A One Dimensional Phased Array Acoustic Imaging System |
Contents
Biphase Acoustical Imaging System | 5 |
Analyses 29 2220 | 29 |
Analytical Approach Multiple Foci | 58 |
Copyright | |
6 other sections not shown
Common terms and phrases
acoustic array acoustical imaging system Actual Main Lobe amplitude error amplitude quantization Amplitude Steps ANALOG PROCESSOR angular spectrum apodization background level BLOCK DIAGRAM butyl rubber CHANNEL Chapter crosstalk DELAY LINE diffraction DIGITAL DELAY LINE dimensional diverging focus Equation error free extraneous side lobe FOCAL LENGTH focal plane focal spot focusing aperture Fourier series Fourier transform Fresnel diffraction Fresnel phase plate grating lobes HAMMING WEIGHTED input LARGE DIV lens function linear Fresnel phase Main Lobe Intensity MAXIMUM EXTRANEOUS SIDE missing radiators multi-phase imaging system NUMBER OF AMPLITUDE number of elements number of phase output peak periodic errors phase and amplitude PHASE ERROR FUNCTION phase pattern phase quantization phase shift Phase Steps phased array PHASOR produce propagation QUANTIZED PHASE ERROR sampling scan Section shift register Side Lobe Intensity side lobe level side lobe structure square wave thin lens transducer WAVELENGTH width X-SCALE Y-SCALE