Method, apparatus and computer program for determining an interpolated complex valued sample
AssigneeIntel IP Corporation
InventorAndreas Menkhoff
Life of this patent
Estimating the term…
Abstract
In a method for determining an interpolated complex valued sample, a radial component of the interpolated sample is determined using information on a radial component and information on of a phase component of a first complex valued sample and of a second complex valued sample.
Claims14
A method for determining an interpolated complex sample, comprising:
- receiving at a radial interpolation circuit a first complex sample comprising a first radial sample component and a first phase sample component;
- receiving at the radial interpolation circuit a second complex sample comprising a second radial sample component and a second phase sample component;
- and
- determining, using the radial interpolation circuit, an interpolated radial sample component of the interpolated complex sample using the first radial sample component and the first phase sample component of the first complex sample, and using the second radial sample component and the second phase sample component of the second complex sample.
A method for determining an interpolated complex sample, comprising:
- in a first operation mode,
- determining, using a radial interpolation circuit, an interpolated radial sample component of the interpolated complex sample using a radial component and a phase component of a first complex sample and of a second complex sample, and
- determining, using a phase interpolation circuit, an interpolated phase sample component of the interpolated complex sample using the phase component and the radial component of the first complex sample and of the second complex sample;
- and
- in a second operation mode,
- determining, using the radial interpolation circuit, the interpolated radial sample component of the interpolated complex sample using only the radial component of the first complex sample and of the second complex sample, and
- determining, using the phase interpolation, the interpolated phase sample component of the interpolated complex sample using only the phase component of the first complex sample and of the second complex sample.
An interpolator, comprising:
- a phase interpolation circuit configured to receive first and second complex samples comprising first and second radial sample components and first and second phase sample components, respectively;
- wherein the phase interpolation circuit is further configured to determine an interpolated phase component of an interpolated complex sample using the first and second phase sample components and the first and second radial sample components.
A computer program having a program code stored on a non-transitory storage medium for performing a method when the computer program is executed on a computer or processor, the method comprising:
- receiving at a radial interpolation circuit a first complex sample comprising a first radial sample component and a first phase sample component;
- receiving at the radial interpolation circuit a second complex sample comprising a second radial sample component and a second phase sample component;
- and
- determining, using the radial interpolation circuit, an interpolated radial sample component of the interpolated complex sample using the first radial sample component and the first phase sample component of the first complex sample, and using the second radial sample component and the second phase sample component of the second complex sample.
Dependencies are inferred from the claim text.