音频视频设备
Audio、video electronic apparatus
车载音视频设备
audio video apparatus on board
audio video-apparatus on board
视频扫描调制
VSM Video Sweep Modulation
video sweep modulation
视频扫描信号发生器
video frequency sweep generator
网络视频设备产品
networks video equipment product
遥测视频频谱
TVS Telemetry Video Spectrum
音视频设备同步
sound and video equipments synchronism
扫频测试
sweep test
frequency sweep measurement
扫频测试法
scan frequency testing method
扫频测试仪
sweep-frequency measuring setup