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71. 发明授权

US07336983B2 Pulse oximeter with parallel saturation calculation modules 有权
公开(公告)号：US07336983B2
公开(公告)日：2008-02-26
申请号：US11406188
申请日：2006-04-18
申请人： Clark R. Baker, Jr. , Thomas J. Yorkey
发明人： Clark R. Baker, Jr. , Thomas J. Yorkey
IPC分类号： A61B5/00
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.

72. 发明申请

US20080037689A1 Adaptive Kalman filtering for fast fading removal 审中-公开
标题翻译：用于快速衰落去除的自适应卡尔曼滤波
公开(公告)号：US20080037689A1
公开(公告)日：2008-02-14
申请号：US11642969
申请日：2006-12-21
申请人： Tolga Kurt , Yann Le Helloco
发明人： Tolga Kurt , Yann Le Helloco
IPC分类号： H04L27/06
CPC分类号： H04L27/0008 , H03G3/3089 , H03H21/003 , H04B17/318 , H04W52/06
摘要： An adaptive Kalman filtering method and apparatus are used to process signal measurement data associated with the received radio signal. The signal measurement data includes a fast fading component and a slow fading component. The adaptive Kalman filtering process filters out the fast fading component of the signal measurement data but preserves to a large extent the slow fading components. This approach significantly improves the accuracy of the signal strength estimation and fast fading removal while at the same time significantly reduces the number of actual data samples required to remove that fast fading from the signal measurement data. This relaxes the speed and density requirements of the signal measurements, which in turn save time and costs.
摘要翻译：使用自适应卡尔曼滤波方法和装置来处理与所接收的无线电信号相关联的信号测量数据。信号测量数据包括快速衰落分量和慢衰落分量。自适应卡尔曼滤波过程滤除信号测量数据的快衰落分量，但在很大程度上保留了缓慢的衰落分量。这种方法显着提高了信号强度估计和快速衰落去除的精度，同时显着减少了从信号测量数据中消除快速衰落所需的实际数据采样数。这可以放松信号测量的速度和密度要求，从而节省时间和成本。

73. 发明授权

US07315753B2 Pulse oximeter with parallel saturation calculation modules 有权
标题翻译：具有并联饱和度计算模块的脉搏血氧计
公开(公告)号：US07315753B2
公开(公告)日：2008-01-01
申请号：US10806647
申请日：2004-03-22
申请人： Clark R. Baker, Jr. , Thomas J. Yorkey
发明人： Clark R. Baker, Jr. , Thomas J. Yorkey
IPC分类号： A61B5/00
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
摘要翻译：一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置，例如脉搏血氧计。本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。不同的权重被分配不同的测量，测量被拒绝，平均期间根据测量的可靠性进行调整。类似地，从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。更具体地，在处理测量值和计算值时，采用一般的滤波器类，例如卡尔曼滤波器。过滤器使用描述生理参数如何随时间变化的数学模型，以及这些参数如何与嘈杂环境中的测量相关。滤波器自适应地修改一组平均权重以最佳地估计生理参数。

74. 发明申请

US20050124871A1 Pulse oximeter with parallel saturation calculation modules 有权
标题翻译：具有并联饱和度计算模块的脉搏血氧计
公开(公告)号：US20050124871A1
公开(公告)日：2005-06-09
申请号：US11039529
申请日：2005-01-19
申请人： Clark Baker , Thomas Yorkey
发明人： Clark Baker , Thomas Yorkey
IPC分类号： A61B5/00 , A61B5/02 , A61B5/024 , H03H21/00
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
摘要翻译：一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置，例如脉搏血氧计。本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。不同的权重被分配不同的测量，测量被拒绝，平均期间根据测量的可靠性进行调整。类似地，从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。更具体地，在处理测量值和计算值时，采用一般的滤波器类，例如卡尔曼滤波器。过滤器使用描述生理参数如何随时间变化的数学模型，以及这些参数如何与嘈杂环境中的测量相关。滤波器自适应地修改一组平均权重以最佳地估计生理参数。

75. 发明授权

US06836679B2 Method and apparatus for estimating physiological parameters using model-based adaptive filtering 有权
标题翻译：使用基于模型的自适应滤波估计生理参数的方法和装置
公开(公告)号：US06836679B2
公开(公告)日：2004-12-28
申请号：US10072589
申请日：2002-02-05
申请人： Clark R. Baker, Jr. , Thomas J. Yorkey
发明人： Clark R. Baker, Jr. , Thomas J. Yorkey
IPC分类号： A61B500
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
摘要翻译：一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置，例如脉搏血氧计。本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。不同的权重被分配不同的测量，测量被拒绝，平均期间根据测量的可靠性进行调整。类似地，从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。更具体地，在处理测量值和计算值时，采用一般的滤波器类，例如卡尔曼滤波器。过滤器使用描述生理参数如何随时间变化的数学模型，以及这些参数如何与嘈杂环境中的测量相关。滤波器自适应地修改一组平均权重以最佳地估计生理参数。

76. 发明申请

US20040181134A1 Pulse oximeter with parallel saturation calculation modules 有权
标题翻译：具有并联饱和度计算模块的脉搏血氧计
公开(公告)号：US20040181134A1
公开(公告)日：2004-09-16
申请号：US10806647
申请日：2004-03-22
申请人： Nellcor Puritan Bennett Incorporated
发明人： Clark R. Baker JR. , Thomas J. Yorkey
IPC分类号： A61B005/00
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
摘要翻译：一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置，例如脉搏血氧计。本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。不同的权重被分配不同的测量，测量被拒绝，平均期间根据测量的可靠性进行调整。类似地，从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。更具体地，在处理测量值和计算值时，采用一般的滤波器类，例如卡尔曼滤波器。过滤器使用描述生理参数如何随时间变化的数学模型，以及这些参数如何与嘈杂环境中的测量相关。滤波器自适应地修改一组平均权重以最佳地估计生理参数。

77. 发明申请

US20040158135A1 Pulse oximeter sensor off detector 有权
标题翻译：脉搏血氧计传感器关闭检测器
公开(公告)号：US20040158135A1
公开(公告)日：2004-08-12
申请号：US10775497
申请日：2004-02-09
申请人： Nellcor Incorporated, a Delaware corporation
发明人： Clark R. Baker JR. , Thomas J. Yorkey
IPC分类号： A61B005/00
CPC分类号： A61B5/7203 , A61B5/0075 , A61B5/024 , A61B5/02416 , A61B5/14551 , A61B5/14552 , A61B5/7207 , A61B5/7239 , A61B5/725 , G06F19/00 , H03H21/003
摘要： A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological parameters being monitored when weighting and averaging a series of measurements. Varying weights are assigned different measurements, measurements are rejected, and the averaging period is adjusted according to the reliability of the measurements. Similarly, calculated values derived from analyzing the measurements are also assigned varying weights and averaged over adjustable periods. More specifically, a general class of filters such as, for example, Kalman filters, is employed in processing the measurements and calculated values. The filters use mathematical models which describe how the physiological parameters change in time, and how these parameters relate to measurement in a noisy environment. The filters adaptively modify a set of averaging weights to optimally estimate the physiological parameters.
摘要翻译：一种用于减少噪声对用于测量生理参数的系统的影响的方法和装置，例如脉搏血氧计。本发明的方法和装置考虑到当加权和平均一系列测量时监测的各种生理参数的物理限制。不同的权重被分配不同的测量，测量被拒绝，平均期间根据测量的可靠性进行调整。类似地，从分析测量得到的计算值也被赋予变化的权重并且在可调周期上平均。更具体地，在处理测量值和计算值时，采用一般的滤波器类，例如卡尔曼滤波器。过滤器使用描述生理参数如何随时间变化的数学模型，以及这些参数如何与嘈杂环境中的测量相关。滤波器自适应地修改一组平均权重以最佳地估计生理参数。

78. 发明申请

US20040081230A1 Method and apparatus for pilot estimation using prediction error method 失效
标题翻译：使用预测误差法进行导频估计的方法和装置
公开(公告)号：US20040081230A1
公开(公告)日：2004-04-29
申请号：US10279535
申请日：2002-10-23
发明人： Farrokh Abrishamkar , Kenneth Kreutz-Delgado
IPC分类号： H04B001/707
CPC分类号： H04B1/707 , H03H21/003 , H04B2201/70701
摘要： A system is disclosed for use in a wireless communication system to provide an estimated pilot signal. The system includes a receiver and a front-end processing and despreading component in electronic communication with the receiver for despreading a CDMA signal. A pilot estimation component is in electronic communication with the front-end processing and despreading component for estimating an original pilot signal using a pilot estimator that includes a Kalman filter to produce a pilot estimate. The Kalman filter is determined through use of a prediction error method based on an innovations representation of the original pilot signal. A demodulation component is in electronic communication with the pilot estimation component and the front-end processing and despreading component for providing demodulated data symbols.
摘要翻译：公开了一种在无线通信系统中用于提供估计的导频信号的系统。该系统包括接收机和与接收机进行电子通信的前端处理和解扩部件，用于解扩CDMA信号。导频估计部件与前端处理和解扩部件进行电子通信，用于使用包括卡尔曼滤波器的导频估计器来估计原始导频信号以产生导频估计。通过使用基于原始导频信号的创新表示的预测误差方法来确定卡尔曼滤波器。解调部件与导频估计部件以及用于提供解调数据符号的前端处理和解扩部件进行电子通信。

79. 发明公开

US20240380389A1 ADAPTIVE ROBUST ESTIMATION METHOD AND SYSTEM FOR PARAMETERS OF UNMANNED SURFACE VESSEL 审中-公开
公开(公告)号：US20240380389A1
公开(公告)日：2024-11-14
申请号：US18249500
申请日：2022-06-21
申请人： SOUTHEAST UNIVERSITY
发明人： Guanghui WEN , Han SHEN , Jun ZHOU , Linan WANG , Mengfei NIU
IPC分类号： H03H21/00
CPC分类号： H03H21/003
摘要： An adaptive robust estimation method and system for parameters of an unmanned surface vessel belongs to the field of automatic control. First, an augmented state estimation problem considering an external disturbance for the unmanned surface vessel is constructed; augmented state vectors include a state vector of the unmanned surface vessel, a parameter vector, and an unknown input vector; and then, depending on a real-time input vector and a measurement vector of a system, a designed adaptive robust unscented Kalman filtering method is employed to obtain model parameters of the unmanned surface vessel.

80. 发明授权

US09166857B2 Systems and methods for fast and precise frequency estimation 有权
公开(公告)号：US09166857B2
公开(公告)日：2015-10-20
申请号：US13486597
申请日：2012-06-01
申请人： Rajendra Kumar
发明人： Rajendra Kumar
IPC分类号： H04L27/26 , H04L27/00 , H03H21/00
CPC分类号： H04L27/2657 , H03H21/003 , H04L27/266 , H04L27/2676 , H04L27/2688 , H04L2027/0065 , H04L2027/0067
摘要： Systems and methods are provided for fast and precise estimation of frequency with relatively minimal sampling and relatively high tolerance to noise.

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