From fb28a85dc84830e0d729aafbe584abddb80a13be Mon Sep 17 00:00:00 2001
From: naotoY <naotino@gmail.com>
Date: Thu, 11 Jan 2024 14:03:18 +0900
Subject: [PATCH] [fix] IIR function

---
 mbtrack2/tracking/rf.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mbtrack2/tracking/rf.py b/mbtrack2/tracking/rf.py
index 10711aa..3d37de9 100644
--- a/mbtrack2/tracking/rf.py
+++ b/mbtrack2/tracking/rf.py
@@ -1492,10 +1492,11 @@ class ProportionalIntegralLoop():
             T = self.ring.T1 * self.every
             alpha = np.cos(omega*T)-1
             tmp = alpha * alpha - 2 * alpha
+            print(tmp)
             if tmp > 0:
                 self.IIRcoef = alpha + np.sqrt(tmp)
             else:
-                self.IIRcoef = self.every * self.ring.T1 * cutoff * 2 * np.pi
+                self.IIRcoef = T * cutoff * 2 * np.pi
         self.IIRout = self.cav_res.Vc
 
     def IIR(self,input):
-- 
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