An Inverse Fourier Transform for In-Place Continuous-Wave Data Reduction.
Abstract
The selection and testing of an inverse Fourier transform (IFT) algorithm for use with Minuteman In-Place continuous-wave (CW) data are described. The CW data are obtained in the presence of noise at unequally spaced frequency intervals; the time response to be obtained is a transient. A trapezoidal approximation to the Fourier integral transform is selected. Time-domain effects of the IFT algorithm, an amplitude-windowing algorithm, a phase-unwrapping algorithm, typical CW sampling functions, and nominal measurement errors are investigated in a computerized simulation study using analytically defined input functions. IFT results are also presented for some typical CW data, and their validity, reliability, and accuracy are discussed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1974
- Accession Number
- ADA000945
Entities
People
- A. G. Larson
- H. G. Heubach
- R. C. Singleton
Organizations
- SRI International