Dual Antenna Magnitude & Phase Detection for Mechanical ...€¦ · Dual Antenna Magnitude & Phase...
13
Dual Antenna Magnitude & Phase Detection for Mechanical Cardiac Diagnosis Alexander Sludds
Transcript of Dual Antenna Magnitude & Phase Detection for Mechanical ...€¦ · Dual Antenna Magnitude & Phase...
Dual Antenna Magnitude & Phase Detection for Mechanical Cardiac Diagnosis
Alexander Sludds
The Problem
Utility for Diagnosis
Aortic Stenosis
Expected Data
Block Diagram
Signal Sources
Ultrasonic Doppler
2.4GHz doppler
Vector Magnitude Detection
US Patent 3,870,871
XOR Phase Detector Circuit
Automatic Gain Controller
Data Processing : Blind Source Separation
Timeline
Prior to 4/194/20-4/27 4/27-5/4 5/4-5/7
Vector Magnitude Circuit
✔
Phase Detector Circuit
✔
90 degree phase shifter
✔
Phase Compensator
✔
Automatic Gain Controller
✔
FastICA (BSS) Intergation
✔
Ultrasonic Doppler Integration
✔
2.4GHz Doppler Integration
✔
Display Integration ✔
Questions?