def SetHandle(self, databasename):
self.DatabaseDB = get_path() + '/TestResult/Database/' + str(databasename) + ".mdb"
self.BasicinfoDB = get_path() + "/Data/BasicInfo.mdb"
self.DBHandle = 'DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=%s;' % self.DatabaseDB
self.DBBasicHandle = 'DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=%s;' % self.BasicinfoDB
try:
self.DBBasicConnection = pyodbc.connect(self.DBBasicHandle)
self.BasicCursor = self.DBBasicConnection.cursor()
self.TestConnection = pyodbc.connect(self.DBHandle)
self.Cursor = self.TestConnection.cursor()
except:
tkinter.messagebox.showinfo(title='提示', message="数据库初始化连接错误")
def __init__(self, databasename, init=True):
if init is not True:
self.SetHandle(databasename)
else:
self.frequency = [1, 2, 3, 4, 5, 6, 7.5, 9.5]
# set the dot location
self.SourceDatabase = get_path() + '/Data/MyDatabase.mdb'
self.DatabaseDB = get_path() + '/TestResult/Database/' + str(databasename) + ".mdb"
self.BasicinfoDB = get_path() + "/Data/BasicInfo.mdb"
# get the database handle
self.DBHandle = 'DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=%s;' % self.DatabaseDB
# get the Basic info database handle
self.DBBasicHandle = 'DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=%s;' % self.BasicinfoDB
try:
self.DBBasicConnection = pyodbc.connect(self.DBBasicHandle)
self.BasicCursor = self.DBBasicConnection.cursor()
except:
tkinter.messagebox.showinfo(title='提示', message="数据库初始化连接错误")
# create the test database
if file_exist(self.DatabaseDB):
# connect the database
try:
self.TestConnection = pyodbc.connect(self.DBHandle)
self.Cursor = self.TestConnection.cursor()
except:
tkinter.messagebox.showinfo(title='提示', message="数据库初始化连接错误")
if self.Cursor.tables(table='TestDate').fetchone():
self.TestSeriesNo = self.Fetchone("SELECT MAX(TestSeriesNo) FROM TestDate")[0]
if self.TestSeriesNo is None:
self.TestSeriesNo = 1
self.Execute("INSERT INTO TestDate (TestSeriesNo, TestDate) VALUES"
" (%d, NOW())" % self.TestSeriesNo)
else:
self.TestSeriesNo += 1
self.Execute("INSERT INTO TestDate (TestSeriesNo, TestDate) VALUES"
" (%d, NOW())" % self.TestSeriesNo)
else:
self.TestSeriesNo = 1
self.Execute("Create TABLE TestDate(TestSeriesNo INT NOT NULL,"
" TestDate DATE, PRIMARY KEY(TestSeriesNo))")
self.Execute("INSERT INTO TestDate (TestSeriesNo, TestDate) VALUES (%d, NOW())" % self.TestSeriesNo)
else:
copy_file(self.SourceDatabase, self.DatabaseDB)
# connect the database
self.TestConnection = pyodbc.connect(self.DBHandle)
# create the database cursor
self.TestSeriesNo = 1
self.Cursor = self.TestConnection.cursor()
self.Execute("INSERT INTO TestDate (TestSeriesNo, TestDate) VALUES (%d, NOW())" % self.TestSeriesNo)
def __init__(self, filename='校准报告', report=True, lang=0):
"""initialise the word application,then return the word handle"""
if report:
if lang == 0:
self.reportpath = get_path() + '\Data\Report_cn.dot'
elif lang == 1:
self.reportpath = get_path() + '\Data\Report_en.dot'
else:
self.reportpath = get_path() + '\Data\Report_encn.dot'
else:
self.reportpath = get_path() + '\Data\Original.dot'
self.wordapp = Dispatch('Word.Application')
self.wordapp.Visible = 1
self.worddoc = self.wordapp.Documents.Add(Template=self.reportpath) # import the report template file
self.myRange = self.worddoc.Range(0, 0)
self.tablenum = self.worddoc.Paragraphs.Count
if report:
self.reportpath = get_path() + '/TestResult/' + filename
else:
self.reportpath = get_path() + '/TestResult/Original/' + filename + '_Original'
def cal_field(freq, fieldintensity):
"""get the power meter power target, the """
global antennaindex
couplercal = get_path() + '/Data/CoupleCal.xlsx'
# Coupler A: 800Mto4200M Coupler B: 2Gto18G
coupledata = xlrd.open_workbook(couplercal)
couple_a_sheet = coupledata.sheet_by_index(3)
couple_b_sheet = coupledata.sheet_by_index(2)
couple_a = [couple_a_sheet.col_values(0)[8:3209]]
couple_b = [couple_b_sheet.col_values(0)[8:1609]]
# get the couple data range(3200, 3) (1600, 3)
for i in range(1, 6):
couple_a.append(couple_a_sheet.col_values(i)[8:3209])
couple_b.append(couple_b_sheet.col_values(i)[8:1609])
# get the horn data
hornpath = get_path() + '/Data/ETS_horn.xlsx'
hornxl = xlrd.open_workbook(hornpath)
hornsheet = hornxl.sheet_by_index(0)
antennadata = [hornsheet.col_values(0)[1:11]]
for i in range(1, 12):
antennadata.append(hornsheet.col_values(i)[1:11])
# antenna index
antennaname = int(antennadata[0][0])
p_in = 1 # 端口的射频功率
# confirm the antenna with suitable frequency
if freq < 0.96 or freq > 18:
return 'Wrong frequency input'
elif freq == 0.96:
antennaindex = 0
pass
else:
for i in range(0, 10):
if antennadata[1][i] < freq <= antennadata[2][i]:
antennaname = int(antennadata[0][i])
antennaindex = i
break
else:
pass
antenna = 'ETS3160-0' + str(antennaname)
# calculate the s11
vswr = antennadata[3][antennaindex]
s11 = (vswr - 1) / (vswr + 1)
factor_input = 1 - s11 * s11
# 口径长边和短边
a = antennadata[4][antennaindex] / 100
b = antennadata[5][antennaindex] / 100
le = antennadata[9][antennaindex] / 100
lh = antennadata[10][antennaindex] / 100
d = antennadata[11][antennaindex] # 轴线上测量点到口面中心的距离
le1 = d * le / (le + d)
lh1 = d * lh / (lh + d)
lam = 0.3 / freq
w = b / sqrt(2 * lam * le1)
u = sqrt(lam * lh1 * 0.5) / a + a / sqrt(2 * lam * lh1)
v = sqrt(lam * lh1 * 0.5) / a - a / sqrt(2 * lam * lh1)
c_w = fresnel_me(w).real
s_w = fresnel_me(w).imag
c_u = fresnel_me(u).real
s_u = fresnel_me(u).imag
c_v = fresnel_me(v).real
s_v = fresnel_me(v).imag
r_e = (pow(c_w, 2) + pow(s_w, 2)) / pow(w, 2)
r_h = 0.25 * pow(pi, 2) * (pow(c_u - c_v, 2) + pow(s_u - s_v, 2)) / pow(u - v, 2)
gain_0 = 32 * a * b / (pi * pow(lam, 2)) # 这个实际上也不是其远场增益
gain_near = gain_0 * r_e * r_h # 在设定条件下的近场增益
e_cal_1w = sqrt(30 * gain_near * factor_input * p_in) / d
# 以下进行功率计监控部分的处理 'A'代表0.8G-4.2G的耦合器，而'B'代表2G~18G的耦合器（带20dB衰减器）
if freq > 4.2:
coupler = 'B'
elif freq <= 2:
coupler = 'A'
else:
coupler = 'Wrong coupler'
coupler_using = couple_a
if coupler == 'A': # 选择耦合器的数据
coupler_using = couple_a
elif coupler == 'B': # 选择耦合器的数据
coupler_using = couple_b
# 以下进行功率计监控部分的处理
freq_coupler = coupler_using[0]
powerratio_db_coupler = coupler_using[5] # 功率比值，dB
freq *= pow(10, 9)
power_ratio_antenna2pm_db = interp(freq, freq_coupler, powerratio_db_coupler) # yi = interp1(x,Y,xi)
pin_ambition = pow(fieldintensity * d, 2) / (30 * gain_near * factor_input)
pin_ambition_dbm = 10 * log10(pin_ambition) + 30
p_meter_disp_dbm = pin_ambition_dbm - power_ratio_antenna2pm_db # 功率计上显示的功率值
result = [p_meter_disp_dbm, coupler, antenna, e_cal_1w]
return result