描述
通常把正弦交流电在任一瞬间所处的角度称为电角度,每变化一周的电角度为360°,也称为2π弧度(rad)。角频率是正弦交流电在秒钟内变化的弧度,用符号表示,单位为弧度/秒,用符号rad/s表示。因为交流电一周的弧度是2π,所以频率为f的交流电,在一秒内变化的弧度为2πf,角频率可表示为:ω=2πf
HP 8935 Agilent E6380A CDMA Spectrum Analyzer Opt 1D5
T E S T E D !!! P a s s e s Internal self tests
HP Agilent 8645A 1030MHz Agile Signal Generator
HP/ Agilent 83446B Lightwave Clock Data Reciever
HP 166AS Logic Analyzer / Oscilloscope 136 Channel
AGILENT hp 85062A ECAL ELECTRONIC CALIBRATION 26.5GHz
HP AGILENT 8981B IF VECTOR MODULATION ANALYZER 200 MHZ
HP AGILENT 83487A H46 OPTICAL ELECTRICAL PLUG-IN
HP/Agilent 16702A-03 Logic Analyzer System Mainframe wi
HP/Agilent E5394A Soft Touch Connectorless Probe-Single
HP/Agilent 35676B Transmission Test, 75 ohm Reflection/
HP/Agilent 37701B-01-03-V01 T1 Datacom Tester with opt.