更改了声线计算方式，合理分配了角度和声线进行并行运算。

pyat/ram.py

@@ -1,9 +1,17 @@
-from ramRW import PosRAM, PROF, SSPRAM, write_env_RAM, readTL_RAM
+from pyat.ramRW import PosRAM, PROF, SSPRAM, write_env_RAM, readTL_RAM
 from os import system
 import numpy as np
-from config import AtBinPath
-
-def call_ram(freq, sd, rd, bathm, ssp, sed):
+from pyat.config import AtBinPath
+def calZmax(ssp, sed):
+    d = np.array([])
+    for it in range(len(ssp)):
+        if sed == None:
+            d = np.append(d, ssp[it].z[-1])
+        else:
+            d = np.append(d, ssp[it].z[-1] + sed[it].z[-1])
+    Zmax = max(d)
+    return Zmax
+def call_ram(freq, sd, bathm, ssp, sed):
     ''' ********************************************************************************* '''
     ''' ************************** Sound Field Calculation ****************************** '''
     ''' ********************************************************************************* '''
@@ -15,6 +23,8 @@ def call_ram(freq, sd, rd, bathm, ssp, sed):
     zmplt = round(max(bathm.d)*1.1)     # Maximum depth of plot (uint: m)
     dz = 1500 / freq / 15           # Step in depth direction: wavelength / 15
     dr = 10 * dz                     # Step in range direction
+    Zmax = calZmax(ssp, sed)
+    rd = Zmax
     pos = PosRAM(sd, rd, rmax, zmax, dr, dz, zmplt)
 
     # Sound speed profile for RAM