From 6e787a660b0a1a456d42d8a420dfe790431dfc40 Mon Sep 17 00:00:00 2001
From: Nicolas Tobler <nicolas.tobler@ost.ch>
Date: Thu, 2 Jun 2022 01:28:17 +0200
Subject: working on presentation

---
 buch/papers/ellfilter/python/F_N_elliptic.pgf | 335 +++++++++++++-------------
 buch/papers/ellfilter/python/elliptic.pgf     | 232 ++++++++++--------
 buch/papers/ellfilter/python/elliptic.py      |   4 +-
 buch/papers/ellfilter/python/elliptic2.py     |  38 ++-
 buch/papers/ellfilter/python/k.pgf            |   4 +-
 5 files changed, 321 insertions(+), 292 deletions(-)

(limited to 'buch/papers/ellfilter/python')

diff --git a/buch/papers/ellfilter/python/F_N_elliptic.pgf b/buch/papers/ellfilter/python/F_N_elliptic.pgf
index 03084c6..50faaaa 100644
--- a/buch/papers/ellfilter/python/F_N_elliptic.pgf
+++ b/buch/papers/ellfilter/python/F_N_elliptic.pgf
@@ -94,8 +94,8 @@
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@@ -114,11 +114,11 @@
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diff --git a/buch/papers/ellfilter/python/elliptic.pgf b/buch/papers/ellfilter/python/elliptic.pgf
index 31b77d4..89ffb60 100644
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+\pgfpathlineto{\pgfqpoint{3.012676in}{0.717023in}}%
+\pgfpathlineto{\pgfqpoint{3.120888in}{0.721532in}}%
+\pgfpathlineto{\pgfqpoint{3.254012in}{0.723855in}}%
+\pgfpathlineto{\pgfqpoint{3.424505in}{0.723575in}}%
+\pgfpathlineto{\pgfqpoint{3.658834in}{0.719887in}}%
 \pgfpathlineto{\pgfqpoint{3.761597in}{0.717600in}}%
 \pgfpathlineto{\pgfqpoint{3.761597in}{0.717600in}}%
 \pgfusepath{stroke}%
diff --git a/buch/papers/ellfilter/python/elliptic.py b/buch/papers/ellfilter/python/elliptic.py
index b3336a1..c9cf5bd 100644
--- a/buch/papers/ellfilter/python/elliptic.py
+++ b/buch/papers/ellfilter/python/elliptic.py
@@ -324,9 +324,9 @@ K_prime = ell_int(np.sqrt(1-k**2))
 
 
 f, axs = plt.subplots(1,2, figsize=(5,2.5))
-axs[0].plot(k, K, linewidth=0.1)
+axs[0].plot(k, K, linewidth=1)
 axs[0].text(k[30], K[30]+0.1, f"$K$")
-axs[0].plot(k, K_prime, linewidth=0.1)
+axs[0].plot(k, K_prime, linewidth=1)
 axs[0].text(k[30], K_prime[30]+0.1, f"$K^\prime$")
 axs[0].set_xlim([0,1])
 axs[0].set_ylim([0,4])
diff --git a/buch/papers/ellfilter/python/elliptic2.py b/buch/papers/ellfilter/python/elliptic2.py
index 29c6f47..cfa16ea 100644
--- a/buch/papers/ellfilter/python/elliptic2.py
+++ b/buch/papers/ellfilter/python/elliptic2.py
@@ -1,5 +1,6 @@
 # %%
 
+import enum
 import matplotlib.pyplot as plt
 import scipy.signal
 import numpy as np
@@ -8,7 +9,9 @@ from matplotlib.patches import Rectangle
 
 import plot_params
 
-def ellip_filter(N):
+N=5
+
+def ellip_filter(N, mode=-1):
 
     order = N
     passband_ripple_db = 3
@@ -26,7 +29,16 @@ def ellip_filter(N):
         fs=None
     )
 
-    w, mag_db, phase = scipy.signal.bode((a, b), w=np.linspace(0*omega_c,2*omega_c, 4000))
+    if mode == 0:
+        w = np.linspace(0*omega_c,omega_c, 2000)
+    elif mode == 1:
+        w = np.linspace(omega_c,1.00992*omega_c, 2000)
+    elif mode == 2:
+        w = np.linspace(1.00992*omega_c,2*omega_c, 2000)
+    else:
+        w = np.linspace(0*omega_c,2*omega_c, 4000)
+
+    w, mag_db, phase = scipy.signal.bode((a, b), w=w)
 
     mag = 10**(mag_db/20)
 
@@ -40,9 +52,9 @@ def ellip_filter(N):
 
 plt.figure(figsize=(4,2.5))
 
-for N in [5]:
-    w, FN2, mag, a, b = ellip_filter(N)
-    plt.semilogy(w, FN2, label=f"$N={N}, k=0.1$", linewidth=1)
+for mode, c in enumerate(["green", "orange", "red"]):
+    w, FN2, mag, a, b = ellip_filter(N, mode=mode)
+    plt.semilogy(w, FN2, label=f"$N={N}, k=0.1$", linewidth=1, color=c)
 
 plt.gca().add_patch(Rectangle(
     (0, 0),
@@ -53,21 +65,21 @@ plt.gca().add_patch(Rectangle(
 ))
 plt.gca().add_patch(Rectangle(
     (1, 1),
-    0.01, 1e2-1,
+    0.00992, 1e2-1,
     fc ='orange',
     alpha=0.2,
     lw = 10,
 ))
 
 plt.gca().add_patch(Rectangle(
-    (1.01, 100),
+    (1.00992, 100),
     1, 1e6,
     fc ='red',
     alpha=0.2,
     lw = 10,
 ))
 
-zeros = [0,0.87,1]
+zeros = [0,0.87,0.995]
 poles = [1.01,1.155]
 
 import matplotlib.transforms
@@ -99,7 +111,7 @@ plt.ylim([1e-4,1e6])
 plt.grid()
 plt.xlabel("$w$")
 plt.ylabel("$F^2_N(w)$")
-plt.legend()
+# plt.legend()
 plt.tight_layout()
 plt.savefig("F_N_elliptic.pgf")
 plt.show()
@@ -107,7 +119,9 @@ plt.show()
 
 
 plt.figure(figsize=(4,2.5))
-plt.plot(w, mag, linewidth=1)
+for mode, c in enumerate(["green", "orange", "red"]):
+    w, FN2, mag, a, b = ellip_filter(N, mode=mode)
+    plt.plot(w, mag, linewidth=1, color=c)
 
 plt.gca().add_patch(Rectangle(
     (0, np.sqrt(2)/2),
@@ -118,14 +132,14 @@ plt.gca().add_patch(Rectangle(
 ))
 plt.gca().add_patch(Rectangle(
     (1, 0.1),
-    0.01, np.sqrt(2)/2 - 0.1,
+    0.00992, np.sqrt(2)/2 - 0.1,
     fc ='orange',
     alpha=0.2,
     lw = 10,
 ))
 
 plt.gca().add_patch(Rectangle(
-    (1.01, 0),
+    (1.00992, 0),
     1, 0.1,
     fc ='red',
     alpha=0.2,
diff --git a/buch/papers/ellfilter/python/k.pgf b/buch/papers/ellfilter/python/k.pgf
index 95d61d4..52dd705 100644
--- a/buch/papers/ellfilter/python/k.pgf
+++ b/buch/papers/ellfilter/python/k.pgf
@@ -320,7 +320,7 @@
 \pgfusepath{clip}%
 \pgfsetrectcap%
 \pgfsetroundjoin%
-\pgfsetlinewidth{0.100375pt}%
+\pgfsetlinewidth{1.003750pt}%
 \definecolor{currentstroke}{rgb}{0.121569,0.466667,0.705882}%
 \pgfsetstrokecolor{currentstroke}%
 \pgfsetdash{}{0pt}%
@@ -434,7 +434,7 @@
 \pgfusepath{clip}%
 \pgfsetrectcap%
 \pgfsetroundjoin%
-\pgfsetlinewidth{0.100375pt}%
+\pgfsetlinewidth{1.003750pt}%
 \definecolor{currentstroke}{rgb}{1.000000,0.498039,0.054902}%
 \pgfsetstrokecolor{currentstroke}%
 \pgfsetdash{}{0pt}%
-- 
cgit v1.2.1