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    • 1. 发明专利
    • Waveform observing apparatus and system
    • 波形观察装置和系统
    • JP2010038685A
    • 2010-02-18
    • JP2008200852
    • 2008-08-04
    • Keyence Corp株式会社キーエンス
    • GOTO MASAKIOKAWA YOHEI
    • G01R13/20G01D9/00
    • G06F3/04883G01R13/0245G01R13/029
    • PROBLEM TO BE SOLVED: To solve the problem that a displacement of a handwritten comment occurs along with enlargement/reduction operations in display.
      SOLUTION: If a current compression ratio differs from a compression ratio of writing the handwritten comment to such a degree as to cause a non-allowable displacement to occur, when NO, that is to say, the handwritten comment 50 is displayed in a step S74, the process proceeds to a step S75, and a simple indication 56 indicating the presence of the handwritten comment is displayed in a position associated with a portion of a waveform corresponding to a measured data number.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了解决手写注释的位移与显示中的放大/缩小操作一起出现的问题。 解决方案:如果当前的压缩比与写入手写注释的压缩比不同,导致发生不可允许位移的程度,则当NO,即手写注释50被显示在 步骤S74,处理进行到步骤S75,并且指示存在手写注释的简单指示56显示在与测量数据号对应的波形的一部分相关联的位置。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Mixed-domain oscilloscope, and measurement method and system with mixed-domain oscilloscope
    • 混合域振荡器,以及具有混合域振荡器的测量方法和系统
    • JP2014145757A
    • 2014-08-14
    • JP2013220134
    • 2013-10-23
    • Tektronix Incテクトロニクス・インコーポレイテッドTektronix,Inc.
    • DALEBROUX DONALD J
    • G01R13/20G01R23/173
    • G01R13/0245G01R13/0236G01R13/0272G01R27/04G01R27/28G01R31/2837
    • PROBLEM TO BE SOLVED: To generate a chirp signal, supply it to a DUT, and measure a return signal from the DUT using an MDO.SOLUTION: An MDO 105 includes: a signal generator 160 configured to generate a test signal having a span ranging from a user-configurable start frequency to a user configurable stop frequency; an output channel 115 configured to transmit the test signal; an RF input channel 120 configured to receive a return signal based on the test signal; an acquisition section configured to acquire and digitize the return signal as an acquisition record; and a ramp busy signal generator configured to substantially time-align the acquisition record with the test signal. The test signal may be a chirp signal that is a linearly swept sine wave that spans between the user-configurable start frequency and the user-configurable stop frequency.
    • 要解决的问题:产生啁啾信号,将其提供给DUT,并使用MDO测量来自DUT的返回信号。解决方案:MDO 105包括:信号发生器160,其被配置为产生具有跨度范围的测试信号 从用户可配置的起始频率到用户可配置的停止频率; 被配置为发送测试信号的输出通道115; RF输入通道120,被配置为基于测试信号接收返回信号; 获取部,被配置为获取并将所述返回信号数字化为获取记录; 以及斜坡忙信号发生器,其被配置为基本上使采集记录与测试信号对准。 测试信号可以是线性调频脉冲信号,其是在用户可配置起始频率和用户可配置停止频率之间跨越的线性扫描正弦波。