送信電力＊アンテナ利得から電力密度と電界強度を求める
作者: kegasa さん実行数: 1839
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Antenna Gain Tx power distance to E, H, B
P = P_kW*1000;
d = d_km*1000;
Ga = 10^(GaindB/10);
S = P*Ga/(4*pi*d^2);
Z = 120*pi;
E_pm = sqrt(Z*S);
H = E_pm/Z;
μ0 = 4*pi*10^(-7);
B = μ0*H;
print(S);
E_mV = E_pm*1000;
E_dBμV = 20*log(E_pm*10^6);
print(E_pm);
print(E_mV);
print(E_dBμV);
print(H);
print(B);
print(GaindB);
print(Ga);
Dipole antenna absolute gain = 1.640922377
Dipole antenna gain = 2.150880375 dBi
Antenna gain Ga = 10*log(1.640922377)
d = d_km*1000;
Ga = 10^(GaindB/10);
S = P*Ga/(4*pi*d^2);
Z = 120*pi;
E_pm = sqrt(Z*S);
H = E_pm/Z;
μ0 = 4*pi*10^(-7);
B = μ0*H;
print(S);
E_mV = E_pm*1000;
E_dBμV = 20*log(E_pm*10^6);
print(E_pm);
print(E_mV);
print(E_dBμV);
print(H);
print(B);
print(GaindB);
print(Ga);
Dipole antenna absolute gain = 1.640922377
Dipole antenna gain = 2.150880375 dBi
Antenna gain Ga = 10*log(1.640922377)
| S | W/m^2 |
| E | V/m |
| E_mV | mV/m |
| E_dBμV | dBμV |
| H | A/m |
| B | T |
| Antenna gain Ga[dBi] | dBi |
| Antenna absolute gain |
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