Improved ultrasound digital beamforming using single-bit sigma-delta modulators with band-pass decimation filters

2011 ◽  
Author(s):  
Gunes Damla Altinok ◽  
Mohammed Al-Janabi ◽  
Izzet Kale
Keyword(s):  
Sigma Delta ◽  
Digital Beamforming ◽  
Sigma Delta Modulators ◽  
Decimation Filters ◽  
Band Pass

Design of superconducting band-pass sigma–delta modulators

2002 ◽  
Vol 378-381 ◽  
pp. 1486-1490 ◽  
Author(s):  
S Kato ◽  
T Hashimoto ◽  
H Hasegawa ◽  
S Hirano ◽  
S Nagasawa ◽  
...  
Keyword(s):  
Sigma Delta ◽  
Sigma Delta Modulators ◽  
Band Pass

Noise-Shaping Characteristics of Superconducting Band-Pass Sigma-Delta Modulators

2001 ◽  
Vol 40 (Part 2, No. 10A) ◽  
pp. L1032-L1034 ◽  
Author(s):  
Tatsunori Hashimoto ◽  
Haruhiro Hasegawa ◽  
Shuichi Nagasawa ◽  
Hideo Suzuki ◽  
Kazunori Miyahara ◽  
...  
Keyword(s):  
Noise Shaping ◽  
Sigma Delta ◽  
Sigma Delta Modulators ◽  
Band Pass

Sensor Signal Digitization Utilizing a Band-Pass Sigma-Delta Modulator

2009 ◽  
Vol E92-C (6) ◽  
pp. 860-863 ◽  
Author(s):  
Lukas FUJCIK ◽  
Linus MICHAELI ◽  
Jiri HAZE ◽  
Radimir VRBA
Keyword(s):  
Sensor Signal ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Band Pass

Optimization for sigma-delta modulators

2002 ◽  
Author(s):  
A. Pneumatikakis ◽  
A. Constantinides ◽  
V. Anastassopoulos ◽  
T. Deliyannis
Keyword(s):  
Sigma Delta ◽  
Sigma Delta Modulators
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