Method and system for performing an FIR filtering operation

Details Method and system for performing an FIR filtering operation Method and system for performing an FIR filtering operation

1995-08-28

1998-02-24

Elmore, Reba I.

Boots, shoes, and leggings

364722, 36472401, G06F 700, G06F 1500, G06F 1710

Patent

active

057216967

ABSTRACT:
A method and system for an FIR filter are provided. A sequence of input signal is converted to a corresponding sequence of log signals. FIR filtering coefficients are then added to each log signal to generate a plurality of term signals. The term signals are then converted to inverse-log signals, and the inverse-log signals are summed to produce an output signal. Log/inverse-log conversions of signals are based on estimating a log/inverse-log function using a second-order polynomial.

REFERENCES:
patent: 4555768 (1985-11-01), Lewis
patent: 5184317 (1993-02-01), Pickett
patent: 5553012 (1996-09-01), Buss et al.
A 10-ns Hybrid Number System Data Execution Unit for Digital Signal Processing Systems by Fang-shi Lai, IEEE Journal of Solid-State Circuits, vol. 26, No. 4, Apr. 1991, pp. 590-599.
A Hybrid Number System Processor with Geometric and Complex Arithmetic Capabilities by Fang-shi Lai, and Ching-Farn Eric Wu, IEEE Transactions on Computers, vol. 40, No. 8, Aug. 1991, pp. 952-960.
A 3.84 GIPS Integrated Memory Array Processor with 64 Processing Elements and a 2-Mb SRAM by Nobuyuki Yamashita, Tohru Kimura, Yoshihiro Fujita, Yoshiharu Aimoto, Takashi Manabe, Shin'ichiro Okazaki, Kazuyuki Nakamura, and Masakazu Yamashina, IEEE Journal of Solid-State Circuits, vol. 29, No. 11, Nov. 1994, pp. 1336-1343.
"The Efficient Implementation and Analysis of a Hybrid Number System Processor" by Fang-shi Lai, IEEE Transactions on Circuits and Systems-II: Analog and Digital Signal Processing, vol. 40, No. 6, Jun. 1993.

Affiliated with

Also associated with

Rating

Method and system for performing an FIR filtering operation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for performing an FIR filtering operation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for performing an FIR filtering operation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1878935