A study of open-end cavities by the field-energy method
β Scribed by Hung, C.L.; Tsai, Y.C.; Chu, K.R.
- Book ID
- 114558560
- Publisher
- IEEE
- Year
- 1998
- Tongue
- English
- Weight
- 267 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0093-3813
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π SIMILAR VOLUMES
The analysis of high-frequency scattering from electrically large open-ended ca¨ities is addressed in this work. The magnetic field ( ) integral equation MFIE is obtained for the equi¨alent currents on the interior ca¨ity walls and is sol¨ed in a single iteration by using a new ( ) progressi¨e physi
Figure 2 Carrier-to-intermodulation for seven equally spaced equal-amplitude carriers. Dashed lines, Eq. ( 29); solid lines, Eq. ( 30) ## CONCLUSION In this article a simple yet accurate approximation for the error function erf(x) has been used to obtain closed-form expressions for the harmonic a
Figure 6 Curve of displacement versus step k. Dotted line: nonlinear displacement. Solid line: calibrated displacement Ε½ . Ε½ . Figure 7 Fringe patterns a before and b after calibration REFERENCES 1. D.
Flow past the opening of a cavity can excite acoustic resonance. The periodic velocity field in the region of the cavity opening has been measured for various flow conditions and the vorticity distribution has been computed from the measured data using numerical differentiation. The results indicate