Add my three Fourier filters (#28)

.github/workflows/python_test_deploy.yml

@@ -24,12 +24,12 @@ jobs:
       matrix:
         os: [ubuntu, macos, windows]
         case:
-          - python-version: 3.8
+          - python-version: 3.11
 
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4.2.1
         with:
           fetch-depth: 100
           persist-credentials: false
@@ -38,7 +38,7 @@ jobs:
         run: git fetch origin 'refs/tags/*:refs/tags/*'
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: ${{ matrix.case.python-version }}
 
@@ -51,7 +51,7 @@ jobs:
         run: |
           cd packages
           python create_python.py
-          pip install python/. --use-feature=in-tree-build
+          pip install python/.
           cd python
           pytest --flake8
 
@@ -64,7 +64,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4.2.1
         with:
           fetch-depth: 100
           persist-credentials: false
@@ -73,7 +73,7 @@ jobs:
         run: git fetch origin 'refs/tags/*:refs/tags/*'
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: ${{ matrix.case.python-version }}
 

lib/Fourier/fourier_wer_101_2020a_sincos.txt

@@ -0,0 +1,130 @@
+# 101 point Fourier filter, Sine and Cosine
+# =========================================
+#
+# Designed and tested for TEM data with short offsets and high resistive
+# ground.
+#
+# See the notebook `fourier_wer_101_2020a.ipynb` in the repo
+# https://github.com/emsig/new-filters
+#
+# This is based on the filter `fourier_wer_201_2018_sincos` from the article
+# (https://github.com/emsig/article-fdesign)
+#
+#
+# > Werthmüller, D., K. Key, and E. Slob, 2019;
+# > A tool for designing digital filters for the Hankel and Fourier
+# > transforms in potential, diffusive, and wavefield modeling;
+# > Geophysics, 84(2), F47-F56;
+# > DOI: 10.1190/geo2018-0069.1
+#
+#
+# Copyright 2020 Dieter Werthmüller
+#
+# This work is licensed under a CC BY 4.0 license.
+# <http://creativecommons.org/licenses/by/4.0/>.
+#
+# This file is part of libdlf.
+#
+#
+# base                       sin                        cos
+1.671053690650226280e-03   1.177128430410025000e-04   8.612264121043072818e-01
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lib/Fourier/fourier_wer_101_2020b_sincos.txt

@@ -0,0 +1,130 @@
+# 101 point Fourier filter, Sine and Cosine
+# =========================================
+#
+# Designed and tested for TEM data with short offsets and high resistive
+# ground.
+#
+# See the notebook `fourier_wer_101_2020b.ipynb` in the repo
+# https://github.com/emsig/new-filters
+#
+# This is based on the filter `fourier_wer_201_2018_sincos` from the article
+# (https://github.com/emsig/article-fdesign)
+#
+#
+# > Werthmüller, D., K. Key, and E. Slob, 2019;
+# > A tool for designing digital filters for the Hankel and Fourier
+# > transforms in potential, diffusive, and wavefield modeling;
+# > Geophysics, 84(2), F47-F56;
+# > DOI: 10.1190/geo2018-0069.1
+#
+#
+# Copyright 2020 Dieter Werthmüller
+#
+# This work is licensed under a CC BY 4.0 license.
+# <http://creativecommons.org/licenses/by/4.0/>.
+#
+# This file is part of libdlf.
+#
+#
+# base                       sin                        cos
+4.623016632091449685e-04  -3.032097930028440080e-01   4.751425628620387087e-02
+5.230368770053674685e-04   1.676703845446847474e+00  -1.644355862978697513e-01
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