METHOD AND DEVICE FOR MEASURING THE POLLUTANTS IN EXHAUST GASES OF INTERNAL COMBUSTION ENGINES
    2.
    发明申请
    METHOD AND DEVICE FOR MEASURING THE POLLUTANTS IN EXHAUST GASES OF INTERNAL COMBUSTION ENGINES 有权
    用于测量内燃机排气的污染物的方法和装置

    公开(公告)号:US20090139306A1

    公开(公告)日:2009-06-04

    申请号:US12302169

    申请日:2007-05-23

    IPC分类号: G01N33/00 G01N1/22

    摘要: A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point 10 at the exhaust gas pipe 1 and is guided to at least one measuring instrument by means of a removal line, wherein, for the purpose of measuring the oxygen-containing nitrogen components, there are provided a separate removal point 10 and a removal line 11 and that the exhaust gas sample for measuring the oxygen-containing nitrogen components is set to a temperature at which a reaction between the nitrogen dioxide and soot is low.

    摘要翻译: 一种测量包含内燃机排气中的二氧化氮的含氧氮组分的方法,其中废气样品从废气管1处的去除点10取出,并被引导至至少一个测量仪器,借助于 除去管线,其中为了测量含氧氮成分的目的,提供了一个单独的去除点10和去除管线11,并且用于测量含氧氮成分的废气样品被设定为温度 二氧化氮和烟灰之间的反应低。

    Method and device for measuring the pollutants in exhaust gases of internal combustion engines
    3.
    发明授权
    Method and device for measuring the pollutants in exhaust gases of internal combustion engines 有权
    用于测量内燃机废气污染物的方法和装置

    公开(公告)号:US08205481B2

    公开(公告)日:2012-06-26

    申请号:US12302169

    申请日:2007-05-23

    IPC分类号: G01N33/00 G01N1/22 G01N1/26

    摘要: A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point 10 at the exhaust gas pipe 1 and is guided to at least one measuring instrument by means of a removal line, wherein, for the purpose of measuring the oxygen-containing nitrogen components, there are provided a separate removal point 10 and a removal line 11 and that the exhaust gas sample for measuring the oxygen-containing nitrogen components is set to a temperature at which a reaction between the nitrogen dioxide and soot is low.

    摘要翻译: 一种测量包含内燃机排气中的二氧化氮的含氧氮组分的方法,其中废气样品从废气管1处的去除点10取出,并被引导至至少一个测量仪器,借助于 除去管线,其中为了测量含氧氮成分的目的,提供了一个单独的去除点10和去除管线11,并且用于测量含氧氮成分的废气样品被设定为温度 二氧化氮和烟灰之间的反应低。

    Method and apparatus for synthetic widening of the bandwidth of voice signals
    4.
    发明授权
    Method and apparatus for synthetic widening of the bandwidth of voice signals 有权
    用于合成加宽语音信号带宽的方法和装置

    公开(公告)号:US07181402B2

    公开(公告)日:2007-02-20

    申请号:US10111522

    申请日:2001-08-07

    IPC分类号: G10L19/00 G10L21/00 G10L19/12

    CPC分类号: G10L21/038 G10L21/0264

    摘要: The invention provides a method and an apparatus for synthetic widening of the bandwidth of voice signals. This is done by providing a narrowband voice signal at a predetermined sampling rate; carrying out analysis filtering on the sampled voice signal using filter coefficients, which are estimated from the sampled voice signal, for envelope widening; carrying out residual signal widening on the analysis-filtered voice signal; and carrying out synthesis filtering on the residual-signal-widened voice signal in order to produce a broader band voice signal. The analysis filtering is carried out using identical filter coefficients to those used for the synthesis filtering.

    摘要翻译: 本发明提供了一种用于合成加宽语音信号带宽的方法和装置。 这是通过以预定的采样速率提供窄带语音信号来实现的; 使用从采样语音信号估计的滤波器系数对采样语音信号进行包络扩展的分析滤波; 对分析过滤的语音信号进行残差信号加宽; 并对剩余信号加宽的语音信号进行合成滤波,以便产生更宽带的语音信号。 使用与用于合成滤波的那些相同的滤波器系数来进行分析滤波。