Overall design of filter combines radix converter with ADC in single functional unit that directly converts analog input to its negative binary representation. Four basic elements of filter are fixed register, shift register, counter, and accumulator.
Counting digital filter
NASA Tech Briefs ; 1 , 3
1977-01-01
Miscellaneous
No indication
English
Partitioned counting digital filter
NTRS | 1977
|NTIS | 1972
|Vacuum Chuck Holds Filter Pad For Counting Particles
NTRS | 1991
|Determination of Fuel Filter Efficiency Using Optical Particle Counting
SAE Technical Papers | 1995
|