Invention Grant
- Patent Title: Desensitized filters with droop correction
- Patent Title (中): 具有下垂矫正的脱敏滤镜
-
Application No.: US12731122Application Date: 2010-03-24
-
Publication No.: US08645443B2Publication Date: 2014-02-04
- Inventor: Alan N. Willson, Jr.
- Applicant: Alan N. Willson, Jr.
- Applicant Address: US CA Pasadena
- Assignee: Pentomics, Inc.
- Current Assignee: Pentomics, Inc.
- Current Assignee Address: US CA Pasadena
- Agency: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- Main IPC: G06F17/10
- IPC: G06F17/10 ; G06F17/17

Abstract:
A method and system for the design and implementation of desensitized digital filters with droop correction. The desensitized digital filter includes a first filter configured to receive an input signal, a decimator or upsampler, and a modified desensitized half-band filter. The first filter introduces droop into the passband of the desensitized digital filter. The desensitized half-band filter has a transfer function F(z)=K(1+z−1)G(z) wherein K≠0 is a scale factor, that is modified to omit a (1+z−1) factor block. The modified desensitized half-band filter compensates for the passband droop introduced by the first filter. The first filter may be a sinc filter, CIC filter, or filter having similar properties.
Public/Granted literature
- US20100235420A1 Desensitized Filters with Droop Correction Public/Granted day:2010-09-16
Information query