Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
System and method for computing and unordered Hadamard transform










Image Number 8 for United States Patent #6766342.

A system and method for parallel computation of the unordered Hadamard transform. The computing system includes a plurality of interconnected processors and corresponding local memories. An input signal x is received, partitioned into M.sub.1 sub-vectors x.sub.i of length M.sub.2, and distributed to the local memories. Each processor computer a Hadamard transform (order M.sub.2) on the sub-vectors in its local memory (in parallel), generating M.sub.1 result sub-vectors t.sub.i of length M.sub.2, which compose a vector t of length M.sub.1.times.M.sub.2. A stride permutation (stride M.sub.2) is performed on t generating vector u. Each processor computes a Hadamard transform (order M.sub.1) on the sub-vectors u.sub.j in its local memory (in parallel), generating M.sub.1 result sub-vectors v.sub.j of length M.sub.2, which compose a vector v of length M.sub.2.times.M.sub.1. A stride permutation is performed on v (stride M.sub.1) generating result vector w, which is the Hadamard transform of the input signal x.








 
 
  Recently Added Patents
Apoptosis inductor extracted from potato, potato foodstuff containing the inductor, and processed product thereof
System and method for employing signoff-quality timing analysis information concurrently in multiple scenarios to reduce dynamic power in an electronic circuit and an apparatus incorporating t
Container
Watch chain
Determining system for localization methods combination
Piano keyboard with key touch point detection
Verbena plant named `Duempsopicha`
  Randomly Featured Patents
Method and apparatus for opening downhole flapper valves
Flatware
Monitoring and reporting service failures during handoff situations for adjusting subscriber billing
Granulator mill
Semiconductor non-volatile memory device having floating gate type reference cell short-circuited between control gate electrode and floating gate electrode
Electromagnetic suspension system
Self-aligning peptides modeled on human elastin and other fibrous proteins
Pen-based entry electronic device
Semiconductor device and manufacturing method thereof
Enzyme immunoassay for detecting HIV antigens in human sera