中短波广播信号场强测量及空中管理 中短波广播是指频率为500KHz～30MHz范围内的音频调幅（AM）广播-medium-short wave radio signal field strength measurement and management of air MW and SW radio frequency refers to 500KHz ~ 30M Hz within the scope of audio amplitude modulation (AM) radio

Modulation of signal like amplitude modulation

Amplitude modulation and its demodulation to get back the original signal in simulink

Amplitude modulation and demodulation study