songtianlun/openfoam
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ENH: noiseModel gainX - protect against very small input frequencies

Browse Source
This commit is contained in:
Andrew Heather 2021-02-15 12:51:35 +00:00
parent ae8ccd7b94
commit a334aaae78
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/randomProcesses/noise/noiseModels/noiseModel/noiseModel.C
View File

@ -434,6 +434,11 @@ Foam::scalar Foam::noiseModel::RAf(const scalar f) const
Foam::scalar Foam::noiseModel::gainA(const scalar f) const
{
if (f < SMALL)
{
return 0;
}
return 20*log10(RAf(f)) - 20*log10(RAf(1000));
}
@ -456,6 +461,11 @@ Foam::scalar Foam::noiseModel::RBf(const scalar f) const
Foam::scalar Foam::noiseModel::gainB(const scalar f) const
{
if (f < SMALL)
{
return 0;
}
return 20*log10(RBf(f)) - 20*log10(RBf(1000));
}
@ -473,6 +483,11 @@ Foam::scalar Foam::noiseModel::RCf(const scalar f) const
Foam::scalar Foam::noiseModel::gainC(const scalar f) const
{
if (f < SMALL)
{
return 0;
}
return 20*log10(RCf(f)) - 20*log10(RCf(1000));
}
@ -492,6 +507,11 @@ Foam::scalar Foam::noiseModel::RDf(const scalar f) const
Foam::scalar Foam::noiseModel::gainD(const scalar f) const
{
if (f < SMALL)
{
return 0;
}
return 20*log10(RDf(f));
}