📄 example1.nec
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__________________________________________ | | | NUMERICAL ELECTROMAGNETICS CODE (nec2++) | | Translated to 'C++' in Double Precision | | Version 1.2.2 [2005-07-29] | |__________________________________________| ---------------- COMMENTS ---------------- EXAMPLE 1. CENTER FED LINEAR ANTENNA -------- STRUCTURE SPECIFICATION -------- COORDINATES MUST BE INPUT IN METERS OR BE SCALED TO METERS BEFORE STRUCTURE INPUT IS ENDED WIRE SEG FIRST LAST TAG No: X1 Y1 Z1 X2 Y2 Z2 RADIUS No: SEG SEG No: 1 0.0000 0.0000 -0.2500 0.0000 0.0000 0.2500 0.0010 7 1 7 0 TOTAL SEGMENTS USED: 7 SEGMENTS IN A SYMMETRIC CELL: 7 SYMMETRY FLAG: 0 ---------- SEGMENTATION DATA ---------- COORDINATES IN METERS I+ AND I- INDICATE THE SEGMENTS BEFORE AND AFTER I SEG COORDINATES OF SEGM CENTER SEGM ORIENTATION ANGLES WIRE CONNECTION DATA TAG No: X Y Z LENGTH ALPHA BETA RADIUS I- I I+ NO: 1 0.0000 0.0000 -0.2143 0.0714 90.0000 0.0000 0.0010 0 1 2 0 2 0.0000 0.0000 -0.1429 0.0714 90.0000 0.0000 0.0010 1 2 3 0 3 0.0000 0.0000 -0.0714 0.0714 90.0000 0.0000 0.0010 2 3 4 0 4 0.0000 0.0000 -0.0000 0.0714 90.0000 0.0000 0.0010 3 4 5 0 5 0.0000 0.0000 0.0714 0.0714 90.0000 0.0000 0.0010 4 5 6 0 6 0.0000 0.0000 0.1429 0.0714 90.0000 0.0000 0.0010 5 6 7 0 7 0.0000 0.0000 0.2143 0.0714 90.0000 0.0000 0.0010 6 7 0 0***** DATA CARD N0. 1 EX 0 0 4 0 1.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00***** DATA CARD N0. 2 XQ 0 0 0 0 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 --------- FREQUENCY -------- FREQUENCY= 2.9980E+02 MHZ WAVELENGTH= 1.0000E+00 METERS APPROXIMATE INTEGRATION EMPLOYED FOR SEGMENTS THAT ARE MORE THAN 1.000 WAVELENGTHS APART ------ STRUCTURE IMPEDANCE LOADING ------ THIS STRUCTURE IS NOT LOADED -------- ANTENNA ENVIRONMENT -------- FREE SPACE ---------- MATRIX TIMING ---------- FILL= 0 msec FACTOR: 0 msec --------- ANTENNA INPUT PARAMETERS --------- TAG SEG VOLTAGE (VOLTS) CURRENT (AMPS) IMPEDANCE (OHMS) ADMITTANCE (MHOS) POWER NO. NO. REAL IMAGINARY REAL IMAGINARY REAL IMAGINARY REAL IMAGINARY (WATTS) 0 4 1.0000E+00 0.0000E+00 9.2058E-03 -5.1547E-03 8.2698E+01 4.6306E+01 9.2058E-03 -5.1547E-03 4.6029E-03 -------- CURRENTS AND LOCATION -------- DISTANCES IN WAVELENGTHS SEG TAG COORDINATES OF SEGM CENTER SEGM ------------- CURRENT (AMPS) ------------- No: No: X Y Z LENGTH REAL IMAGINARY MAGN PHASE 1 0 0.0000 0.0000 -0.2143 0.07143 2.3592E-03 -1.6881E-03 2.9010E-03 -35.584 2 0 0.0000 0.0000 -0.1429 0.07143 5.9998E-03 -4.0463E-03 7.2367E-03 -33.996 3 0 0.0000 0.0000 -0.0714 0.07143 8.3711E-03 -5.1857E-03 9.8472E-03 -31.777 4 0 0.0000 0.0000 -0.0000 0.07143 9.2058E-03 -5.1547E-03 1.0551E-02 -29.246 5 0 0.0000 0.0000 0.0714 0.07143 8.3711E-03 -5.1857E-03 9.8472E-03 -31.777 6 0 0.0000 0.0000 0.1429 0.07143 5.9998E-03 -4.0463E-03 7.2367E-03 -33.996 7 0 0.0000 0.0000 0.2143 0.07143 2.3592E-03 -1.6881E-03 2.9010E-03 -35.584 ---------- POWER BUDGET --------- INPUT POWER = 4.6029E-03 Watts RADIATED POWER= 4.6029E-03 Watts STRUCTURE LOSS= 0.0000E+00 Watts NETWORK LOSS = 0.0000E+00 Watts EFFICIENCY = 100.00 Percent***** DATA CARD N0. 3 LD 0 0 4 4 1.00000E+01 3.00000E-09 5.30000E-11 0.00000E+00 0.00000E+00 0.00000E+00***** DATA CARD N0. 4 PQ 0 0 0 0 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00***** DATA CARD N0. 5 NE 0 1 1 15 1.00000E-03 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 1.78600E-02 ------ STRUCTURE IMPEDANCE LOADING ------ LOCATION RESISTANCE INDUCTANCE CAPACITANCE IMPEDANCE (OHMS) CONDUCTIVITY CIRCUIT ITAG FROM THRU OHMS HENRYS FARADS REAL IMAGINARY MHOS/METER TYPE 4 4 1.0000E+01 3.0000E-09 5.3000E-11 SERIES -------- ANTENNA ENVIRONMENT -------- FREE SPACE ---------- MATRIX TIMING ---------- FILL= 0 msec FACTOR: 0 msec --------- ANTENNA INPUT PARAMETERS --------- TAG SEG VOLTAGE (VOLTS) CURRENT (AMPS) IMPEDANCE (OHMS) ADMITTANCE (MHOS) POWER NO. NO. REAL IMAGINARY REAL IMAGINARY REAL IMAGINARY REAL IMAGINARY (WATTS) 0 4 1.0000E+00 0.0000E+00 8.9547E-03 -4.0515E-03 9.2698E+01 4.1941E+01 8.9547E-03 -4.0515E-03 4.4773E-03 -------- CURRENTS AND LOCATION -------- DISTANCES IN WAVELENGTHS SEG TAG COORDINATES OF SEGM CENTER SEGM ------------- CURRENT (AMPS) ------------- No: No: X Y Z LENGTH REAL IMAGINARY MAGN PHASE 1 0 0.0000 0.0000 -0.2143 0.07143 2.3241E-03 -1.3790E-03 2.7024E-03 -30.682 2 0 0.0000 0.0000 -0.1429 0.07143 5.8908E-03 -3.2779E-03 6.7413E-03 -29.093 3 0 0.0000 0.0000 -0.0714 0.07143 8.1824E-03 -4.1467E-03 9.1731E-03 -26.875 4 0 0.0000 0.0000 -0.0000 0.07143 8.9547E-03 -4.0515E-03 9.8285E-03 -24.344 5 0 0.0000 0.0000 0.0714 0.07143 8.1824E-03 -4.1467E-03 9.1731E-03 -26.875 6 0 0.0000 0.0000 0.1429 0.07143 5.8908E-03 -3.2779E-03 6.7413E-03 -29.093 7 0 0.0000 0.0000 0.2143 0.07143 2.3241E-03 -1.3790E-03 2.7024E-03 -30.682 ------ CHARGE DENSITIES ------ DISTANCES IN WAVELENGTHS SEG TAG COORDINATES OF SEG CENTER SEG CHARGE DENSITY (COULOMBS/METER) NO: NO: X Y Z LENGTH REAL IMAGINARY MAGN PHASE 1 0 0.0000 0.0000 -0.2143 0.07143 1.8292E-11 3.1761E-11 3.6652E-11 60.061 2 0 0.0000 0.0000 -0.1429 0.07143 1.0429E-11 2.2040E-11 2.4383E-11 64.676 3 0 0.0000 0.0000 -0.0714 0.07143 2.1140E-12 1.1638E-11 1.1829E-11 79.705 4 0 0.0000 0.0000 -0.0000 0.07143 5.1684E-19 2.3814E-19 5.6906E-19 24.738 5 0 0.0000 0.0000 0.0714 0.07143 -2.1140E-12 -1.1638E-11 1.1829E-11 -100.295 6 0 0.0000 0.0000 0.1429 0.07143 -1.0429E-11 -2.2040E-11 2.4383E-11 -115.324 7 0 0.0000 0.0000 0.2143 0.07143 -1.8292E-11 -3.1761E-11 3.6652E-11 -119.939 ---------- POWER BUDGET --------- INPUT POWER = 4.4773E-03 Watts RADIATED POWER= 3.9943E-03 Watts STRUCTURE LOSS= 4.8300E-04 Watts NETWORK LOSS = 0.0000E+00 Watts EFFICIENCY = 89.21 Percent -------- NEAR ELECTRIC FIELDS -------- ------- LOCATION ------- ------- EX ------ ------- EY ------ ------- EZ ------ X Y Z MAGNITUDE PHASE MAGNITUDE PHASE MAGNITUDE PHASE METERS METERS METERS VOLTS/M DEGREES VOLTS/M DEGREES VOLTS/M DEGREES 0.0010 0.0000 0.0000 1.0228E-05 24.74 0.0000E+00 0.00 1.3042E+01 -175.10 0.0010 0.0000 0.0179 5.5442E+01 -66.31 0.0000E+00 0.00 1.2537E+01 -175.08 0.0010 0.0000 0.0357 1.0968E+02 -67.15 0.0000E+00 0.00 6.7271E+00 -175.46 0.0010 0.0000 0.0536 1.5608E+02 -88.85 0.0000E+00 0.00 8.4339E-01 -179.75 0.0010 0.0000 0.0714 2.1267E+02 -100.30 0.0000E+00 0.00 4.2135E-04 -6.13 0.0010 0.0000 0.0893 2.7147E+02 -106.86 0.0000E+00 0.00 3.4497E-01 -8.87 0.0010 0.0000 0.1072 3.2920E+02 -111.08 0.0000E+00 0.00 2.8000E-01 22.83 0.0010 0.0000 0.1250 3.8592E+02 -113.51 0.0000E+00 0.00 2.2076E-01 74.41 0.0010 0.0000 0.1429 4.3835E+02 -115.33 0.0000E+00 0.00 3.0905E-04 -94.14 0.0010 0.0000 0.1607 4.8563E+02 -116.77 0.0000E+00 0.00 2.1937E-01 -106.41 0.0010 0.0000 0.1786 5.2800E+02 -117.97 0.0000E+00 0.00 1.9750E+00 57.57 0.0010 0.0000 0.1965 5.9664E+02 -119.06 0.0000E+00 0.00 3.3113E+00 58.63 0.0010 0.0000 0.2143 6.5880E+02 -119.94 0.0000E+00 0.00 9.9556E-03 -121.24 0.0010 0.0000 0.2322 7.1246E+02 -120.67 0.0000E+00 0.00 1.0680E+01 -121.66 0.0010 0.0000 0.2500 5.5195E+02 -121.29 0.0000E+00 0.00 3.8032E+02 -121.43***** DATA CARD N0. 6 EN 0 0 0 0 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 TOTAL RUN TIME: 0 msec⌨️ 快捷键说明
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