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Re-structuring of antennas module

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Craig Warren
2018-01-13 18:02:47 +01:00
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共有 8 个文件被更改，包括 205 次插入 和 186 次删除
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180
user_libs/antennas/GSSI.py 普通文件
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@@ -0,0 +1,180 @@
# Copyright (C) 2015-2018, Craig Warren
#
# This module is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
# To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.
#
# Please use the attribution at http://dx.doi.org/10.1190/1.3548506
import os
from gprMax.exceptions import CmdInputError
from gprMax.input_cmd_funcs import *
userlibdir = os.path.dirname(os.path.abspath(__file__))
def antenna_like_GSSI_1500(x, y, z, resolution=0.001, rotate90=False, **kwargs):
"""Inserts a description of an antenna similar to the GSSI 1.5GHz antenna. Can be used with 1mm (default) or 2mm spatial resolution. The external dimensions of the antenna are 170x108x45mm. One output point is defined between the arms of the receiever bowtie. The bowties are aligned with the y axis so the output is the y component of the electric field (x component if the antenna is rotated 90 degrees).
Args:
x, y, z (float): Coordinates of a location in the model to insert the antenna. Coordinates are relative to the geometric centre of the antenna in the x-y plane and the bottom of the antenna skid in the z direction.
resolution (float): Spatial resolution for the antenna model.
rotate90 (bool): Rotate model 90 degrees CCW in xy plane.
kwargs (dict): Optional variables, e.g. can be fed from an optimisation process.
"""
# Antenna geometry properties
casesize = (0.170, 0.108, 0.043)
casethickness = 0.002
shieldthickness = 0.002
foamsurroundthickness = 0.003
pcbthickness = 0.002
skidthickness = 0.004
bowtiebase = 0.022
bowtieheight = 0.014
patchheight = 0.015
# Set origin for rotation to geometric centre of antenna in x-y plane if required, and set output component for receiver
if rotate90:
rotate90origin = (x, y)
output = 'Ex'
else:
rotate90origin = ()
output = 'Ey'
# Unknown properties
if kwargs:
excitationfreq = kwargs['excitationfreq']
sourceresistance = kwargs['sourceresistance']
absorberEr = kwargs['absorberEr']
absorbersig = kwargs['absorbersig']
rxres = 50
else:
# excitationfreq = 1.5e9 # GHz
# sourceresistance = 50 # Ohms
# absorberEr = 1.7
# absorbersig = 0.59
# Values from http://hdl.handle.net/1842/4074
excitationfreq = 1.71e9
# sourceresistance = 4
sourceresistance = 230 # Correction for old (< 123) GprMax3D bug
# absorberEr = 1.58
# absorbersig = 0.428
rxres = 925 # Resistance at Rx bowtie
x = x - (casesize[0] / 2)
y = y - (casesize[1] / 2)
# Coordinates of source excitation point in antenna
tx = x + 0.114, y + 0.053, z + skidthickness
if resolution == 0.001:
dx = 0.001
dy = 0.001
dz = 0.001
elif resolution == 0.002:
dx = 0.002
dy = 0.002
dz = 0.002
foamsurroundthickness = 0.002
patchheight = 0.016
tx = x + 0.114, y + 0.052, z + skidthickness
else:
raise CmdInputError('This antenna module can only be used with a spatial discretisation of 1mm or 2mm')
# Material definitions
# material(absorberEr, absorbersig, 1, 0, 'absorber')
material(1, 0, 1, 0, 'absorber')
print('#add_dispersion_debye: 3 3.7733 1.00723e-11 3.14418 1.55686e-10 20.2441 3.44129e-10 absorber') # Eccosorb LS22 3-pole Debye model (https://bitbucket.org/uoyaeg/aegboxts/wiki/Home)
material(3, 0, 1, 0, 'pcb')
material(2.35, 0, 1, 0, 'hdpe')
material(3, (1 / rxres) * (dy / (dx * dz)), 1, 0, 'rxres')
# Antenna geometry
# Plastic case
box(x, y, z + skidthickness, x + casesize[0], y + casesize[1], z + skidthickness + casesize[2], 'hdpe', rotate90origin=rotate90origin)
box(x + casethickness, y + casethickness, z + skidthickness, x + casesize[0] - casethickness, y + casesize[1] - casethickness, z + skidthickness + casesize[2] - casethickness, 'free_space', rotate90origin=rotate90origin)
# Metallic enclosure
box(x + 0.025, y + casethickness, z + skidthickness, x + casesize[0] - 0.025, y + casesize[1] - casethickness, z + skidthickness + 0.027, 'pec', rotate90origin=rotate90origin)
# Absorber material, and foam (modelled as PCB material) around edge of absorber
box(x + 0.025 + shieldthickness, y + casethickness + shieldthickness, z + skidthickness, x + 0.025 + shieldthickness + 0.057, y + casesize[1] - casethickness - shieldthickness, z + skidthickness + 0.027 - shieldthickness - 0.001, 'pcb', rotate90origin=rotate90origin)
box(x + 0.025 + shieldthickness + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.025 + shieldthickness + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + 0.027 - shieldthickness, 'absorber', rotate90origin=rotate90origin)
box(x + 0.086, y + casethickness + shieldthickness, z + skidthickness, x + 0.086 + 0.057, y + casesize[1] - casethickness - shieldthickness, z + skidthickness + 0.027 - shieldthickness - 0.001, 'pcb', rotate90origin=rotate90origin)
box(x + 0.086 + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + 0.027 - shieldthickness, 'absorber', rotate90origin=rotate90origin)
# PCB
box(x + 0.025 + shieldthickness + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 - shieldthickness - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + pcbthickness, 'pcb', rotate90origin=rotate90origin)
box(x + 0.086 + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + pcbthickness, 'pcb', rotate90origin=rotate90origin)
# PCB components
if resolution == 0.001:
# Rx & Tx bowties
a = 0
b = 0
while b < 13:
plate(x + 0.045 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.045 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
b += 1
if a == 2 or a == 4 or a == 7:
plate(x + 0.045 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.045 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
b += 1
a += 1
# Rx extension section (upper y)
plate(x + 0.044, y + 0.068, z + skidthickness, x + 0.044 + bowtiebase, y + 0.068 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (upper y)
plate(x + 0.103, y + 0.068, z + skidthickness, x + 0.103 + bowtiebase, y + 0.068 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Edges that represent wire between bowtie halves in 1mm model
edge(tx[0] - 0.059, tx[1] - dy, tx[2], tx[0] - 0.059, tx[1], tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0] - 0.059, tx[1] + dy, tx[2], tx[0] - 0.059, tx[1] + 0.002, tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0], tx[1] - dy, tx[2], tx[0], tx[1], tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0], tx[1] + dz, tx[2], tx[0], tx[1] + 0.002, tx[2], 'pec', rotate90origin=rotate90origin)
elif resolution == 0.002:
# Rx & Tx bowties
for a in range(0, 6):
plate(x + 0.044 + a * dx, y + 0.040 + a * dx, z + skidthickness, x + 0.066 - a * dx, y + 0.040 + a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.044 + a * dx, y + 0.064 - a * dx, z + skidthickness, x + 0.066 - a * dx, y + 0.064 - a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.103 + a * dx, y + 0.040 + a * dx, z + skidthickness, x + 0.125 - a * dx, y + 0.040 + a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.103 + a * dx, y + 0.064 - a * dx, z + skidthickness, x + 0.125 - a * dx, y + 0.064 - a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Rx extension section (upper y)
plate(x + 0.044, y + 0.066, z + skidthickness, x + 0.044 + bowtiebase, y + 0.066 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (upper y)
plate(x + 0.103, y + 0.066, z + skidthickness, x + 0.103 + bowtiebase, y + 0.066 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Rx extension section (lower y)
plate(x + 0.044, y + 0.024, z + skidthickness, x + 0.044 + bowtiebase, y + 0.024 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (lower y)
plate(x + 0.103, y + 0.024, z + skidthickness, x + 0.103 + bowtiebase, y + 0.024 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Skid
box(x, y, z, x + casesize[0], y + casesize[1], z + skidthickness, 'hdpe', rotate90origin=rotate90origin)
# Geometry views
# geometry_view(x - dx, y - dy, z - dz, x + casesize[0] + dx, y + casesize[1] + dy, z + skidthickness + casesize[2] + dz, dx, dy, dz, 'antenna_like_GSSI_1500')
# geometry_view(x, y, z, x + casesize[0], y + casesize[1], z + 0.010, dx, dy, dz, 'antenna_like_GSSI_1500_pcb', type='f')
# Excitation - custom pulse
# print('#excitation_file: {}'.format(os.path.join(userlibdir, 'GSSIgausspulse1.txt')))
# print('#transmission_line: y {} {} {} {} GSSIgausspulse1'.format(tx[0], tx[1], tx[2], sourceresistance))
# Excitation - Gaussian pulse
print('#waveform: gaussian 1 {} myGaussian'.format(excitationfreq))
# transmission_line('y', tx[0], tx[1], tx[2], sourceresistance, 'myGaussian', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
voltage_source('y', tx[0], tx[1], tx[2], sourceresistance, 'myGaussian', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
# Output point - receiver bowtie
if resolution == 0.001:
edge(tx[0] - 0.059, tx[1], tx[2], tx[0] - 0.059, tx[1] + dy, tx[2], 'rxres', rotate90origin=rotate90origin)
rx(tx[0] - 0.059, tx[1], tx[2], identifier='rxbowtie', to_save=[output], polarisation='y', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
elif resolution == 0.002:
edge(tx[0] - 0.060, tx[1], tx[2], tx[0] - 0.060, tx[1] + dy, tx[2], 'rxres', rotate90origin=rotate90origin)
rx(tx[0] - 0.060, tx[1], tx[2], identifier='rxbowtie', to_save=[output], polarisation='y', dxdy=(resolution, resolution), rotate90origin=rotate90origin)

168
user_libs/antennas.py → user_libs/antennas/MALA.py
查看文件

@@ -1,4 +1,4 @@
# Copyright (C) 2015-2017, Craig Warren
# Copyright (C) 2015-2018, Craig Warren
#
# This module is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
# To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.
@@ -13,172 +13,6 @@ from gprMax.input_cmd_funcs import *
userlibdir = os.path.dirname(os.path.abspath(__file__))
def antenna_like_GSSI_1500(x, y, z, resolution=0.001, rotate90=False, **kwargs):
"""Inserts a description of an antenna similar to the GSSI 1.5GHz antenna. Can be used with 1mm (default) or 2mm spatial resolution. The external dimensions of the antenna are 170x108x45mm. One output point is defined between the arms of the receiever bowtie. The bowties are aligned with the y axis so the output is the y component of the electric field (x component if the antenna is rotated 90 degrees).
Args:
x, y, z (float): Coordinates of a location in the model to insert the antenna. Coordinates are relative to the geometric centre of the antenna in the x-y plane and the bottom of the antenna skid in the z direction.
resolution (float): Spatial resolution for the antenna model.
rotate90 (bool): Rotate model 90 degrees CCW in xy plane.
kwargs (dict): Optional variables, e.g. can be fed from an optimisation process.
"""
# Antenna geometry properties
casesize = (0.170, 0.108, 0.043)
casethickness = 0.002
shieldthickness = 0.002
foamsurroundthickness = 0.003
pcbthickness = 0.002
skidthickness = 0.004
bowtiebase = 0.022
bowtieheight = 0.014
patchheight = 0.015
# Set origin for rotation to geometric centre of antenna in x-y plane if required, and set output component for receiver
if rotate90:
rotate90origin = (x, y)
output = 'Ex'
else:
rotate90origin = ()
output = 'Ey'
# Unknown properties
if kwargs:
excitationfreq = kwargs['excitationfreq']
sourceresistance = kwargs['sourceresistance']
absorberEr = kwargs['absorberEr']
absorbersig = kwargs['absorbersig']
rxres = 50
else:
# excitationfreq = 1.5e9 # GHz
# sourceresistance = 50 # Ohms
# absorberEr = 1.7
# absorbersig = 0.59
# Values from http://hdl.handle.net/1842/4074
excitationfreq = 1.71e9
# sourceresistance = 4
sourceresistance = 230 # Correction for old (< 123) GprMax3D bug
absorberEr = 1.58
absorbersig = 0.428
rxres = 925 # Resistance at Rx bowtie
x = x - (casesize[0] / 2)
y = y - (casesize[1] / 2)
# Coordinates of source excitation point in antenna
tx = x + 0.114, y + 0.053, z + skidthickness
if resolution == 0.001:
dx = 0.001
dy = 0.001
dz = 0.001
elif resolution == 0.002:
dx = 0.002
dy = 0.002
dz = 0.002
foamsurroundthickness = 0.002
patchheight = 0.016
tx = x + 0.114, y + 0.052, z + skidthickness
else:
raise CmdInputError('This antenna module can only be used with a spatial discretisation of 1mm or 2mm')
# Material definitions
material(absorberEr, absorbersig, 1, 0, 'absorber')
# material(1, 0, 1, 0, 'absorber')
# print('#add_dispersion_debye: 3 3.7733 1.00723e-11 3.14418 1.55686e-10 20.2441 3.44129e-10 absorber') # Eccosorb LS22 3-pole Debye model (https://bitbucket.org/uoyaeg/aegboxts/wiki/Home)
material(3, 0, 1, 0, 'pcb')
material(2.35, 0, 1, 0, 'hdpe')
material(3, (1 / rxres) * (dy / (dx * dz)), 1, 0, 'rxres')
# Antenna geometry
# Plastic case
box(x, y, z + skidthickness, x + casesize[0], y + casesize[1], z + skidthickness + casesize[2], 'hdpe', rotate90origin=rotate90origin)
box(x + casethickness, y + casethickness, z + skidthickness, x + casesize[0] - casethickness, y + casesize[1] - casethickness, z + skidthickness + casesize[2] - casethickness, 'free_space', rotate90origin=rotate90origin)
# Metallic enclosure
box(x + 0.025, y + casethickness, z + skidthickness, x + casesize[0] - 0.025, y + casesize[1] - casethickness, z + skidthickness + 0.027, 'pec', rotate90origin=rotate90origin)
# Absorber material, and foam (modelled as PCB material) around edge of absorber
box(x + 0.025 + shieldthickness, y + casethickness + shieldthickness, z + skidthickness, x + 0.025 + shieldthickness + 0.057, y + casesize[1] - casethickness - shieldthickness, z + skidthickness + 0.027 - shieldthickness - 0.001, 'pcb', rotate90origin=rotate90origin)
box(x + 0.025 + shieldthickness + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.025 + shieldthickness + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + 0.027 - shieldthickness, 'absorber', rotate90origin=rotate90origin)
box(x + 0.086, y + casethickness + shieldthickness, z + skidthickness, x + 0.086 + 0.057, y + casesize[1] - casethickness - shieldthickness, z + skidthickness + 0.027 - shieldthickness - 0.001, 'pcb', rotate90origin=rotate90origin)
box(x + 0.086 + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + 0.027 - shieldthickness, 'absorber', rotate90origin=rotate90origin)
# PCB
box(x + 0.025 + shieldthickness + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 - shieldthickness - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + pcbthickness, 'pcb', rotate90origin=rotate90origin)
box(x + 0.086 + foamsurroundthickness, y + casethickness + shieldthickness + foamsurroundthickness, z + skidthickness, x + 0.086 + 0.057 - foamsurroundthickness, y + casesize[1] - casethickness - shieldthickness - foamsurroundthickness, z + skidthickness + pcbthickness, 'pcb', rotate90origin=rotate90origin)
# PCB components
if resolution == 0.001:
# Rx & Tx bowties
a = 0
b = 0
while b < 13:
plate(x + 0.045 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.045 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
b += 1
if a == 2 or a == 4 or a == 7:
plate(x + 0.045 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.045 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.065 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.039 + b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.039 + b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.104 + a * dx, y + 0.067 - b * dx, z + skidthickness, x + 0.124 - a * dx, y + 0.067 - b * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
b += 1
a += 1
# Rx extension section (upper y)
plate(x + 0.044, y + 0.068, z + skidthickness, x + 0.044 + bowtiebase, y + 0.068 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (upper y)
plate(x + 0.103, y + 0.068, z + skidthickness, x + 0.103 + bowtiebase, y + 0.068 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Edges that represent wire between bowtie halves in 1mm model
edge(tx[0] - 0.059, tx[1] - dy, tx[2], tx[0] - 0.059, tx[1], tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0] - 0.059, tx[1] + dy, tx[2], tx[0] - 0.059, tx[1] + 0.002, tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0], tx[1] - dy, tx[2], tx[0], tx[1], tx[2], 'pec', rotate90origin=rotate90origin)
edge(tx[0], tx[1] + dz, tx[2], tx[0], tx[1] + 0.002, tx[2], 'pec', rotate90origin=rotate90origin)
elif resolution == 0.002:
# Rx & Tx bowties
for a in range(0, 6):
plate(x + 0.044 + a * dx, y + 0.040 + a * dx, z + skidthickness, x + 0.066 - a * dx, y + 0.040 + a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.044 + a * dx, y + 0.064 - a * dx, z + skidthickness, x + 0.066 - a * dx, y + 0.064 - a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.103 + a * dx, y + 0.040 + a * dx, z + skidthickness, x + 0.125 - a * dx, y + 0.040 + a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
plate(x + 0.103 + a * dx, y + 0.064 - a * dx, z + skidthickness, x + 0.125 - a * dx, y + 0.064 - a * dx + dy, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Rx extension section (upper y)
plate(x + 0.044, y + 0.066, z + skidthickness, x + 0.044 + bowtiebase, y + 0.066 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (upper y)
plate(x + 0.103, y + 0.066, z + skidthickness, x + 0.103 + bowtiebase, y + 0.066 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Rx extension section (lower y)
plate(x + 0.044, y + 0.024, z + skidthickness, x + 0.044 + bowtiebase, y + 0.024 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Tx extension section (lower y)
plate(x + 0.103, y + 0.024, z + skidthickness, x + 0.103 + bowtiebase, y + 0.024 + patchheight, z + skidthickness, 'pec', rotate90origin=rotate90origin)
# Skid
box(x, y, z, x + casesize[0], y + casesize[1], z + skidthickness, 'hdpe', rotate90origin=rotate90origin)
# Geometry views
# geometry_view(x - dx, y - dy, z - dz, x + casesize[0] + dx, y + casesize[1] + dy, z + skidthickness + casesize[2] + dz, dx, dy, dz, 'antenna_like_GSSI_1500')
# geometry_view(x, y, z, x + casesize[0], y + casesize[1], z + 0.010, dx, dy, dz, 'antenna_like_GSSI_1500_pcb', type='f')
# Excitation - custom pulse
# print('#excitation_file: {}'.format(os.path.join(userlibdir, 'GSSIgausspulse1.txt')))
# print('#transmission_line: y {} {} {} {} GSSIgausspulse1'.format(tx[0], tx[1], tx[2], sourceresistance))
# Excitation - Gaussian pulse
print('#waveform: gaussian 1 {} myGaussian'.format(excitationfreq))
transmission_line('y', tx[0], tx[1], tx[2], sourceresistance, 'myGaussian', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
# Output point - receiver bowtie
if resolution == 0.001:
edge(tx[0] - 0.059, tx[1], tx[2], tx[0] - 0.059, tx[1] + dy, tx[2], 'rxres', rotate90origin=rotate90origin)
rx(tx[0] - 0.059, tx[1], tx[2], identifier='rxbowtie', to_save=[output], polarisation='y', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
elif resolution == 0.002:
edge(tx[0] - 0.060, tx[1], tx[2], tx[0] - 0.060, tx[1] + dy, tx[2], 'rxres', rotate90origin=rotate90origin)
rx(tx[0] - 0.060, tx[1], tx[2], identifier='rxbowtie', to_save=[output], polarisation='y', dxdy=(resolution, resolution), rotate90origin=rotate90origin)
def antenna_like_MALA_1200(x, y, z, resolution=0.001, rotate90=False, **kwargs):
"""Inserts a description of an antenna similar to the MALA 1.2GHz antenna. Can be used with 1mm (default) or 2mm spatial resolution. The external dimensions of the antenna are 184x109x46mm. One output point is defined between the arms of the receiever bowtie. The bowties are aligned with the y axis so the output is the y component of the electric field (x component if the antenna is rotated 90 degrees).