diff --git a/.gitignore b/.gitignore
index 8e6c80ca..92219bcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,4 @@ build/
 
 .DS_Store
 
-nrscope/twinrx_analysis/time_data/
\ No newline at end of file
+nrscope/twinrx_analysis/
diff --git a/nrscope/src/libs/radio_nr.cc b/nrscope/src/libs/radio_nr.cc
index 7470e710..62092460 100644
--- a/nrscope/src/libs/radio_nr.cc
+++ b/nrscope/src/libs/radio_nr.cc
@@ -360,10 +360,13 @@ int Radio::RadioInitandStart(){
     // the offset is NOT multiple of the subcarrier spacing
     if ((cs_args.ssb_freq_hz < ssb_center_freq_min_hz) or (cs_args.ssb_freq_hz > ssb_center_freq_max_hz) or
         (offset_hz % ssb_scs_hz != 0)) {
+      std::cout << "[xuyang debug] skipped freq: " << cs_args.ssb_freq_hz << std::endl;
       // Skip this frequency
       continue;
     }
 
+    std::cout << "[xuyang debug] freq to find ssb: " << cs_args.ssb_freq_hz << std::endl;
+
     srsran_searcher_cfg_t.srate_hz = args_t.srate_hz; // which is indeed the srsran srate
     srsran_searcher_cfg_t.center_freq_hz = cs_args.ssb_freq_hz; //args_t.base_carrier.dl_center_frequency_hz;
     srsran_searcher_cfg_t.ssb_freq_hz = cs_args.ssb_freq_hz;
diff --git a/nrscope/twinrx_analysis/time_series_plot.py b/nrscope/twinrx_analysis/time_series_plot.py
index b20c081d..b8256afd 100644
--- a/nrscope/twinrx_analysis/time_series_plot.py
+++ b/nrscope/twinrx_analysis/time_series_plot.py
@@ -1,46 +1,53 @@
 import matplotlib.pyplot as plt
 import numpy as np
 
-f1 = open("time_data/time_series_pre_resample.txt", "r")
-f2 = open("time_data/time_series_post_resample.txt", "r")
-r = 23040000/33333333; 
-fig, axs = plt.subplots(1)
+f1 = open("nontwin_time_data/time_series4.txt", "r")
+
 
+
+r = 23040000/33333333; 
+fig, axs = plt.subplots(2, constrained_layout=True, sharex=True)
+line_count = 0
 for line in f1:
+    line_count += 1
+    # continue
+    if line_count != 343:
+        continue
+    
     reformatted = line.replace(" ", "").replace("i", "j")
     complex_strs = reformatted.split(",")[:-1]
 
     cfs = []
+    reals = []
+    imgs = []
 
     for complex_str in complex_strs:
         cf = complex(complex_str)
         cfs.append(cf)
+        reals.append(cf.real)
+        imgs.append(cf.imag)
     
     x1s = np.arange(0, len(cfs), 1)
-    y1s = np.array(cfs)
+    y1s_real = np.array(reals)
+    y1s_img = np.array(imgs)
 
-    axs.plot(x1s, y1s)
+    axs[0].plot(x1s, y1s_real, label='real')
+    axs[1].plot(x1s, y1s_img, label='imag')
 
-    break
+    print(f'sampled point num: {len(cfs)}')
 
-for line in f2:
-    reformatted = line.replace(" ", "").replace("i", "j")
-    complex_strs = reformatted.split(",")[:-1]
+# print(f'line_count: {line_count}')
+# exit()
 
-    cfs = []
-
-    for complex_str in complex_strs:
-        cf = complex(complex_str)
-        cfs.append(cf)
-    
-    x2s = np.arange(0, len(cfs), 1) / r
-    y2s = np.array(cfs)
+axs[0].title.set_text('real part')
+axs[1].title.set_text('imag part')
 
-    axs.plot(x2s, y2s)
+axs[0].set_xlabel('time')
+axs[1].set_xlabel('time')
 
-    break
+axs[0].legend(loc="upper right")
+axs[1].legend(loc="upper right")
 
 plt.show()
 f1.close()
-f2.close()