APSK、QAM、IQ signal 等の解説ビデオを見つけた [SDR]
Youtube で APSK、QAM、IQ signal 等の解説ビデオを見つけました。英語ですけど。
これは、 Rohde Schwarz の方の説明。
Understanding APSK and QAM
以下は、W2AEW OM の解説。
#167: How a Diode Ring Mixer works | Mixer operation theory and measurement
#170: Basics of IQ Signals and IQ modulation & demodulation - A tutorial
#171: IQ Signals Part II: AM and FM phasor diagrams, SSB phasing method
#174: Using a mixer to listen to HF, shortwave, ham, etc. on RTL-SDR dongle
#209: Basics of Phase Dots on Transformer Windings
#262: IQ Modulator Basics: Operation, measurements, impairments0
これは、 Rohde Schwarz の方の説明。
Understanding APSK and QAM
以下は、W2AEW OM の解説。
#167: How a Diode Ring Mixer works | Mixer operation theory and measurement
#170: Basics of IQ Signals and IQ modulation & demodulation - A tutorial
#171: IQ Signals Part II: AM and FM phasor diagrams, SSB phasing method
#174: Using a mixer to listen to HF, shortwave, ham, etc. on RTL-SDR dongle
#209: Basics of Phase Dots on Transformer Windings
#262: IQ Modulator Basics: Operation, measurements, impairments0
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