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1. 发明授权

US08244493B2 Noise reduction technique for monitoring electromagnetic signals 有权
标题翻译：用于监控电磁信号的降噪技术
公开(公告)号：US08244493B2
公开(公告)日：2012-08-14
申请号：US12494709
申请日：2009-06-30
申请人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
发明人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
IPC分类号： G01R23/00
CPC分类号： G06F11/0751 , G01R29/0892 , G06F11/3058 , G06F11/3072 , G06F11/3093
摘要： One embodiment provides a system that analyzes a target electromagnetic signal radiating from a monitored system. During operation, the system monitors the target electromagnetic signal using a set of antennas to obtain a set of received target electromagnetic signals from the monitored system. Next, the system calculates a weighted mean of the received target electromagnetic signals using a first pattern-recognition model. The system then subtracts the received target electromagnetic signals from the weighted mean of the received target electromagnetic signals to obtain a set of noise-reduced signals for the monitored system. Finally, the system assesses the integrity of the monitored system by analyzing the noise-reduced signals using a second pattern-recognition model.
摘要翻译：一个实施例提供了一种系统，其分析从受监视系统辐射的目标电磁信号。在操作期间，系统使用一组天线监视目标电磁信号，以从被监视的系统获得一组接收到的目标电磁信号。接下来，系统使用第一模式识别模型计算接收到的目标电磁信号的加权平均值。然后，系统从接收的目标电磁信号的加权平均值中减去接收到的目标电磁信号，以获得被监视系统的一组降噪信号。最后，系统通过使用第二模式识别模型分析降噪信号来评估监控系统的完整性。

2. 发明申请

US20100023282A1 CHARACTERIZING A COMPUTER SYSTEM USING RADIATING ELECTROMAGNETIC SIGNALS MONITORED THROUGH AN INTERFACE 审中-公开
标题翻译：表征使用通过接口监测的电磁信号的计算机系统
公开(公告)号：US20100023282A1
公开(公告)日：2010-01-28
申请号：US12177724
申请日：2008-07-22
申请人： Andrew J. Lewis , Kenny C. Gross , Aleksey M. Urmanov , Ramakrishna C. Dhanekula
发明人： Andrew J. Lewis , Kenny C. Gross , Aleksey M. Urmanov , Ramakrishna C. Dhanekula
IPC分类号： G01R35/00
CPC分类号： G06F11/3041 , G06F11/3058
摘要： Some embodiments of the present invention provide a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the target electromagnetic signal is monitored using a conductor in an interface of the computer system. Then, the target electromagnetic signal is analyzed to characterize the computer system parameter.
摘要翻译：本发明的一些实施例提供了一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，使用计算机系统的接口中的导体监视目标电磁信号。然后，分析目标电磁信号以表征计算机系统参数。

3. 发明申请

US20100033386A1 USING MULTIPLE ANTENNAS TO CHARACTERIZE A COMPUTER SYSTEM BASED ON ELECTROMAGNETIC SIGNALS 有权
标题翻译：使用多个天线来表征基于电磁信号的计算机系统
公开(公告)号：US20100033386A1
公开(公告)日：2010-02-11
申请号：US12188998
申请日：2008-08-08
申请人： Andrew J. Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
发明人： Andrew J. Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
IPC分类号： G01R29/08 , G06F19/00
CPC分类号： G01R31/001
摘要： Some embodiments of the present invention provide a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the target electromagnetic signal is monitored using a first antenna and a second antenna, wherein an axis of the second antenna is oriented non-parallel to an axis of the first antenna. Then, the target electromagnetic signal received from the first antenna and the target electromagnetic signal received from the second antenna are separately analyzed to characterize the computer system parameter.
摘要翻译：本发明的一些实施例提供了一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，使用第一天线和第二天线监视目标电磁信号，其中第二天线的轴线定向成不平行于第一天线的轴线。然后，分别分析从第一天线接收到的目标电磁信号和从第二天线接收的目标电磁信号，以表征计算机系统参数。

4. 发明授权

US08255341B2 Analyzing a target electromagnetic signal radiating from a computer system 有权
标题翻译：分析从计算机系统辐射的目标电磁信号
公开(公告)号：US08255341B2
公开(公告)日：2012-08-28
申请号：US12340029
申请日：2008-12-19
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis , Aleksey M. Urmanov
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis , Aleksey M. Urmanov
IPC分类号： G06F15/18
CPC分类号： G01R33/10
摘要： One embodiment of the present invention provides a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the system monitors the target electromagnetic signal using a first directional antenna located outside of the computer system, wherein the first directional antenna is directed at a location inside the computer system. The system also monitors the target electromagnetic signal using a second directional antenna located outside of the computer system, wherein a receiving axis of the second antenna is oriented non-parallel to a receiving axis of the first antenna, and wherein the second directional antenna is directed at the location inside the computer system. Next, the system characterizes the computer system parameter based on the target electromagnetic signal received from the first antenna and the target electromagnetic signal received from the second antenna. Then, the system generates a request for an action based on the characterization of the computer system.
摘要翻译：本发明的一个实施例提供一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，系统使用位于计算机系统外部的第一定向天线来监视目标电磁信号，其中第一定向天线指向计算机系统内部的位置。该系统还使用位于计算机系统外部的第二定向天线来监视目标电磁信号，其中第二天线的接收轴定向成不平行于第一天线的接收轴，并且其中第二定向天线被定向在计算机系统内的位置。接下来，系统基于从第一天线接收的目标电磁信号和从第二天线接收的目标电磁信号来表征计算机系统参数。然后，系统基于计算机系统的特性生成针对动作的请求。

5. 发明申请

US20120030775A1 DETECTING COUNTERFEIT ELECTRONIC COMPONENTS USING EMI TELEMETRIC FINGERPRINTS 有权
标题翻译：使用EMI电报指纹检测计数器电子元件
公开(公告)号：US20120030775A1
公开(公告)日：2012-02-02
申请号：US13252877
申请日：2011-10-04
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
IPC分类号： G08B29/00
CPC分类号： G06K9/6271 , G01R31/2813 , Y02T10/82
摘要： One embodiment of the present invention provides a system that non-intrusively detects counterfeit components in a target computer system. During operation, the system collects target electromagnetic interference (EMI) signals generated by the target computer system using one or more antennas positioned in close proximity to the target computer system. The system then generates a target EMI fingerprint for the target computer system from the target EMI signals. Next, the system compares the target EMI fingerprint against a reference EMI fingerprint to determine whether the target computer system contains a counterfeit component.
摘要翻译：本发明的一个实施例提供了一种在目标计算机系统中非侵入式地检测假冒组件的系统。在操作期间，系统使用位于目标计算机系统附近的一个或多个天线收集由目标计算机系统产生的目标电磁干扰（EMI）信号。然后，该系统从目标EMI信号产生目标计算机系统的目标EMI指纹。接下来，系统将目标EMI指纹与参考EMI指纹进行比较，以确定目标计算机系统是否包含假冒组件。

6. 发明申请

US20100161525A1 ANALYZING A TARGET ELECTROMAGNETIC SIGNAL RADIATING FROM A COMPUTER SYSTEM 有权
标题翻译：从计算机系统分析目标电磁信号
公开(公告)号：US20100161525A1
公开(公告)日：2010-06-24
申请号：US12340029
申请日：2008-12-19
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis , Aleksey M. Urmanov
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis , Aleksey M. Urmanov
IPC分类号： G06F15/18 , G01R29/08 , G06N5/02
CPC分类号： G01R33/10
摘要： One embodiment of the present invention provides a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the system monitors the target electromagnetic signal using a first directional antenna located outside of the computer system, wherein the first directional antenna is directed at a location inside the computer system. The system also monitors the target electromagnetic signal using a second directional antenna located outside of the computer system, wherein a receiving axis of the second antenna is oriented non-parallel to a receiving axis of the first antenna, and wherein the second directional antenna is directed at the location inside the computer system. Next, the system characterizes the computer system parameter based on the target electromagnetic signal received from the first antenna and the target electromagnetic signal received from the second antenna. Then, the system generates a request for an action based on the characterization of the computer system.
摘要翻译：本发明的一个实施例提供一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，系统使用位于计算机系统外部的第一定向天线来监视目标电磁信号，其中第一定向天线指向计算机系统内部的位置。该系统还使用位于计算机系统外部的第二定向天线来监视目标电磁信号，其中第二天线的接收轴定向成不平行于第一天线的接收轴，并且其中第二定向天线被定向在计算机系统内的位置。接下来，系统基于从第一天线接收的目标电磁信号和从第二天线接收的目标电磁信号来表征计算机系统参数。然后，系统基于计算机系统的特性生成针对动作的请求。

7. 发明授权

US08341759B2 Detecting counterfeit electronic components using EMI telemetric fingerprints 有权
标题翻译：使用EMI遥测指纹检测伪造的电子元件
公开(公告)号：US08341759B2
公开(公告)日：2012-12-25
申请号：US13252877
申请日：2011-10-04
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
IPC分类号： G06F21/00
CPC分类号： G06K9/6271 , G01R31/2813 , Y02T10/82
摘要： One embodiment of the present invention provides a system that non-intrusively detects counterfeit components in a target computer system. During operation, the system collects target electromagnetic interference (EMI) signals generated by the target computer system using one or more antennas positioned in close proximity to the target computer system. The system then generates a target EMI fingerprint for the target computer system from the target EMI signals. Next, the system compares the target EMI fingerprint against a reference EMI fingerprint to determine whether the target computer system contains a counterfeit component.
摘要翻译：本发明的一个实施例提供了一种在目标计算机系统中非侵入式地检测假冒组件的系统。在操作期间，系统使用位于目标计算机系统附近的一个或多个天线收集由目标计算机系统产生的目标电磁干扰（EMI）信号。然后，该系统从目标EMI信号产生目标计算机系统的目标EMI指纹。接下来，系统将目标EMI指纹与参考EMI指纹进行比较，以确定目标计算机系统是否包含假冒组件。

8. 发明授权

US08069490B2 Detecting counterfeit electronic components using EMI telemetric fingerprints 有权
标题翻译：使用EMI遥测指纹检测伪造的电子元件
公开(公告)号：US08069490B2
公开(公告)日：2011-11-29
申请号：US11974788
申请日：2007-10-16
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
IPC分类号： G08B29/00
CPC分类号： G06K9/6271 , G01R31/2813 , Y02T10/82
摘要： One embodiment of the present invention provides a system that non-intrusively detects counterfeit components in a target computer system. During operation, the system collects target electromagnetic interference (EMI) signals generated by the target computer system using one or more antennas positioned in close proximity to the target computer system. The system then generates a target EMI fingerprint for the target computer system from the target EMI signals. Next, the system compares the target EMI fingerprint against a reference EMI fingerprint to determine whether the target computer system contains a counterfeit component.
摘要翻译：本发明的一个实施例提供了一种在目标计算机系统中非侵入式地检测假冒组件的系统。在操作期间，系统使用位于目标计算机系统附近的一个或多个天线收集由目标计算机系统产生的目标电磁干扰（EMI）信号。然后，该系统从目标EMI信号产生目标计算机系统的目标EMI指纹。接下来，系统将目标EMI指纹与参考EMI指纹进行比较，以确定目标计算机系统是否包含假冒组件。

9. 发明授权

US07869977B2 Using multiple antennas to characterize a computer system based on electromagnetic signals 有权
标题翻译：使用多个天线来表征基于电磁信号的计算机系统
公开(公告)号：US07869977B2
公开(公告)日：2011-01-11
申请号：US12188998
申请日：2008-08-08
申请人： Andrew J Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
发明人： Andrew J Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
IPC分类号： G06F19/00
CPC分类号： G01R31/001
摘要： Some embodiments of the present invention provide a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the target electromagnetic signal is monitored using a first antenna and a second antenna, wherein an axis of the second antenna is oriented non-parallel to an axis of the first antenna. Then, the target electromagnetic signal received from the first antenna and the target electromagnetic signal received from the second antenna are separately analyzed to characterize the computer system parameter.
摘要翻译：本发明的一些实施例提供了一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，使用第一天线和第二天线监视目标电磁信号，其中第二天线的轴线定向成不平行于第一天线的轴线。然后，分别分析从第一天线接收的目标电磁信号和从第二天线接收的目标电磁信号，以表征计算机系统参数。

10. 发明申请

US20100332199A1 NOISE REDUCTION TECHNIQUE FOR MONITORING ELECTROMAGNETIC SIGNALS 有权
标题翻译：用于监测电磁信号的噪声减少技术
公开(公告)号：US20100332199A1
公开(公告)日：2010-12-30
申请号：US12494709
申请日：2009-06-30
申请人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
发明人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
IPC分类号： G06F17/10 , G01R29/08 , G06F19/00 , G06F17/18
CPC分类号： G06F11/0751 , G01R29/0892 , G06F11/3058 , G06F11/3072 , G06F11/3093
摘要： One embodiment provides a system that analyzes a target electromagnetic signal radiating from a monitored system. During operation, the system monitors the target electromagnetic signal using a set of antennas to obtain a set of received target electromagnetic signals from the monitored system. Next, the system calculates a weighted mean of the received target electromagnetic signals using a first pattern-recognition model. The system then subtracts the received target electromagnetic signals from the weighted mean of the received target electromagnetic signals to obtain a set of noise-reduced signals for the monitored system. Finally, the system assesses the integrity of the monitored system by analyzing the noise-reduced signals using a second pattern-recognition model.
摘要翻译：一个实施例提供了一种系统，其分析从受监视系统辐射的目标电磁信号。在操作期间，系统使用一组天线监视目标电磁信号，以从被监视的系统获得一组接收到的目标电磁信号。接下来，系统使用第一模式识别模型计算接收到的目标电磁信号的加权平均值。然后，系统从接收的目标电磁信号的加权平均值中减去接收到的目标电磁信号，以获得被监视系统的一组降噪信号。最后，系统通过使用第二模式识别模型分析降噪信号来评估监控系统的完整性。

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