 5, 287 (1968).
  8. J. M. Henaghan and A. Ishimaru, IEEE Trans. Anten. Propag. 22, 457 (1974).
  9. R. W. Lee and A. T. Waterman, Jr., Proc. IEEE 54, (1966).
  10. P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

1974 (1)

J. M. Henaghan and A. Ishimaru, IEEE Trans. Anten. Propag. 22, 457 (1974).

1973 (1)

P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

1972 (1)

R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).

1970 (1)

L. C. Shen, IEEE Trans. Anten. Propag. 18, 493 (1970).

1969 (1)

R. W. Lee and J. C. Harp, Proc. IEEE 57, 375 (1969).

1968 (2)

O. N. Strand and E. R. Westwater, SIAM J. Numer. Anal. 5, 287 (1968).

R. W. Lee and A. T. Waterman, Jr., Radio Sci. 3, 135 (1968).

1966 (1)

R. W. Lee and A. T. Waterman, Jr., Proc. IEEE 54, (1966).

Clifford, S. F.

R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).

Harp, J. C.

J. C. Harp, PhD thesis (Stanford University, August 1971) (University Microfilms, Ann Arbor, Mich., Order No. 72-11567).

R. W. Lee and J. C. Harp, Proc. IEEE 57, 375 (1969).

Henaghan, J. M.

J. M. Henaghan and A. Ishimaru, IEEE Trans. Anten. Propag. 22, 457 (1974).

Ishimaru, A.

J. M. Henaghan and A. Ishimaru, IEEE Trans. Anten. Propag. 22, 457 (1974).

Lawrence, R. S.

R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).

Lee, R. W.

P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

R. W. Lee and J. C. Harp, Proc. IEEE 57, 375 (1969).

R. W. Lee and A. T. Waterman, Jr., Radio Sci. 3, 135 (1968).

R. W. Lee and A. T. Waterman, Jr., Proc. IEEE 54, (1966).

Mandics, P. A.

P. A. Mandics, PhD thesis (Stanford University, March 1971) (University Microfilms, Ann Arbor, Mich., Order No. 71-23536).

P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

Ochs, G. R.

R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).

Shen, L. C.

L. C. Shen, IEEE Trans. Anten. Propag. 18, 493 (1970).

Strand, O. N.

O. N. Strand and E. R. Westwater, SIAM J. Numer. Anal. 5, 287 (1968).

Waterman, Jr., A. T.

P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

R. W. Lee and A. T. Waterman, Jr., Radio Sci. 3, 135 (1968).

R. W. Lee and A. T. Waterman, Jr., Proc. IEEE 54, (1966).

Westwater, E. R.

O. N. Strand and E. R. Westwater, SIAM J. Numer. Anal. 5, 287 (1968).

Other (10)

R. W. Lee and A. T. Waterman, Jr., Radio Sci. 3, 135 (1968).

R. S. Lawrence, G. R. Ochs, and S. F. Clifford, Appl. Opt. 11, 239 (1972).

J. C. Harp, PhD thesis (Stanford University, August 1971) (University Microfilms, Ann Arbor, Mich., Order No. 72-11567).

P. A. Mandics, PhD thesis (Stanford University, March 1971) (University Microfilms, Ann Arbor, Mich., Order No. 71-23536).

R. W. Lee and J. C. Harp, Proc. IEEE 57, 375 (1969).

L. C. Shen, IEEE Trans. Anten. Propag. 18, 493 (1970).

O. N. Strand and E. R. Westwater, SIAM J. Numer. Anal. 5, 287 (1968).

J. M. Henaghan and A. Ishimaru, IEEE Trans. Anten. Propag. 22, 457 (1974).

R. W. Lee and A. T. Waterman, Jr., Proc. IEEE 54, (1966).

P. A. Mandics, R. W. Lee, and A. T. Waterman, Jr., Radio Sci. 8, 185 (1973).

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