## Abstract Magnetic resonance imaging (MRI) is limited in many cases by long scan times and low spatial resolution. Recent advances in gradient systems hardware allow very rapid imaging sequences, such as steadyโstate free precession (SSFP), which has repetition times (TRs) of 2โ5 ms. The design o
On waveform design for optimal target discrimination
โ Scribed by Lloyd S. Riggs; Michael A. Richards; Thomas H. Shumpert; C. Ray Smith
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 738 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0899-9457
No coin nor oath required. For personal study only.
โฆ Synopsis
Probability theory is applied to the problem of radar target discrimination. The theory is used to construct an excitation waveform (an enhanced discrimination pulse) which maximizes the posterior odds in favor of one target over the other. It is shown that the enhanced discrimination pulse has its spectrum concentrated near the frequency where the difference in the impulse spectrum of the two targets reaches a maximum. Enhanced discrimination pulses are calculated using analytical models of thin cylindrical targets and experimental data collected from simplified aircraft models. 0 1993 John Wiley & Sons, Inc.
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