發射功率＊根據天線增益計算功率密度與電場強度
作者: kegasa執行次數: 1839
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天線增益、發射功率、距離（以 E、H、B 為單位）
P = P_kW*1000;
d = d_km*1000;
Ga = 10^(GaindB/10);
S = P*Ga/(4*π*d^2);
Z = 120*π;
E_pm = sqrt(Z*S);
H = E_pm/Z;
μ0 = 4*π*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);
偶極天線絕對增益 = 1.640922377
偶極天線增益 = 2.150880375 dBi
天線增益 Ga = 10*log(1.640922377)
d = d_km*1000;
Ga = 10^(GaindB/10);
S = P*Ga/(4*π*d^2);
Z = 120*π;
E_pm = sqrt(Z*S);
H = E_pm/Z;
μ0 = 4*π*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);
偶極天線絕對增益 = 1.640922377
偶極天線增益 = 2.150880375 dBi
天線增益 Ga = 10*log(1.640922377)
| S | W/m² |
| E | V/m |
| E_mV | mV/m |
| E_dBμV | dBμV |
| H | A/m |
| B | T |
| 天線增益 Ga[dBi] | dBi |
| 天線絕對增益 |
目前還沒有關於此計算的用戶評價。