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Programs PowerPoint Presentation

Programs

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Programs

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  1. Programs • VldFrqn.m • VldFrqnK.txt: data from KLM model • VldFrqnPzc.txt: data from • VldTm.m • VldTmK.txt: data from KLM model • VldTmPzc.txt: data from PZCAD close all; Fk=load('VldFrqnK.txt'); Fp=load('VldFrqnPzc.txt'); subplot(2,1,1) plot(Fk(:,1),Fk(:,2)*1e-6,'b') hold on; plot(Fp(:,1),Fp(:,2),'r') subplot(2,1,2) plot(Fk(:,1),Fk(:,3),'b') hold on; plot(Fp(:,1),Fp(:,3),'r') close all; Fk=load('VldTmK.txt'); Fp=load('VldTmPzc.txt'); plot(Fk(:,1),Fk(:,2)*2,'b') hold on; plot(Fp(:,1),Fp(:,2)*1e-3,'r')

  2. 5Mhz • PIEZOCAD INPUT PARAMETERS Program version: PiezoCAD for Windows Version 3.03 • Data file: NEW - Not saved Date and time calculated: 07-08-2009 11:25:13 • Basic file for starting new designs - no faceplates or backplates, no electrical matching • FREQUENCY AND TIME • Design center frequency Fd = 5.000 MHz Frequency range of calculation: 1.000 to 10.000 MHz • Number of points in frequency domain: 250 Time domain: 1024 • PIEZOELECTRIC ELEMENT DESCRIPTION • Element size: 6 mm disk Element area: 28.2743 mm^2 • PARAMETER VALUE UNITS • Thickness 0.3915 mm • Parallel frequency Fp 5.5556 MHz • Material PZT-4 plate • Polarity + • Longititudinal impedance 33.713 MRayls • Longitudinal velocity 4350.0 m/sec • Shear velocity 2175.0 m/sec • Density 7750.0 kg/m^3 • Clamped capacit. Co 530.5 pF • Clamped dielectric const. 830.00 E33s • Thickness coupling kt 0.4900 • Electrical loss tangent 0.0000 tan de • Mechanical loss tangent 0.0000 tan dm • Vendor Morgan Matroc • Data source Data sheet • ACOUSTIC LAYERS • No Faceplates • No Backplates • ACOUSTIC LOAD IMPEDANCES: Rear: 6.000 MRayls Front: 1.500 MRayls • ELECTRICAL TERMINATIONS: Transmitter output = 50.0 Ohms Receiver input = 50.0 Ohms • ELECTRICAL MATCHING NETWORK: • No electrical matching network

  3. PZT5MHz Transmit impulse response, Klm*2 Transmit Impedance Receive impulse response, Klm*3 Receive Impedance

  4. PZT5MHz Echo impulse response, Klm*2 Transmit exct (1 bust) response, Klm*2, 1 point delay Echo exct (1 bust) response, Klm*2, 1 point delay

  5. PZT5MHz 2B2M • PIEZOCAD INPUT PARAMETERS Program version: PiezoCAD for Windows Version 3.03 • Data file: NEW - Not saved Date and time calculated: 07-10-2009 19:15:55 • Basic file for starting new designs - no faceplates or backplates, no electrical matching • FREQUENCY AND TIME • Design center frequency Fd = 5.000 MHz Frequency range of calculation: 1.000 to 10.000 MHz • Number of points in frequency domain: 250 Time domain: 1024 • PIEZOELECTRIC ELEMENT DESCRIPTION • Element size: 6 mm disk Element area: 28.2743 mm^2 • PARAMETER VALUE UNITS • Thickness 0.3915 mm • Parallel frequency Fp 5.5556 MHz • Material PZT-4 plate • Polarity + • Longititudinal impedance 33.713 MRayls • Longitudinal velocity 4350.0 m/sec • Shear velocity 2175.0 m/sec • Density 7750.0 kg/m^3 • Clamped capacit. Co 530.5 pF • Clamped dielectric const. 830.00 E33s • Thickness coupling kt 0.4900 • Electrical loss tangent 0.0000 tan de • Mechanical loss tangent 0.0000 tan dm • Vendor Morgan Matroc • Data source Data sheet • ACOUSTIC LAYERS • FACE MATL SHEAR LONG. LONG LOSS LOSS LOSS REL. THICK THICK • PLATE NAME VEL. VEL. IMPED. ALPHA AT F N AREA Lambdas • No. m/sec m/sec MRayls dB/cm MHz At Fd mm • 1 M1 1768.4 2501.0 7.503 0.000 1.000 1.00 1.000 0.2501 0.1251 • 2 Blank 1414.2 2000.0 3.000 0.000 1.000 1.00 1.000 0.2500 0.1000 • BACKPLATES • 1 back1 1414.2 2000.0 6.000 15.000 1.000 1.00 1.000 3.7500 1.5000 • 2 back2 1000.0 2000.0 2.000 8.000 1.000 1.00 1.000 10.0000 4.0000 • ACOUSTIC LOAD IMPEDANCES: Rear: 6.000 MRayls Front: 1.500 MRayls • ELECTRICAL TERMINATIONS: Transmitter output = 50.0 Ohms Receiver input = 50.0 Ohms • ELECTRICAL MATCHING NETWORK: • No electrical matching network

  6. PZT5MHz 2B2M Transmit Impedance Receive Impedance Transmit Impulse response KLM*2 Receive Impulse response KLM*3.5

  7. PZT5MHz 2B2M Pulse-echo Impulse response KLM*2 Transmit 1burst excitation response echo 1burst excitation response

  8. PZT5MHz 2B2M+cable, ZT 50ohm, 5m, 100db/Mhz/Km Ideal 50ohm, 5m Shnt C:15p, SL 1u, Sr: 50 Cable:I50ohm, 5m,100db/Mhz/Km SC:1u, ShntL: 2u, ShntR 150 Shnt C:15p, SL 1u, Sr: 50 Cable:I50ohm, 5m,100db/Mhz/Km

  9. PZT5MHz 2B2M+PE cable, DE Transmit impulse, klm*2 receive impulse, klm*4 Pulse-echo impulse response Transmit excitation klm*2

  10. PZT5MHz 2B2M+PE cable, DE PulseEcho excitation klm*2