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    • 3. 发明申请
    • MULTI-FREQUENCY, MULTI-BEAM ACOUSTIC DOPPLER SYSTEM
    • 多频多波束多普勒系统
    • US20110075518A1
    • 2011-03-31
    • US12890505
    • 2010-09-24
    • Craig HuhtaRamon CabreraZhivko GrozevAlexander KovachevJohn SloatDaryl B. Slocum
    • Craig HuhtaRamon CabreraZhivko GrozevAlexander KovachevJohn SloatDaryl B. Slocum
    • G01S15/58
    • G01S15/58G01S15/10G01S15/60G01S15/87
    • An acoustic Doppler system comprising a plurality of acoustic transceivers, an acoustic subsystem controller and a main processing unit operatively connected to the acoustic subsystem controller. A first of the plurality of acoustic transceivers operates at a first acoustic frequency and is operatively connected to a first group of transducers producing an acoustic signal. A second of the plurality of acoustic transceivers operates at a second acoustic frequency and is operatively connected to a second group of transducers producing an acoustic signal. The first and second acoustic transceivers are adapted to operate concurrently at the first and second acoustic frequencies. The acoustic subsystem controller is operatively connected to the first and second acoustic transceivers and controls the acoustic signals produced by the first and second group of transducers. The main processing unit is adapted to execute instructions to the first and second group of transducers to produce acoustic signals having at least two frequencies and is adapted to run at least two processing methods concurrently. The main processing unit analyzes data received by the first and second group of transducers, automatically adjusts the acoustic frequencies of the acoustic signals produced by the first and second group of transducers, and automatically selects a method of processing the data received by the first and second group of transducers.
    • 包括多个声收发器的声学多普勒系统,声学子系统控制器和可操作地连接到声学子系统控制器的主处理单元。 多个声收发器中的第一个以第一声频率工作,并且可操作地连接到产生声信号的第一组换能器。 多个声收发器中的第二声波收发器以第二声频率工作,并且可操作地连接到产生声信号的第二组换能器。 第一和第二声收发器适于在第一和第二声频频率下同时操作。 声学子系统控制器可操作地连接到第一和第二声收发器并且控制由第一组和第二组换能器产生的声信号。 主处理单元适于对第一和第二组换能器执行指令以产生具有至少两个频率的声信号,并且适于同时运行至少两种处理方法。 主处理单元分析由第一组和第二组换能器接收的数据,自动调节由第一组和第二组换能器产生的声信号的声频,并自动选择一种处理由第一和第二组转换器接收的数据的方法 传感器组。
    • 4. 发明授权
    • Multi-frequency, multi-beam acoustic doppler system with concurrent processing
    • 多频多声道多普勒同步处理系统
    • US08780672B2
    • 2014-07-15
    • US12890505
    • 2010-09-24
    • Craig HuhtaRamon CabreraZhivko GrozevAlexander KovachevJohn SloatDaryl B. Slocum
    • Craig HuhtaRamon CabreraZhivko GrozevAlexander KovachevJohn SloatDaryl B. Slocum
    • G01S15/00G01S15/58
    • G01S15/58G01S15/10G01S15/60G01S15/87
    • An acoustic Doppler system comprising a plurality of acoustic transceivers, an acoustic subsystem controller and a main processing unit operatively connected to the acoustic subsystem controller. A first of the plurality of acoustic transceivers operates at a first acoustic frequency and is operatively connected to a first group of transducers producing an acoustic signal. A second of the plurality of acoustic transceivers operates at a second acoustic frequency and is operatively connected to a second group of transducers producing an acoustic signal. The first and second acoustic transceivers are adapted to operate concurrently at the first and second acoustic frequencies. The acoustic subsystem controller is operatively connected to the first and second acoustic transceivers and controls the acoustic signals produced by the first and second group of transducers. The main processing unit is adapted to execute instructions to the first and second group of transducers to produce acoustic signals having at least two frequencies and is adapted to run at least two processing methods concurrently. The main processing unit analyzes data received by the first and second group of transducers, automatically adjusts the acoustic frequencies of the acoustic signals produced by the first and second group of transducers, and automatically selects a method of processing the data received by the first and second group of transducers.
    • 包括多个声收发器的声学多普勒系统,声学子系统控制器和可操作地连接到声学子系统控制器的主处理单元。 多个声收发器中的第一个以第一声频率工作,并且可操作地连接到产生声信号的第一组换能器。 多个声收发器中的第二声波收发器以第二声频率工作,并且可操作地连接到产生声信号的第二组换能器。 第一和第二声收发器适于在第一和第二声频频率下同时操作。 声学子系统控制器可操作地连接到第一和第二声收发器并且控制由第一组和第二组换能器产生的声信号。 主处理单元适于对第一和第二组换能器执行指令以产生具有至少两个频率的声信号,并且适于同时运行至少两种处理方法。 主处理单元分析由第一组和第二组换能器接收的数据,自动调节由第一组和第二组换能器产生的声信号的声频,并自动选择一种处理由第一和第二组转换器接收的数据的方法 传感器组。
    • 5. 发明授权
    • Multi-frequency, multi-beam acoustic doppler system
    • 多频多声道多普勒系统
    • US08411530B2
    • 2013-04-02
    • US12639989
    • 2009-12-16
    • Daryl B. SlocumRamon CabreraZhivko GrozevAlexander Kovachev
    • Daryl B. SlocumRamon CabreraZhivko GrozevAlexander Kovachev
    • G01S15/00
    • G01S15/60G01S15/10G01S15/87
    • An acoustic Doppler system including an acoustic subsystem controller operatively connected to a plurality of acoustic transceivers, with a first of the plurality of acoustic transceivers, operating at a first acoustic frequency, operatively connected to a first group of at least one transducer, and a second of the plurality of acoustic transceivers, operating at a second acoustic frequency, operatively connected to a second group of at least one transducer, where the acoustic subsystem controller includes a digital circuit configured to sample analog signals received from the first and second groups of transducer in pairs having a pair-wise sampling frequency that is four times the operating frequency of associated acoustic transceiver. Also presented is a method of sampling acoustic Doppler signals received from such devices, with samples comprising a pair of values taken with a pair-wise sampling frequency that is four times the operating frequency of associated acoustic transceivers, and the resulting pairs of values being further processed as representative values of the cosine and sine components of a Doppler-shift signal.
    • 一种声学多普勒系统,包括可操作地连接到多个声收发器的声学子系统控制器,多个声收发器中的第一声收发器以可操作地连接到第一组至少一个换能器的第一声频频率操作, 所述多个声收发器以第二声频操作,操作性地连接到第二组至少一个换能器,其中所述声学子系统控制器包括数字电路,所述数字电路被配置为对从所述第一和第二组换能器接收的模拟信号进行采样, 成对的成对采样频率是相关声收发器工作频率的四倍。 还提出了一种从这些装置接收的声学多普勒信号的采样方法,其中采样包括成对采样频率的一对值,该对采样频率是相关声收发器的工作频率的四倍,并且所得到的值对进一步 作为多普勒频移信号的余弦和正弦分量的代表值进行处理。
    • 6. 发明申请
    • Multi-frequency, Multi-beam Acoustic Doppler System
    • 多频多声道多普勒系统
    • US20100157739A1
    • 2010-06-24
    • US12639989
    • 2009-12-16
    • Daryl B. SlocumRamon CabreraZhivko GrozevAlexander Kovachev
    • Daryl B. SlocumRamon CabreraZhivko GrozevAlexander Kovachev
    • H04B11/00
    • G01S15/60G01S15/10G01S15/87
    • An acoustic Doppler system including an acoustic subsystem controller operatively connected to a plurality of acoustic transceivers, with a first of the plurality of acoustic transceivers, operating at a first acoustic frequency, operatively connected to a first group of at least one transducer, and a second of the plurality of acoustic transceivers, operating at a second acoustic frequency, operatively connected to a second group of at least one transducer, where the acoustic subsystem controller includes a digital circuit configured to sample analog signals received from the first and second groups of transducer in pairs having a pair-wise sampling frequency that is four times the operating frequency of associated acoustic transceiver. Also presented is a method of sampling acoustic Doppler signals received from such devices, with samples comprising a pair of values taken with a pair-wise sampling frequency that is four times the operating frequency of associated acoustic transceivers, and the resulting pairs of values being further processed as representative values of the cosine and sine components of a Doppler-shift signal.
    • 一种声学多普勒系统,包括可操作地连接到多个声收发器的声学子系统控制器,多个声收发器中的第一声收发器以可操作地连接到第一组至少一个换能器的第一声频频率操作, 所述多个声收发器以第二声频操作,操作性地连接到第二组至少一个换能器,其中所述声学子系统控制器包括数字电路,所述数字电路被配置为对从所述第一和第二组换能器接收的模拟信号进行采样, 成对的成对采样频率是相关声收发器工作频率的四倍。 还提出了一种从这些装置接收的声学多普勒信号的采样方法,其中采样包括成对采样频率的一对值,该对采样频率是相关声收发器的工作频率的四倍,并且所得到的值对进一步 作为多普勒频移信号的余弦和正弦分量的代表值进行处理。