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    • 3. 发明申请
    • BUBBLE SIZE DETERMINATION BASED ON BUBBLE STIFFNESS
    • 基于泡沫强度的泡沫尺寸测定
    • WO2013188620A2
    • 2013-12-19
    • PCT/US2013/045568
    • 2013-06-13
    • CIDRA CORPORATE SERVICES INC.DAVIS, Michael A.
    • DAVIS, Michael A.
    • G01N3/40
    • G01N33/383G01N29/024G01N2291/02433G01N2291/0251
    • Apparatus is provided comprising a signal processing module configured with at least one processor and at least one memory including computer program code, the at least one memory and computer program code configured, with the at least one processor, to cause the apparatus at least to: receive signaling containing information about a stiffness of a concrete mixture; and determine an average bubble size of gas contained in the concrete mixture, based at least partly on the signaling received. The signal processing module may be configured to provide corresponding signaling containing information about the average bubble size of gas contained in the concrete mixture. The signal processing module may be configured to determine the pressure inside air bubbles and determine an average air bubble size of the gas contained in the concrete mixture, based at least partly on the pressure determined inside the air bubbles.
    • 提供了包括信号处理模块的装置,该信号处理模块配置有至少一个处理器和包括计算机程序代码的至少一个存储器,所述至少一个存储器和计算机程序代码与所述至少一个处理器一起配置,以使所述装置至少: 接收包含混凝土混合物硬度信息的信号; 并且至少部分地基于收到的信号来确定混凝土混合物中所含气体的平均气泡尺寸。 信号处理模块可以被配置为提供包含关于混合物混合物中包含的气体的平均气泡尺寸的信息的相应信号。 信号处理模块可以被配置为至少部分地基于在气泡内确定的压力来确定气泡内的压力并确定包含在混凝土混合物中的气体的平均气泡尺寸。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR USING CEPSTRUM AND WAVELET BASED ALGORITHMS FOR WALL THICKNESS MEASUREMENT
    • 使用基于CEPSTRUM和WAVELET的算法进行厚度测量的方法和装置
    • WO2011112715A1
    • 2011-09-15
    • PCT/US2011/027749
    • 2011-03-09
    • CIDRA CORPORATE SERVICES INC.DAVIS, Michael A.FOSS, Mark A.
    • DAVIS, Michael A.FOSS, Mark A.
    • G01B17/00
    • G01B17/02
    • New techniques are provided for measuring the thickness of a pipe wall using ultrasonic reflections. The apparatus includes a signal processor that receives a signal containing information about ultrasonic pulses injected into a pipe wall; and determines a pipe wall thickness measurement based at least partly on decomposing the signal received in order to identify either peaks using a cepstrum analysis or repeated spacing using a wavelet analysis. The wavelet analysis includes dividing data in the signal received into a specific frequency component and a defined temporal component in order to detect correct pulses where multiple reflections are caused by irregularities in the pipe wall surface being measured. The cepstrum analysis includes processing repeating pulses in the signal in order to detect correct pulses where multiple reflections are caused by irregularities in the pipe wall surface being measured.
    • 提供了用于使用超声波反射来测量管壁的厚度的新技术。 该装置包括信号处理器,其接收包含注入到管壁中的关于超声脉冲的信息的信号; 并且至少部分地基于分解所接收的信号来确定管壁厚度测量,以便使用倒谱分析或使用小波分析重复间隔来识别峰。 小波分析包括将接收到的信号中的数据划分成特定频率分量和定义的时间分量,以便检测正在测量的管壁表面中的不规则性导致多次反射的正确脉冲。 倒谱分析包括处理信号中的重复脉冲,以便检测正在测量的管壁表面中由不规则性引起多次反射的脉冲。
    • 8. 发明申请
    • ACOUSTIC PROBING TECHNIQUE FOR THE DETERMINATION OF INTERIOR PIPE COATING WEAR OR SCALE BUILD-UP AND LINER WEAR
    • 用于确定内部管道涂层磨损或分级建筑和内衬磨损的声学探测技术
    • WO2013059458A1
    • 2013-04-25
    • PCT/US2012/060811
    • 2012-10-18
    • CIDRA CORPORATE SERVICES INC.DAVIS, Michael A.KERSEY, Alan D.VIEGA, John
    • DAVIS, Michael A.KERSEY, Alan D.VIEGA, John
    • G01M3/24
    • G01B17/025G01N29/04G01N29/11G01N29/348G01N29/44G01N29/4454G01N29/46G01N2291/015G01N2291/0237G01N2291/0258G01N2291/0289G01N2291/042
    • Apparatus is provided comprising a signal processor that receives signaling containing information about an acoustic signal swept and sensed over a frequency range in relation to a pipe; and determines information about the structure of the pipe based at least partly on two or more sub-frequency ranges that form part of the frequency range in the signaling received. The signal processor also receives the acoustic signal being transmitted to the pipe and corresponding signaling in the two or more sub-frequency ranges containing information about reflections of the acoustic signal back from the pipe; and determines information about the structure of the pipe based at least partly on a coherent mixing of the acoustic signal and the corresponding signaling in the two or more sub-frequency ranges using a coherent acoustic tomography technique. Alternatively, the signal processor also receives associated signaling in the two or more sub-frequency ranges containing information about associated resonance in a liner of a wall of the pipe and determines information about the liner of the wall of the pipe, based at least partly on the two or more sub-frequency ranges.
    • 提供了包括信号处理器的信号处理器,该信号处理器接收信号,该信令包含关于相对于管道在频率范围内扫描和感测的声信号; 并且至少部分地基于形成所接收的信令中的频率范围的一部分的两个或更多个子频率范围来确定关于管道的结构的信息。 信号处理器还接收正在发送到管道的声信号和在两个或多个子频率范围内的对应的信令,其中包含关于来自管道的声信号的反射的信息; 并且至少部分地基于使用相干声层析成像技术在两个或多个子频率范围内的声信号和相应的信令的相干混合来确定关于管道的结构的信息。 或者,信号处理器还在两个或更多个子频率范围内接收相关信号,该子频率范围包含关于管道壁的衬管中的相关共振的信息,并且至少部分地基于管道的壁的衬垫确定关于管的壁的信息 两个或多个子频率范围。