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    • 2. 发明申请
    • ACOUSTIC CORRECTION APPARATUS AND ACOUSTIC CORRECTION METHOD
    • 声学校正装置和声学校正方法
    • US20100329481A1
    • 2010-12-30
    • US12775973
    • 2010-05-07
    • Takashi FUKUDAToshifumi YAMAMOTONorikatsu CHIBAYasuhiro KANISHIMAKazuyuki SAITO
    • Takashi FUKUDAToshifumi YAMAMOTONorikatsu CHIBAYasuhiro KANISHIMAKazuyuki SAITO
    • H04B15/00
    • H04R1/1083H04R1/1075H04R3/04
    • According to one embodiment, an acoustic correction apparatus includes: a signal obtaining module configured to obtain an acoustic signal from a target space including an object and an external space; a signal output module configured to output to the target space a measurement signal; a coefficient identifying module configured to identify, on the basis of a response acoustic signal, a correction coefficient of a correction filter that reduces a resonance frequency component of a resonance in the object; a filtering module configured to use the correction filter, and filter the signal provided to the object; a noise cancelling module configured to remove, on the basis of the acoustic signal, a noise component comprised in the acoustic signal from the filtered signal; and an output module configured to output the acoustic signal, from which the noise component is removed by the noise cancelling module, to the object.
    • 根据一个实施例,声学校正装置包括:信号获取模块,被配置为从包括对象和外部空间的目标空间获得声信号; 信号输出模块,被配置为向所述目标空间输出测量信号; 系数识别模块,被配置为基于响应声学信号识别减少所述对象中的共振的共振频率分量的校正滤波器的校正系数; 被配置为使用所述校正滤波器并对提供给所述对象的信号进行滤波的滤波模块; 噪声消除模块,被配置为基于所述声学信号从所述滤波信号中去除包括在所述声学信号中的噪声分量; 以及输出模块,被配置为将噪声分量被噪声消除模块从其去除的声信号输出到对象。
    • 5. 发明申请
    • SIGNAL PROCESSING APPARATUS, SOUND APPARATUS, AND SIGNAL PROCESSING METHOD
    • 信号处理设备,声音设备和信号处理方法
    • US20100274369A1
    • 2010-10-28
    • US12698736
    • 2010-02-02
    • Yasuhiro KANISHIMAToshifumi YAMAMOTONorikatsu CHIBAKazuyuki SAITOTakashi FUKUDA
    • Yasuhiro KANISHIMAToshifumi YAMAMOTONorikatsu CHIBAKazuyuki SAITOTakashi FUKUDA
    • G06F17/00
    • H04R1/1083
    • According to one embodiment, a signal processing apparatus, includes: an output module configured to output a sound source signal to an external environment; a receiver configured to receive a response signal responding to the sound source signal output by the output module; an extracting module configured to extract a noise component signal from the response signal received by the receiver using an inverse filtering process of a frequency characteristic, the frequency characteristic being set in advance by dividing a measurement response signal responding to a measurement sound source signal used to measure the external environment from the measurement source signal, the measurement source signal being one of the sound source signal output by the output module; and a removing module configured to remove the noise component signal from the sound source signal output by the output module after the extraction of the noise component signal.
    • 根据一个实施例,信号处理装置包括:输出模块,被配置为将声源信号输出到外部环境; 接收器,被配置为接收响应于由所述输出模块输出的声源信号的响应信号; 提取模块,被配置为使用频率特性的逆滤波处理从接收机接收到的响应信号中提取噪声分量信号,频率特性通过将响应于测量声源信号的测量响应信号除以用于 从测量源信号测量外部环境,测量源信号是输出模块输出的声源信号之一; 以及移除模块,被配置为在提取噪声分量信号之后从输出模块输出的声源信号中去除噪声分量信号。
    • 10. 发明申请
    • EXHAUST GAS PURIFYING APPARATUS
    • 排气净化装置
    • US20130039817A1
    • 2013-02-14
    • US13650815
    • 2012-10-12
    • Takashi FUKUDA
    • Takashi FUKUDA
    • B01D53/94
    • F01N13/02F01N3/035F01N3/2066F01N3/24F01N13/011F01N13/1805F01N13/1838F01N13/1855F01N2250/02Y02A50/2325Y02T10/24
    • An exhaust gas purifying apparatus has a first housing including a DOC converter and DPF, and a second housing including an SCR converter, the housings disposed in parallel on the outer side of a frame such that the exhaust upstream ends thereof are positioned on the outer side in the vehicle width direction. An outlet port of the first housing and an inlet port of the second housing are communicatively connected through a communication pipe. The first housing is dividable into a first casing accommodating the DOC converter and a second casing accommodating the DPF, the two casings separably fastened by bolts. The inlet port of the first casing housing is bent inwardly in the width direction and detachably fastened to an exhaust pipe, the distal end of which opens outwardly in the width direction, through bolts. The second casing and housing are fixed to the frame through two brackets.
    • 排气净化装置具有包括DOC转换器和DPF的第一壳体和包括SCR转换器的第二壳体,所述壳体平行设置在框架的外侧,使得其排气上游端部位于外侧 在车宽方向。 第一壳体的出口和第二壳体的入口通过连通管连通地连接。 第一壳体可分成容纳DOC转换器的第一壳体和容纳DPF的第二壳体,两个由螺栓可分离地固定的壳体。 第一壳体壳体的入口在宽度方向上向内弯曲并且可拆卸地紧固到排气管,排气管的远端通过螺栓在宽度方向上向外敞开。 第二壳体和壳体通过两个支架固定在框架上。