GENERAL ULTRASONIC SYSTEM

TRANSMITTER CIRCUIT ULTRASONIC TRANSDUCERS RECEIVER CIRCUIT MEASURING CIRCUIT ANALYZER CIRCUIT SIGNAL PROCESSOR DISPLAY CIRCUIT

GENERAL ULTRASONIC SYSTEM

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Signal Generator Pulse Generator Modulator Electronic Switch Power Amplifier High Voltage Power Supply

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

TRANSMITTER CIRCUIT (1)

Pulse Generator

High Voltage Power Supply

Electronic Switch 100 V – 1500 V

Start

T

of1T

TRANSMITTER CIRCUIT (2)

12 VSignal Generator

Pulse Generator

Modulator Power Amplifier

Start

fo

of1

Transmitter Transducer Electric Acoustic Loudspeaker

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

TRANSMITTER TRANSDUCER

Straight beam transducer Angle beam transducer Transmitter/Receiver (TR) transducer Focused transducer Immersion transducer

ULTRASONIC TRANSDUCER

Wide-band Transducer

Narrow-band Transducer

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

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

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Received Waves : Reflected Wave Transmitted Wave Refracted Wave Diffracted Wave Scattered Wave

RECEIVED WAVES

Transmitted wave

Reflected wave

Incident wave

Refracted wave

Incident wave

RECEIVED WAVES

Scattered waveIncident wave

Diffracted wave

T R2

Incident wave

R1 R3

Receiver Transducer Acoustic Electric Microphone

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Pre-Amp Low Pass Filter High Pass Filter Amplifier

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

RECEIVER CIRCUIT

Pre-Amplifier LPF AmplifierHPF

Peak Detector Comparator Monostable Flip-Flop Oscillator Modulator Counter

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

MEASURING CIRCUIT

Time Analysis

Monostable

Frequency Analysis

Amplitude AnalysisPeak Detector

Comparator

Receiver Circuit

Start

Stop

Transmitted Signal

Received Signal

Reference Signal

Time Measurement

Start

Stop

Oscillator

Flip-Flop Modulator Counter

Monostable 1

Monostable 2

Time Amplitude Frequency

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

A/D Converter Microprocessor Micro Controller

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Velocity Atenuation Frequency Contents

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Calibration curve Neural network Spectroscopy Tomography

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Oscilloscope Seven Segments Computer Display Liquid Crystal Detector

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Materials : Metals, Polymers, Ceramics Concretes, Soils and Rocks Woods, Rubbers, Pulps Vegetables and Fruits Liquids and Gas

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

Measured Variables : Mechanical Properties Physical Properties Chemical Properties Process Variables

TRANSMITTER CIRCUIT

RECEIVER CIRCUIT

MEASURING CIRCUIT

ANALYZER CIRCUIT

SIGNAL PROCESSOR

DISPLAY CIRCUIT

T R

OBJECT

MEASURED VARIABLES• Mechanical Properties

– Young Modulus– Shear Modulus– Poisson Ratio

• Chemical Properties– Glucose

Concentration– Salt Concentration– Liquid Composition

• Physical Properties– Porosity– Compressive

Strength – Firmness– Mass density– Viscosity

• Process Variables– Temperature– Pressure– Flow– Level