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    • 4. 发明专利
    • System for estimating acoustic source location
    • 用于估计声源位置的系统
    • JP2008224259A
    • 2008-09-25
    • JP2007059382
    • 2007-03-09
    • Chubu Electric Power Co IncKumagai Gumi Co LtdTakahiro Yamashita中部電力株式会社恭弘 山下株式会社熊谷組
    • SUGIYAMA TAKESHISUGIMOTO YASUOWADA HIROYUKIOWAKI MASANAOZAIMA TAKESHIYAMASHITA TAKAHIRO
    • G01S3/808H04N5/225H04R1/40H04R3/00
    • PROBLEM TO BE SOLVED: To provide a system for estimating acoustic source location capable of accurately estimating the locations of acoustic sources, even when an acoustic source moves and when an acoustic source makes apparent moves due to wind, and the like.
      SOLUTION: Sound pressure signals are inputted to two pairs of microphones, arranged in a plane and a microphone M5 arranged at the location of a vertex of quadrangular pyramid having a square formed by the pairs of microphones as a bottom surface and converted from analog to digital form. Then a sound pressure signal extraction means 14 extracts sound pressure signals of an amount of an preset elapsed period as one data unit and transmits them to an acoustic source direction estimating means 15. On the basis of the difference D among arrival times of sound pressure signals inputted to the microphones M1-M5, a horizontal angle θ and an angle of elevation ϕ, formed by a point of measurement and the location of an acoustic source, are estimated; and images in the vicinity of the location of the acoustic source is continuously photographed by a CCD camera 11 and acquire an image in which an acoustic source estimated area, indicating the estimated location of the acoustic source, is displayed on the photographed images and this is displayed on a display.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于估计能够准确地估计声源的位置的声源位置的系统,即使当声源移动时,以及当声源由于风引起明显的移动时,等等。 解决方案:声压信号被输入到布置在平面中的两对麦克风,并且布置在四边形金字塔的顶点的位置处的麦克风M5具有由两对麦克风形成的正方形作为底面,并从 模拟数字形式。 然后,声压信号提取装置14将预设经过时间的量的声压信号提取为一个数据单元,并将它们发送到声源方向估计装置15.基于声压信号的到达时间之差D 输入到麦克风M1-M5,由测量点和声源的位置形成的水平角度θ和仰角φ; 并且通过CCD照相机11连续地拍摄声源的位​​置附近的图像,并且获取其中在拍摄的图像上显示表示声源的估计位置的声源估计区域的图像,并且这是 显示在显示屏上。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Method and system for searching for sound source and vibration source
    • 用于搜索声源和振动源的方法和系统
    • JP2010236944A
    • 2010-10-21
    • JP2009083429
    • 2009-03-30
    • Chubu Electric Power Co IncKumagai Gumi Co LtdTakahiro Yamashita中部電力株式会社恭弘 山下株式会社熊谷組
    • SUGIMOTO YASUOWADA HIROYUKIOWAKI MASANAOZAIMA TAKESHIYAMASHITA TAKAHIRO
    • G01H17/00G01S3/808G01S5/22H04R1/40H04R3/00
    • PROBLEM TO BE SOLVED: To provide a method and a system the same which enable discrimination as to whether an observed sound is generated by an observed vibration source at the time, when sounds and vibrations are observed simultaneously.
      SOLUTION: Using a sound pressure level-measuring means 11 equipped with microphones M1-M5 and a vibration level measuring means 12, equipped with vibration sensors G1-G4, the sound propagated from a sound source and the vibration of a surface wave propagated from the vibration source are measured, simultaneously, and a horizontal angle θ of the direction of the sound source obtained from data on a sound pressure level of the sound is compared with the direction of a horizontal angle θ' of the direction of the vibration source obtained from data on a vibration level of the vibration. Hence, it is made possible to exactly determine whether the observed sound is that from the vibration source accompanied by generation of the sound or that from the sound source which is not accompanied by the vibration, and whether the vibration source is that not accompanied by the sound.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种方法和系统,其能够区分当时观察到的振动源是否产生观察到的声音,同时观察到声音和振动。 解决方案:使用配备有麦克风M1-M5的声压级测量装置11和配备有振动传感器G1-G4的振动水平测量装置12,从声源传播的声音和表面波的振动 同时测量从振动源传播的声音的声源方向上的声源方向的水平角θ与声音方向的水平角度θ'的方向相比较, 源自振动振动水平的数据。 因此,可以准确地确定观察到的声音是否伴随着伴随着振动的声音产生的振动源,或者来自不伴随振动的声源的声音,以及振动源是否不伴随着振动源 声音。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Sound reproduction device and simulation method of noise countermeasure using the same
    • 声音重现装置及其噪声对数测量方法
    • JP2009258342A
    • 2009-11-05
    • JP2008106521
    • 2008-04-16
    • Chubu Electric Power Co IncKumagai Gumi Co LtdTakahiro Yamashita中部電力株式会社恭弘 山下株式会社熊谷組
    • SUGIYAMA TAKESHIWADA HIROYUKIOWAKI MASANAOZAIMA TAKESHIYAMASHITA TAKAHIRO
    • G10K15/00
    • PROBLEM TO BE SOLVED: To provide a sound reproduction device capable of reproducing sound transmitted from a plurality of directions, which is observed at an observation point, and generating prediction sound, when a countermeasure such as a noise countermeasure is taken, and a method for accurately simulating an effect such as a sound shield effect of a soundproof wall by using the sound reproduction device.
      SOLUTION: On the basis of sound source data of a plurality of sound sources which are measured at the observation point, the sounds corresponding to the plurality of sound sources are output from first to fourth speakers S1 to S4, which are arranged in an upper center region F1 of a front face 11F of an anechoic chamber 11, a lower center region F2, a left region F3 and a right region F4, and the sound observed at the observation point is reproduced. This is collected by a microphone M, and the prediction sound which is the sound when output of the speaker for outputting sound from the sound source in which the noise countermeasure is to be taken is changed, is collected by the microphone M. By comparing the reproduction sound with the prediction sound, the effect of noise countermeasure for the sound source in which the noise countermeasure is to be taken, is estimated.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够再现在观察点观察到的从多个方向发送的声音并产生预测声音的声音再现装置,当采取诸如噪声对策的对策时,以及 通过使用声音再现装置来准确地模拟诸如隔音墙的屏蔽效果的效果的方法。 解决方案:基于在观察点测量的多个声源的声源数据,从多个声源对应的声音从第一至第四扬声器S1至S4输出,其布置在 电波暗室11的正面11F的上部中心区域F1,下部中心区域F2,左侧区域F3,右侧区域F4,再现观察点观察到的声音。 麦克风M收集由麦克风M收集的声音,并且当从麦克风M被采取噪声对策的声源输出声音的扬声器的输出时作为声音的预测声音被麦克风M收集。通过比较 估计具有预测声音的再现声音,将采用噪声对策的声源的噪声对策的效果。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Method for diagnosing earthquake risk
    • 用于诊断地震风险的方法
    • JP2008158624A
    • 2008-07-10
    • JP2006344126
    • 2006-12-21
    • Chubu Electric Power Co Inc中部電力株式会社
    • SUGIMOTO YASUOWADA HIROYUKI
    • G06F19/00G06Q50/00G06Q50/26
    • PROBLEM TO BE SOLVED: To provide a method for diagnosing earthquake risks that is readily applicable to various probabilities of an event. SOLUTION: An installation or the like is divided into a basic event, an intermediate event, and a top event. The basic event, the intermediate event, and the top event are constructed by either OR or AND operation. A probability of damage is given to the basic event, and each of the events is determined to be either T (damage) or F(nondamage) by Monte Carlo method. The probability of damage to the top event is calculated as a value obtained by dividing the number of samples where the top event is determined as "F" by the total number (Nm) of samples. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种易于应用于事件的各种概率的用于诊断地震风险的方法。

      解决方案:安装等被分为基本事件,中间事件和顶部事件。 基本事件,中间事件和顶部事件由OR或AND操作构造。 对基本事件给予损害的可能性,并且通过蒙特卡洛方法将每个事件确定为T(损伤)或F(无损)。 将顶部事件损坏的可能性计算为通过将顶部事件确定为“F”的样本数除以样本的总数(Nm)而获得的值。 版权所有(C)2008,JPO&INPIT