BEAM FORMER
RECEIVER
Binary Numbers
Display
Misc
100
Determines the firing delay pattern for phased array xdcr’s
What is the Beam Former
100
This is the first function of the Receiver
What is Amplification
100
Use only the digits 0 and 1
What are Binary numbers
100
CRT
What is a cathode Ray Tube
100
Functions performed as part of the scan conversion and occurs before echo data are stored in image memory
What is Preprocessing
200
This Creates and controls the electrical signals that excite the XDCR’s PZT crystals and functions during transmission
What is the Pulser
200
Elimination of weak echoes from the image
What is Reject
200
The number 5 in binary
What is 000101
200
Composed of a rectangular matrix of 1024 x 768
What is a flat panel display
200
From the term picture element
What is a pixel
300
protects the delicate receiver components from the high voltages created during pulse transmission
What is the (transmit/receiver) switch
300
Changes gray scale mapping
What is Compression
300
10000
What is 32
300
The ability of the machine to display closely placed events in time
What is Temporal Resolution
300
a group of eight bits of computer memory
What is a byte
400
Responsible for: Sequencing Phase delay Steering Transmission focusing
What is Pulse Delays
400
This allows for uniform brightness of the image from top to bottom
What is Compensation
400
A word of memory
What is 2 bytes or 16 bits
400
The number of images stored per second
What is the Frame Rate
400
Shows a color overlay atop the grey-scale image
What is Elastography
500
Image depth (cm) x PRF (kHz)
What is ≤ 77 (cm/ms)
500
This prepares the electrical signal to be displayed on the CRT Rectification and smoothing also occur here
What is Demodulation
500
Binary number for 256 shade of gray (SOG)
What is 1111 1111
500
P.A.C.S.
What is Picture archiving & communications system
500
An assignment of brightness value to a missed pixel based upon an average of brightness of the adjacent pixel
What is Pixel Interpolation
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