会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Real-time digital quadrature demodulation method and device for ultrasonic imaging system
    • 超声波成像系统的实时数字正交解调方法及装置
    • US07706476B2
    • 2010-04-27
    • US11617959
    • 2006-12-29
    • Yong JiangQinjun HuXingjun Pi
    • Yong JiangQinjun HuXingjun Pi
    • H04L27/00G06F17/10
    • G01S15/8979G01S7/52028H03D3/007
    • A real-time digital quadrature demodulation method and device for the ultrasonic imaging system are disclosed in this invention. In addition to a multiplying step and a filtering step, the method further comprises a sine and cosine table generating step for generating the sine and cosine table in real time, and a filter parameter generating step for generating corresponding filter parameters in real time to filter signals from the multipliers. The device comprises two multipliers, two filters, a sine and cosine table generating module, a filter parameter generating module, and two parameter memories. The real-time digital quadrature demodulation method and device for the ultrasonic imaging system according to the invention are capable of effectively saving the storage resource, and are easily controllable.
    • 在本发明中公开了一种用于超声成像系统的实时数字正交解调方法和装置。 除了乘法步骤和滤波步骤之外,该方法还包括实时生成正弦和余弦表的正弦和余弦表生成步骤,以及实时产生相应的滤波器参数以滤波信号的滤波器参数产生步骤 来自乘数。 该装置包括两个乘法器,两个滤波器,正弦和余弦表生成模块,滤波器参数产生模块和两个参数存储器。 根据本发明的用于超声成像系统的实时数字正交解调方法和装置能够有效地节省存储资源,并且易于控制。
    • 2. 发明申请
    • REAL-TIME DIGITAL QUADRATURE DEMODULATION METHOD AND DEVICE FOR ULTRASONIC IMAGING SYSTEM
    • 实时数字解码方法和超声成像系统的设备
    • US20080126460A1
    • 2008-05-29
    • US11617959
    • 2006-12-29
    • Yong JiangQinjun HuXingjun Pi
    • Yong JiangQinjun HuXingjun Pi
    • G06F17/10
    • G01S15/8979G01S7/52028H03D3/007
    • A real-time digital quadrature demodulation method and device for the ultrasonic imaging system are disclosed in this invention. In addition to a multiplying step and a filtering step, the method further comprises a sine and cosine table generating step for generating the sine and cosine table in real time, and a filter parameter generating step for generating corresponding filter parameters in real time to filter signals from the multipliers. The device comprises two multipliers, two filters, a sine and cosine table generating module, a filter parameter generating module, and two parameter memories. The real-time digital quadrature demodulation method and device for the ultrasonic imaging system according to the invention are capable of effectively saving the storage resource, and are easily controllable.
    • 在本发明中公开了一种用于超声成像系统的实时数字正交解调方法和装置。 除了乘法步骤和滤波步骤之外,该方法还包括实时生成正弦和余弦表的正弦和余弦表生成步骤,以及实时产生相应的滤波器参数以滤波信号的滤波器参数产生步骤 来自乘数。 该装置包括两个乘法器,两个滤波器,正弦和余弦表生成模块,滤波器参数产生模块和两个参数存储器。 根据本发明的用于超声成像系统的实时数字正交解调方法和装置能够有效地节省存储资源,并且易于控制。
    • 3. 发明授权
    • Real-time digital quadrature demodulation method and device for ultrasonic imaging system
    • 超声波成像系统的实时数字正交解调方法及装置
    • US08179997B2
    • 2012-05-15
    • US12767642
    • 2010-04-26
    • Yong JiangQinjun HuXingjun Pi
    • Yong JiangQinjun HuXingjun Pi
    • H04L27/00G06F17/10
    • G01S15/8979G01S7/52028H03D3/007
    • A real-time digital quadrature demodulation method and device for the ultrasonic imaging system are disclosed in this invention. In addition to a multiplying step and a filtering step, the method further comprises a sine and cosine table generating step for generating the sine and cosine table in real time, and a filter parameter generating step for generating corresponding filter parameters in real time to filter signals from the multipliers. The device comprises two multipliers, two filters, a sine and cosine table generating module, a filter parameter generating module, and two parameter memories. The real-time digital quadrature demodulation method and device for the ultrasonic imaging system according to the invention are capable of effectively saving the storage resource, and are easily controllable.
    • 在本发明中公开了一种用于超声成像系统的实时数字正交解调方法和装置。 除了乘法步骤和滤波步骤之外,该方法还包括实时生成正弦和余弦表的正弦和余弦表生成步骤,以及实时产生相应的滤波器参数以滤波信号的滤波器参数产生步骤 来自乘数。 该装置包括两个乘法器,两个滤波器,正弦和余弦表生成模块,滤波器参数产生模块和两个参数存储器。 根据本发明的用于超声成像系统的实时数字正交解调方法和装置能够有效地节省存储资源,并且易于控制。
    • 4. 发明申请
    • REAL-TIME DIGITAL QUADRATURE DEMODULATION METHOD AND DEVICE FOR ULTRASONIC IMAGING SYSTEM
    • 实时数字解码方法和超声成像系统的设备
    • US20100202567A1
    • 2010-08-12
    • US12767642
    • 2010-04-26
    • Yong JiangQinjun HuXingjun PI
    • Yong JiangQinjun HuXingjun PI
    • H04L27/00
    • G01S15/8979G01S7/52028H03D3/007
    • A real-time digital quadrature demodulation method and device for the ultrasonic imaging system are disclosed in this invention. In addition to a multiplying step and a filtering step, the method further comprises a sine and cosine table generating step for generating the sine and cosine table in real time, and a filter parameter generating step for generating corresponding filter parameters in real time to filter signals from the multipliers. The device comprises two multipliers, two filters, a sine and cosine table generating module, a filter parameter generating module, and two parameter memories. The real-time digital quadrature demodulation method and device for the ultrasonic imaging system according to the invention are capable of effectively saving the storage resource, and are easily controllable.
    • 在本发明中公开了一种用于超声成像系统的实时数字正交解调方法和装置。 除了乘法步骤和滤波步骤之外,该方法还包括实时生成正弦和余弦表的正弦和余弦表生成步骤,以及实时产生相应的滤波器参数以滤波信号的滤波器参数产生步骤 来自乘数。 该装置包括两个乘法器,两个滤波器,正弦和余弦表生成模块,滤波器参数产生模块和两个参数存储器。 根据本发明的用于超声成像系统的实时数字正交解调方法和装置能够有效地节省存储资源,并且易于控制。
    • 5. 发明授权
    • Method and device for generating a filter coefficient in real time
    • 实时生成滤波系数的方法和装置
    • US08260836B2
    • 2012-09-04
    • US11927230
    • 2007-10-29
    • Xingjun PiXiaogang KangYong Jiang
    • Xingjun PiXiaogang KangYong Jiang
    • G06F17/10
    • H03H17/0294
    • The present invention provides a method and device for generating a filter coefficient in real time. The method includes: looking up a converted window function value in a converted window function table based on a current coefficient index; generating a current cut-off angular frequency; generating a look-up table address based on the current coefficient index, the filter order and the current cut-off angular frequency and looking up a sine value in a sine table based on the look-up table address; and multiplying the converted window function value by the sine value to obtain the filter coefficient. The device includes a first memory, a second memory, a look-up table address generation module and a first multiplier. The present invention is easily implemented with low hardware resource consumption and high flexibility, and is particularly applicable for the hardware implementation of high-order finite impulse response filters.
    • 本发明提供一种用于实时生成滤波系数的方法和装置。 该方法包括:基于当前系数索引,在转换后的窗函数表中查找转换的窗口函数值; 产生电流截止角频率; 基于当前系数索引,滤波器顺序和当前截止角频率并基于查找表地址在正弦表中查找正弦值来产生查找表地址; 并将转换的窗口函数值乘以正弦值以获得滤波器系数。 该设备包括第一存储器,第二存储器,查找表地址生成模块和第一乘法器。 本发明容易实现,硬件资源消耗低,灵活性高,特别适用于高阶有限脉冲响应滤波器的硬件实现。
    • 6. 发明授权
    • Method and device for generating a filter coefficient in real time
    • 实时生成滤波系数的方法和装置
    • US09124244B2
    • 2015-09-01
    • US13564982
    • 2012-08-02
    • Xingjun PiXiaogang KangYong Jiang
    • Xingjun PiXiaogang KangYong Jiang
    • H03H17/02
    • H03H17/0294
    • The present invention provides a method and device for generating a filter coefficient in real time. The method includes: looking up a converted window function value in a converted window function table based on a current coefficient index; generating a current cut-off angular frequency; generating a look-up table address based on the current coefficient index, the filter order and the current cut-off angular frequency and looking up a sine value in a sine table based on the look-up table address; and multiplying the converted window function value by the sine value to obtain the filter coefficient. The device includes a first memory, a second memory, a look-up table address generation module and a first multiplier. The present invention is easily implemented with low hardware resource consumption and high flexibility, and is particularly applicable for the hardware implementation of high-order finite impulse response filters.
    • 本发明提供一种用于实时生成滤波系数的方法和装置。 该方法包括:基于当前系数索引,在转换后的窗函数表中查找转换的窗口函数值; 产生电流截止角频率; 基于当前系数索引,滤波器顺序和当前截止角频率并基于查找表地址在正弦表中查找正弦值来产生查找表地址; 并将转换的窗口函数值乘以正弦值以获得滤波器系数。 该设备包括第一存储器,第二存储器,查找表地址生成模块和第一乘法器。 本发明容易实现,硬件资源消耗低,灵活性高,特别适用于高阶有限脉冲响应滤波器的硬件实现。
    • 7. 发明申请
    • METHOD AND DEVICE FOR GENERATING A FILTER COEFFICIENT IN REAL TIME
    • 实时产生滤波器系数的方法和装置
    • US20080126459A1
    • 2008-05-29
    • US11927230
    • 2007-10-29
    • Xingjun PiXiaogang KangYong Jiang
    • Xingjun PiXiaogang KangYong Jiang
    • G06F7/548
    • H03H17/0294
    • The present invention provides a method and device for generating a filter coefficient in real time. The method includes: looking up a converted window function value in a converted window function table based on a current coefficient index; generating a current cut-off angular frequency; generating a look-up table address based on the current coefficient index, the filter order and the current cut-off angular frequency and looking up a sine value in a sine table based on the look-up table address; and multiplying the converted window function value by the sine value to obtain the filter coefficient. The device includes a first memory, a second memory, a look-up table address generation module and a first multiplier. The present invention is easily implemented with low hardware resource consumption and high flexibility, and is particularly applicable for the hardware implementation of high-order finite impulse response filters.
    • 本发明提供一种用于实时生成滤波系数的方法和装置。 该方法包括:基于当前系数索引,在转换后的窗函数表中查找转换的窗口函数值; 产生电流截止角频率; 基于当前系数索引,滤波器顺序和当前截止角频率并基于查找表地址在正弦表中查找正弦值来产生查找表地址; 并将转换的窗口函数值乘以正弦值以获得滤波器系数。 该设备包括第一存储器,第二存储器,查找表地址生成模块和第一乘法器。 本发明容易实现,硬件资源消耗低,灵活性高,特别适用于高阶有限脉冲响应滤波器的硬件实现。
    • 8. 发明申请
    • METHOD AND DEVICE FOR GENERATING A FILTER COEFFICIENT IN REAL TIME
    • 实时产生滤波器系数的方法和装置
    • US20120323983A1
    • 2012-12-20
    • US13564982
    • 2012-08-02
    • Xingjun PiXiaogang KangYong Jiang
    • Xingjun PiXiaogang KangYong Jiang
    • G06F17/10
    • H03H17/0294
    • The present invention provides a method and device for generating a filter coefficient in real time. The method includes: looking up a converted window function value in a converted window function table based on a current coefficient index; generating a current cut-off angular frequency; generating a look-up table address based on the current coefficient index, the filter order and the current cut-off angular frequency and looking up a sine value in a sine table based on the look-up table address; and multiplying the converted window function value by the sine value to obtain the filter coefficient. The device includes a first memory, a second memory, a look-up table address generation module and a first multiplier. The present invention is easily implemented with low hardware resource consumption and high flexibility, and is particularly applicable for the hardware implementation of high-order finite impulse response filters.
    • 本发明提供一种用于实时生成滤波系数的方法和装置。 该方法包括:基于当前系数索引,在转换后的窗函数表中查找转换的窗口函数值; 产生电流截止角频率; 基于当前系数索引,滤波器顺序和当前截止角频率并基于查找表地址在正弦表中查找正弦值来产生查找表地址; 并将转换的窗口函数值乘以正弦值以获得滤波器系数。 该设备包括第一存储器,第二存储器,查找表地址生成模块和第一乘法器。 本发明容易实现,硬件资源消耗低,灵活性高,特别适用于高阶有限脉冲响应滤波器的硬件实现。