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GENERAL ULTRASONIC SYSTEM. TRANSMITTER CIRCUIT ULTRASONIC TRANSDUCERS RECEIVER CIRCUIT MEASURING CIRCUIT ANALYZER CIRCUIT SIGNAL PROCESSOR DISPLAY CIRCUIT. GENERAL ULTRASONIC SYSTEM. T. R. TRANSMITTER CIRCUIT. RECEIVER CIRCUIT. OBJECT. DISPLAY CIRCUIT. SIGNAL PROCESSOR.
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GENERAL ULTRASONIC SYSTEM • TRANSMITTER CIRCUIT • ULTRASONIC TRANSDUCERS • RECEIVER CIRCUIT • MEASURING CIRCUIT • ANALYZER CIRCUIT • SIGNAL PROCESSOR • DISPLAY CIRCUIT
GENERAL ULTRASONIC SYSTEM T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Signal Generator • Pulse Generator • Modulator • Electronic Switch • Power Amplifier • High Voltage Power Supply
TRANSMITTER CIRCUIT (1) Pulse Generator Electronic Switch 100 V – 1500 V High Voltage Power Supply Start T
TRANSMITTER CIRCUIT (2) Signal Generator 12 V Modulator Power Amplifier Pulse Generator fo Start
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Transmitter Transducer • Electric Acoustic • Loudspeaker
TRANSMITTER TRANSDUCER • Straight beam transducer • Angle beam transducer • Transmitter/Receiver (TR) transducer • Focused transducer • Immersion transducer
ULTRASONIC TRANSDUCER Wide-band Transducer Narrow-band Transducer
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT Radiated Waves : • Longitudinal Wave • Transversal Wave • Rayleigh Wave
RADIATED WAVES • Longitudinal wave • Particle displacement parallel with wave direction • Transversal wave • Particle displacement perpendicular to wave direction • Rayleigh wave (surface wave) • Particle displacement in elliptic movement
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Received Waves : • Reflected Wave • Transmitted Wave • Refracted Wave • Diffracted Wave • Scattered Wave
Incident wave Transmitted wave Reflected wave Refracted wave Incident wave RECEIVED WAVES
R2 R1 R3 T RECEIVED WAVES Incident wave Diffracted wave Incident wave Scattered wave
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Receiver Transducer • Acoustic Electric • Microphone
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Pre-Amp • Low Pass Filter • High Pass Filter • Amplifier
RECEIVER CIRCUIT Pre-Amplifier LPF HPF Amplifier
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Peak Detector • Comparator • Monostable • Flip-Flop • Oscillator • Modulator • Counter
MEASURING CIRCUIT Frequency Analysis Amplitude Analysis Receiver Circuit Peak Detector Comparator Monostable Time Analysis
Transmitted Signal Reference Signal Start Received Signal Stop
Time Measurement Oscillator Start Monostable 1 Flip-Flop Modulator Counter Monostable 2 Stop
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Time • Amplitude • Frequency
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • A/D Converter • Microprocessor • Micro Controller
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Velocity • Atenuation • Frequency Contents
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Calibration curve • Neural network • Spectroscopy • Tomography
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Oscilloscope • Seven Segments • Computer Display • Liquid Crystal Detector
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Materials : • Metals, Polymers, Ceramics • Concretes, Soils and Rocks • Woods, Rubbers, Pulps • Vegetables and Fruits • Liquids and Gas
T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Measured Variables : • Mechanical Properties • Physical Properties • Chemical Properties • Process Variables
Mechanical Properties Young Modulus Shear Modulus Poisson Ratio Chemical Properties Glucose Concentration Salt Concentration Liquid Composition MEASURED VARIABLES • Physical Properties • Porosity • Compressive Strength • Firmness • Mass density • Viscosity • Process Variables • Temperature • Pressure • Flow • Level