Autocorrelation function parameter determination

Details Autocorrelation function parameter determination Autocorrelation function parameter determination

1976-12-09

1979-06-12

Gruber, Felix D.

Boots, shoes, and leggings

356336, 364715, 364807, G06G 748, G01N 1502

Patent

active

041582349

ABSTRACT:
Method and apparatus for processing signals in order to determine certain parameters of their autocorrelation function, the autocorrelation function being defined by the general formula ##EQU1## The method and apparatus are applicable to determining the size of particles in Brownian motion by measurement based on analysis of fluctuations in the intensity of light diffused by the particles when they are illuminated by a ray of coherent light waves. The parameter(s) of interest is (are) determined in dependence on at least two double integrals R.sub.1, R.sub.2 having the general form ##EQU2## WHERE THE VALUES .tau.A, .tau.B, .tau.C, .tau.D DEFINE THE INTEGRATION RANGES IN THE DELAY-TIME .tau. REGION AND WHERE .DELTA.T REPRESENTS AN INTEGRATION RANGE WITH RESPECT TO TIME FROM AN INITIAL INSTANT .tau..sub.O. Means are provided for forming signals representing the double integrals R.sub.1 and R.sub.2. A computer unit receives the signals and generates an output signal corresponding to the aforementioned parameter(s) of the autocorrelation function.

REFERENCES:
patent: 3700876 (1972-10-01), Gray
patent: 3717756 (1973-02-01), Stitt
patent: 3777133 (1973-12-01), Beck et al.
patent: 3792245 (1974-02-01), Hocker et al.
patent: 3842252 (1974-10-01), Jakeman et al.
patent: 3983379 (1976-09-01), Scott
patent: 3996457 (1976-12-01), Gabriel
VAN Resandt: A Digital Autocorrelator for Quasi-Elastic Light Scattering Using a Minicomputer, Rev. of Scientific Instruments, vol. 45, No. 12, Dec. 1974, pp. 1507-1510.

Affiliated with

Also associated with

Rating

Autocorrelation function parameter determination does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Autocorrelation function parameter determination, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Autocorrelation function parameter determination will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1111816