Abstract

A chopper-modulated infrared detection system is investigated, and an error expression is found under the condition of minimizing the mean-square error of the approximating output function. The filtering problem for a periodic input filter and nonstationary input is solved. The error expression is evaluated and computer simulations are performed. Computer optimization of the chopper pattern is also presented. In particular, standard chopper blades are shown to be not always the best.

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  1. G. L. Turin, IRE Trans. Information Theory 3, 5 (1957).
  2. A. Papoulis, Probability, Random Variables and Stochastic Processes (McGraw-Hill Book Co., New York, 1965).
  3. S. W. Golomb, Digital Communications with Space Applications (Prentice-Hall, Englewood Cliffs, N. J., 1964).
  4. W. B. Davenport, and W. L. Root, An Introduction to the Theory of Random Signals and Noise (McGraw-Hill Book Co., Inc., New York, 1958).
  5. D. J. Wilde, Optimum Seeking Methods (Prentice-Hall, Englewood Cliffs, N. J., 1964).
  6. T. Manwell, Error Analysis for a Chopper-Modulated Infrared Detection System (Cornell-Sydney University Astronomy Center Report No. 116, 1967).

Davenport, W. B.

W. B. Davenport, and W. L. Root, An Introduction to the Theory of Random Signals and Noise (McGraw-Hill Book Co., Inc., New York, 1958).

Golomb, S. W.

S. W. Golomb, Digital Communications with Space Applications (Prentice-Hall, Englewood Cliffs, N. J., 1964).

Manwell, T.

T. Manwell, Error Analysis for a Chopper-Modulated Infrared Detection System (Cornell-Sydney University Astronomy Center Report No. 116, 1967).

Papoulis, A.

A. Papoulis, Probability, Random Variables and Stochastic Processes (McGraw-Hill Book Co., New York, 1965).

Root, W. L.

W. B. Davenport, and W. L. Root, An Introduction to the Theory of Random Signals and Noise (McGraw-Hill Book Co., Inc., New York, 1958).

Turin, G. L.

G. L. Turin, IRE Trans. Information Theory 3, 5 (1957).

Wilde, D. J.

D. J. Wilde, Optimum Seeking Methods (Prentice-Hall, Englewood Cliffs, N. J., 1964).

Other (6)

G. L. Turin, IRE Trans. Information Theory 3, 5 (1957).

A. Papoulis, Probability, Random Variables and Stochastic Processes (McGraw-Hill Book Co., New York, 1965).

S. W. Golomb, Digital Communications with Space Applications (Prentice-Hall, Englewood Cliffs, N. J., 1964).

W. B. Davenport, and W. L. Root, An Introduction to the Theory of Random Signals and Noise (McGraw-Hill Book Co., Inc., New York, 1958).

D. J. Wilde, Optimum Seeking Methods (Prentice-Hall, Englewood Cliffs, N. J., 1964).

T. Manwell, Error Analysis for a Chopper-Modulated Infrared Detection System (Cornell-Sydney University Astronomy Center Report No. 116, 1967).

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