Transform operation method, transform operation device, coordinate rotation digital computation method and coordinate rotation digital computation device

An iterative operation and directional parameter technology, applied in computing, electrical digital data processing, digital data processing components and other directions, can solve the problems of single CORDIC, cannot be universal, cannot be applied to other types, etc., and achieve the effect of simple implementation method.
CN101930351AActive Publication Date: 2010-12-29SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
3 Cites 10 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
Publication Date
2010-12-29

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a transform operation method, a transform operation device, a coordinate rotation digital computation method and a coordinate rotation digital computation device. A transform operation approximate evaluation method comprises the following steps: judging a type identifier of a function to be resolved, and searching for an iteration parameter corresponding to the type identifier; and according to the iteration parameter and the initial value of the function to be resolved, performing the iterative operation of the function to be resolved. In the invention, the corresponding iteration parameter is selected according to the preset type identifier; and when the methods and devices are used for resolving functions of different types, the configured and preset parameter of software are regulated, but the structure of hardware is not changed; one set of implementing resource is used to realize various computation types; and the implementation method is simple and normalized.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to a method of data processing, in particular to a method and device for realizing the approximate evaluation of transformation operations, and a digital calculation method for realizing coordinate rotation. Background technique

[0002] Coordinate rotation digital computer technology (Computer rotate digital computer, CORDIC) is a calculation method that uses simple shift addition and subtraction to realize various transcendental functions, and is widely used in radar, wireless communication, and ultrasonic signal processing. There are three types of CORDIC implementation methods. The first type is CORDIC in circular mode, which is divided into vector mode and rotation mode, which are used to calculate various sine and cosine factors, modulus phase, and coordinate rotation transformation; the second type is linear Mode CORDIC is used to calculate various multiplication and division; the third type is CORDIC of transcenden...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More