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    • 4. 发明申请
    • Signal measuring device
    • 信号测量装置
    • US20070132761A1
    • 2007-06-14
    • US10556352
    • 2004-05-12
    • Yoshihide MaruyamaHiroshi NagasawaTsutomu KumazawaHiroaki Takaoku
    • Yoshihide MaruyamaHiroshi NagasawaTsutomu KumazawaHiroaki Takaoku
    • G09G5/22
    • G01R23/16
    • It is possible to easily set the operation of a spectrum analyzer. The spectrum analyzer receives a signal to be measured. The spectrum analyzer includes a display device (28) having a display screen for displaying the signal to be measured with a vertical axis representing a measurement value (power) of the signal to be measured and a horizontal axis representing frequency. Furthermore, a touch panel is provided on the display screen of the display device (28). When a user of the spectrum analyzer touches a point 32a (f0, P0) on the display screen, peak search is performed to detect a maximal value of the measurement value of the signal to be measured in a range of the vicinity of the touched point (frequency f1 to f2, power P1 to P2) (wherein f1=f0−Δf, f2=f0+Δf, P1=P0−ΔP, P2=P0+ΔP). Thus, it is possible to easily set the range for performing the peak search.
    • 可以容易地设置频谱分析仪的操作。 频谱分析仪接收待测信号。 频谱分析仪包括具有显示屏的显示装置(28),显示屏用于表示待测信号的测量值(功率)的垂直轴和表示频率的水平轴显示待测信号。 此外,在显示装置(28)的显示屏上设置触摸面板。 当频谱分析仪的用户在显示屏幕上触摸点32a(f0,P0)时,进行峰值搜索,以在附近的范围内检测待测信号的测量值的最大值 触摸点(频率f 1至f 2,功率P 1至P 2)(其中f 1 = f 0 -Deltaf,f 2 = f 0 + Deltaf,P 1 = P 0 -DeltaP,P 2 = P 0 + DeltaP)。 因此,可以容易地设定用于执行峰值搜索的范围。