公开(公告)号：US3916319A

公开(公告)日：1975-10-28

申请号：US48099174

申请日：1974-06-19

申请人： HEWLETT PACKARD CO

发明人： HAWLEY JR IRVING HURD ,  LINKWITZ SIEGFRIED HELMUT ,  MARZALEK MICHAEL STANLEY ,  HALE WILLIAM LIVINGSTON

IPC分类号： G01R13/24 ,  G01R23/173 ,  G01R23/18 ,  G01R27/02

CPC分类号： G01R23/18

摘要： A spectrum analyzer is provided with a horizontal sweep generator that causes the analyzer to sweep at a fast rate when no signal is being detected. When a signal is detected the sweep generator stops sweeping, backs up and tunes the spectrum analyzer slowly through the detected signal to produce a calibrated display. After the signal has been detected and the analyzer has been tuned beyond it, the sweep rate is again increased until another signal is encountered.

摘要翻译： 频谱分析仪配有水平扫描发生器，当没有信号被检测时，分析仪以快速扫描。 当检测到信号时，扫描发生器停止扫描，备份并通过检测到的信号缓慢调谐频谱分析仪，以产生校准显示。 在检测到信号并且分析仪已被调谐超过它之后，扫描速率再次增加，直到遇到另一个信号。