GE M
EDICAL
S
YSTEMS
PROPRIETARY TO GE
D
IRECTION
2294854-100, R
EVISION
3
LOGIQ™ 9 P
ROPRIETARY
M
ANUAL
5-18
Section 5-3 - Front End Processor
5-3-5-2
Receive Signal Processing
The receive signal processing function performs the majority of the data processing within the BMP
subsystem. The incoming digital complex data is processed for use with the B-Mode or timeline (M-
Mode) outputs.
The receive signal processing is functionally partitioned into the synthetic aperture, axial interpolation,
detector and compounder, smoothing filter, rate converter, dynamic range compression, edge enhance
and splicer blocks as shown in Figure 4. The lateral spatial filter is needed when 2-for-1 b-mode imaging
is implemented.
Figure 5-15 BMP Top Block Diagram
I Data
(From EQ)
Q Data
1
1
2
2
2
1
DIAG
1
2
DIAG
1
2
DIAG
15
/
15
/
15
/
16
/
16
/
16
/
16
/
16
/
16
/
Test Vector
Generator
Synthetic
Aperature
Axial
Interpolation
Detector
and
Vector
Compounding
Low Pass
Filter
Rate
Converter
1
1
2
2
1
1
2
2
1
2
DIAG
8
/
8
/
8
/
8
/
8
/
8
/
Dynamic
Range
Compression
Edge
Enhance
Splicer
B-Mode
Output
B/M Mode
Output
M-Mode
Output
M Data
PCI Address,
Data and Control
Scan Bus Address,
Data and Control
PCI I/F
Vector
Configuration
Clock
Distribution
Power
I/F