IEEE C63.4A-2017
9 kHz 至 40 GHz 范围内低压电气和电子设备无线电噪声发射测量方法的美国国家标准修正案 1:测试场地验证
American National Standard for Methods of Measurement of Radio- Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz Amendment 1: Test Site Validation