qmf: Quadrature Mirror Filter

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

Computes the quadrature mirror filter from a given filter.

Usage

1
qmf(g, low2high=TRUE)

Arguments

g

Filter coefficients.

low2high

Logical, default is TRUE which means a low-pass filter is input and a high-pass filter is output. Setting low2high=F performs the inverse.

Details

None.

Value

Quadrature mirror filter.

Author(s)

B. Whitcher

References

Any basic signal processing text.

See Also

wave.filter.

Examples

1
2
3
## Haar wavelet filter
g <- wave.filter("haar")$lpf
qmf(g)

Example output

waveslim: Wavelet Method for 1/2/3D Signals (version = 1.7.5)

[1]  0.7071068 -0.7071068

waveslim documentation built on May 2, 2019, 4:41 p.m.

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