A duplex ultrasonography studies the circulation of blood through the arteries and veins. It combines the traditional ultrasound, which produce sound waves that bounce off blood vessels to create pictures and the doppler ultrasound, which records sound waves reflecting off moving objects such as the blood.
Carotid Ultrasonography
doppler ultrasound
Ultrasonography is also called sonography, diagnostic sonography, and echocardiography when it is used to image the heart
Sonogram
CAN is half-duplex. One differential pair means one message at a time.
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
duplex duplex
TCP is usually used as full duplex, but in some case, half duplex can also be used in TCP.
Full Duplex
Doppler ultrasonography uses what is called the Doppler effect to measure the rate and direction of blood flow in the vessels.
Rahmat khairkhwa Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet has lower effective throughput.
The plural of "duplex" is "duplexes."