91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

  • 大小: 79KB
    文件類型: .zip
    金幣: 2
    下載: 1 次
    發(fā)布日期: 2021-04-04
  • 語言: Matlab
  • 標簽: FDTD??

資源簡介

書《MATLAB模擬的電磁學時域有限差分方法》中的一個課后習題,仿真一個簡單的矩形微帶天線,程序計算了天線的回波損耗,畫出了其方向圖。內(nèi)附HFSS工程文件,可仿真對比。

資源截圖

代碼片段和文件信息

%?This?file?calls?the?routines?necessary?for?calculating??
%?farfield?patterns?in?xy?xz?and?yz?plane?cuts?and?displays?them.??
%?The?display?can?be?modified?as?desired.???
%?You?will?find?the?instructions?the?formats?for?
%?radiation?pattern?plots?can?be?set?by?the?user.?
?
if?number_of_farfield_frequencies?==?0?
????return;?
end?
?
calculate_radiated_power;?
%calculate_incident_plane_wave_power;?
?
j?=?sqrt(-1);?
number_of_angles?=?360;?
?
%?parameters?used?by?polar?plotting?functions?
step_size?=?10;???????%?increment?between?the?rings?in?the?polar?grid?
Nrings?=?4;???????????%?number?of?rings?in?the?polar?grid?
line_style1?=?‘b-‘;???%?line?style?for?theta?component?
line_style2?=?‘r--‘;??%?line?style?for?phi?component?
scale_type?=?‘dB‘;????%?linear?or?dB?
plot_type?=?‘D‘;
?
%if?incident_plane_wave.enabled?==?false?
?%???plot_type?=?‘D‘;?
%else?
%????plot_type?=?‘RCS‘;?
%end?

%?xy?plane?
%?===============================================?
farfield_theta?=?zeros(number_of_angles?1);?
farfield_phi???=?zeros(number_of_angles?1);?
farfield_theta?=?farfield_theta?+?pi/2;?
farfield_phi?=?(pi/180)*[-180:1:179].‘;?
const_theta?=?90;?%?used?for?plot?
?
%?calculate?farfields?
calculate_farfields_per_plane;?
?
%?plotting?the?farfield?data?
for?mi=1:number_of_farfield_frequencies??
?f?=?figure;?
?pat1?=?farfield_dataTheta(mi:).‘;?
?pat2?=?farfield_dataPhi(mi:).‘;?
?
?%?if?scale_type?is?db?use?these?otherwise?comment?these?two?lines?
?pat1?=?10*log10(pat1);??
?pat2?=?10*log10(pat2);?
?
?max_val?=?max(max([pat1?pat2]));?
?max_val?=?step_size?*?ceil(max_val/step_size);?
?
?legend_str1?=?...?
?[plot_type?‘_{\theta}?f=‘?num2str(farfield.frequencies(mi)*1e-9)?‘?GHz‘];?
?legend_str2?=?...?
?[plot_type?‘_{\phi}?f=‘?num2str(farfield.frequencies(mi)*1e-9)?‘?GHz‘];?
?
?polar_plot_constant_theta(farfield_phipat1pat2max_val?...?
????????step_size?Nringsline_style1line_style2const_theta?...?
????????legend_str1legend_str2scale_type);?
end?
?
%?xz?plane?
%?===============================================?
farfield_theta?=?zeros(number_of_angles?1);?
farfield_phi???=?zeros(number_of_angles?1);?
farfield_theta?=?(pi/180)*[-180:1:179].‘;?
const_phi?=?0;?%?used?for?plot?
?
%?calculate?farfields?
calculate_farfields_per_plane;?
?
%?plotting?the?farfield?data?
for?mi=1:number_of_farfield_frequencies??
?f?=?figure;?
?pat1?=?farfield_dataTheta(mi:).‘;?
?pat2?=?farfield_dataPhi(mi:).‘;?
?
%?if?scale_type?is?db?use?these?otherwise?comment?these?two?lines?
?pat1?=?10*log10(pat1);??
?pat2?=?10*log10(pat2);?
?
?max_val?=?max(max([pat1?pat2]));?
?max_val?=?step_size?*?ceil(max_val/step_size);?
??
?legend_str1?=?...?
?[plot_type?‘_{\theta}?f=‘?num2str(farfield.frequencies(mi)*1e-9)?‘?GHz‘];?
?legend_str2?=?...?
?[plot_type?‘_{\phi}?f=‘?num2str(farfield.frequencies(mi)*1e-9)?‘?GHz‘];?
?
?polar_plot_constant_phi(farfield_thetapat1pat2max_val?...?
????????step_size

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-25?13:32??Microstrip?antenna\
?????文件??????162535??2019-04-25?13:32??Microstrip?antenna\Project1.aedt
?????文件????????4669??2019-04-23?09:44??Microstrip?antenna\calculate_JandM.m
?????文件????????4206??2019-04-23?10:39??Microstrip?antenna\calculate_and_display_farfields.m
?????文件????????4819??2019-04-25?11:05??Microstrip?antenna\calculate_domain_size.m
?????文件????????7759??2019-04-25?11:09??Microstrip?antenna\calculate_farfields_per_plane.m
?????文件????????2988??2019-04-25?11:09??Microstrip?antenna\calculate_frequency_domain_outputs.m
?????文件????????5281??2019-04-22?16:00??Microstrip?antenna\calculate_material_component_values.m
?????文件????????1188??2019-04-23?10:06??Microstrip?antenna\calculate_radiated_power.m
?????文件????????1206??2019-04-15?13:54??Microstrip?antenna\capture_sampled_currents.m
?????文件?????????812??2019-04-15?13:55??Microstrip?antenna\capture_sampled_electric_fields.m
?????文件?????????891??2019-04-15?13:54??Microstrip?antenna\capture_sampled_magnetic_fields.m
?????文件?????????470??2019-04-18?11:20??Microstrip?antenna\capture_sampled_voltages.m
?????文件?????????557??2019-04-25?11:05??Microstrip?antenna\constants_and_empty_arrays.m
?????文件????????1128??2019-04-22?15:58??Microstrip?antenna\create_PEC_plates.m
?????文件?????????684??2019-04-22?16:01??Microstrip?antenna\create_bricks.m
?????文件?????????659??2019-04-18?09:22??Microstrip?antenna\create_linear_index_list.m
?????文件?????????746??2019-04-24?10:30??Microstrip?antenna\define_geometry.m
?????文件????????1610??2019-04-25?10:23??Microstrip?antenna\define_output_parameters.m
?????文件????????2698??2019-04-25?10:50??Microstrip?antenna\define_problem_space_parameters.m
?????文件?????????914??2019-04-25?10:17??Microstrip?antenna\define_sources_and_lumped_elements.m
?????文件????????8763??2019-04-25?13:16??Microstrip?antenna\display_3D_geometry.m
?????文件?????????805??2019-04-18?11:53??Microstrip?antenna\display_frequency_domain_outputs.m
?????文件?????????423??2019-04-18?13:21??Microstrip?antenna\display_material_mesh.m
?????文件???????35545??2019-04-18?13:22??Microstrip?antenna\display_material_mesh_gui.m
?????文件???????11536??2019-04-18?13:07??Microstrip?antenna\display_problem_space.m
?????文件?????????734??2019-04-22?15:32??Microstrip?antenna\fdtd_solve.m
?????文件?????????367??2019-04-18?10:49??Microstrip?antenna\frequency_to_time_domain.m
?????文件???????15619??2019-04-22?10:50??Microstrip?antenna\initialize_CPML_ABC.m
?????文件????????1320??2019-04-22?10:50??Microstrip?antenna\initialize_boundary_conditions.m
?????文件????????2002??2019-04-15?13:41??Microstrip?antenna\initialize_current_source_updating_coefficients.m
............此處省略21個文件信息

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