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1. 发明授权

US09798038B2 Directional filter for processing full tensor gradiometer data 有权
公开(公告)号：US09798038B2
公开(公告)日：2017-10-24
申请号：US13966722
申请日：2013-08-14
申请人： Bell Geospace Inc.
发明人： James Brewster
IPC分类号： G01N33/24 , G01V7/00 , G01V7/06
CPC分类号： G01V7/00 , G01V7/06
摘要： A directional filter for processing full-tensor gradiometer data is described. The filter processes input data using a method comprising receiving geophysical data collected based on characteristics of geographic features in an environment, and applying a directional filter to the received geophysical data in a first instance so as to provide first filtered data. A filtering direction of the directional filter is determined based on properties in the received geophysical data. The method also includes updating the filtering direction based on properties in the first filtered data, applying the directional filter to the received geophysical data in a subsequent instance using the updated filtering direction so as to provide subsequent filtered data, and based on the updated filtering direction having a subsequent update less than a threshold, outputting directionally filtered data. The subsequent update is determined due to properties in the subsequent filtered data output from the subsequent instance.

2. 发明授权

US07444867B2 Accelerometer and rate sensor package for gravity gradiometer instruments 有权
标题翻译：用于重力梯度仪的加速度计和速率传感器包
公开(公告)号：US07444867B2
公开(公告)日：2008-11-04
申请号：US11029229
申请日：2005-01-04
申请人： John Brett , James Brewster
发明人： John Brett , James Brewster
IPC分类号： G01V7/00
CPC分类号： G01V7/00 , G01P1/023 , G01P15/18
摘要： An accelerometer and rate sensor package to aid gravity gradiometers is provided. The accelerometer and rate sensor package is mounted directly on or within a gravity gradiometer instrument (GGI). Outputs from the sensors can be used to reduce unwanted noise due to angular rotational rates, angular accelerations and linear accelerations that may be coupled to the GGI. Since the sensor assembly is directly mounted on or within the GGI, the sensor assembly is coupled to the GGI and senses the acceleration and angular rates as seen by the GGI. Thus, outputs from the GGI can be corrected more effectively using the sensor assembly's outputs.
摘要翻译：提供了一种用于辅助重力梯度计的加速度计和速率传感器封装。加速度计和速率传感器封装直接安装在重力梯度仪（GGI）上或内。来自传感器的输出可用于减少可能与GGI耦合的角旋转速率，角加速度和线性加速度引起的不必要的噪声。由于传感器组件直接安装在GGI上或传感器组件内，所以传感器组件与GGI相连，并且可以感测GGI所看到的加速度和角速率。因此，可以使用传感器组件的输出更有效地校正GGI的输出。

3. 发明申请

US20140052375A1 Directional Filter for Processing Full Tensor Gradiometer Data 有权
标题翻译：用于处理全张度光度计数据的定向滤波器
公开(公告)号：US20140052375A1
公开(公告)日：2014-02-20
申请号：US13966722
申请日：2013-08-14
申请人： Bell Geospace Inc.
发明人： James Brewster
IPC分类号： G01V7/00
CPC分类号： G01V7/00 , G01V7/06
摘要： A directional filter for processing full-tensor gradiometer data is described. The filter processes input data using a method comprising receiving geophysical data collected based on characteristics of geographic features in an environment, and applying a directional filter to the received geophysical data in a first instance so as to provide first filtered data. A filtering direction of the directional filter is determined based on properties in the received geophysical data. The method also includes updating the filtering direction based on properties in the first filtered data, applying the directional filter to the received geophysical data in a subsequent instance using the updated filtering direction so as to provide subsequent filtered data, and based on the updated filtering direction having a subsequent update less than a threshold, outputting directionally filtered data. The subsequent update is determined due to properties in the subsequent filtered data output from the subsequent instance.
摘要翻译：描述了用于处理全张量梯度数据的方向滤波器。过滤器使用包括接收基于环境中的地理特征的特征而收集的地球物理数据并且在第一情况下将方向滤波器应用于所接收的地球物理数据以便提供第一滤波数据的方法来处理输入数据。方向滤波器的滤波方向是根据接收到的地球物理数据的性质来确定的。该方法还包括基于第一滤波数据中的属性来更新滤波方向，使用更新的滤波方向在随后的实例中将方向滤波器应用于接收的地球物理数据，以便提供后续的滤波数据，并且基于更新的滤波方向具有小于阈值的后续更新，输出定向过滤的数据。随后的更新由于后续实例中随后过滤的数据输出中的属性而确定。

4. 发明申请

US20090044621A1 Accelerometer and Rate Sensor Package for Gravity Gradiometer Instruments 有权
标题翻译：加速度计和速率传感器封装，用于重力式Gradiometer仪器
公开(公告)号：US20090044621A1
公开(公告)日：2009-02-19
申请号：US12166989
申请日：2008-07-02
申请人： John Brett , James Brewster
发明人： John Brett , James Brewster
IPC分类号： G01V7/00
CPC分类号： G01V7/00 , G01P1/023 , G01P15/18
摘要： An accelerometer and rate sensor package to aid gravity gradiometers is provided. The accelerometer and rate sensor package is mounted directly on or within a gravity gradiometer instrument (GGI). Outputs from the sensors can be used to reduce unwanted noise due to angular rotational rates, angular accelerations and linear accelerations that may be coupled to the GGI. Since the sensor assembly is directly mounted on or within the GGI, the sensor assembly is coupled to the GGI and senses the acceleration and angular rates as seen by the GGI. Thus, outputs from the GGI can be corrected more effectively using the sensor assembly's outputs.
摘要翻译：提供了一种用于辅助重力梯度计的加速度计和速率传感器封装。加速度计和速率传感器封装直接安装在重力梯度仪（GGI）上或内。来自传感器的输出可用于减少可能与GGI耦合的角旋转速率，角加速度和线性加速度引起的不必要的噪声。由于传感器组件直接安装在GGI上或传感器组件内，所以传感器组件与GGI相连，并且可以感测GGI所看到的加速度和角速率。因此，可以使用传感器组件的输出更有效地校正GGI的输出。

5. 发明申请

US20060156810A1 Accelerometer and rate sensor package for gravity gradiometer instruments 有权
标题翻译：用于重力梯度仪的加速度计和速率传感器包
公开(公告)号：US20060156810A1
公开(公告)日：2006-07-20
申请号：US11029229
申请日：2005-01-04
申请人： John Brett , James Brewster
发明人： John Brett , James Brewster
IPC分类号： G01V7/00 , G01V13/00
CPC分类号： G01V7/00 , G01P1/023 , G01P15/18
摘要： An accelerometer and rate sensor package to aid gravity gradiometers is provided. The accelerometer and rate sensor package is mounted directly on or within a gravity gradiometer instrument (GGI). Outputs from the sensors can be used to reduce unwanted noise due to angular rotational rates, angular accelerations and linear accelerations that may be coupled to the GGI. Since the sensor assembly is directly mounted on or within the GGI, the sensor assembly is coupled to the GGI and senses the acceleration and angular rates as seen by the GGI. Thus, outputs from the GGI can be corrected more effectively using the sensor assembly's outputs.
摘要翻译：提供了一种用于辅助重力梯度计的加速度计和速率传感器封装。加速度计和速率传感器封装直接安装在重力梯度仪（GGI）上或内。来自传感器的输出可用于减少可能与GGI耦合的角旋转速率，角加速度和线性加速度引起的不必要的噪声。由于传感器组件直接安装在GGI上或传感器组件内，所以传感器组件与GGI相连，并且可以感测GGI所看到的加速度和角速率。因此，可以使用传感器组件的输出更有效地校正GGI的输出。

6. 发明申请

US20060036367A1 Method and system for processing geophysical survey data 有权
公开(公告)号：US20060036367A1
公开(公告)日：2006-02-16
申请号：US10916312
申请日：2004-08-11
申请人： James Brewster
发明人： James Brewster
IPC分类号： G01V1/28
CPC分类号： G01V11/00
摘要： A method and system for processing geophysical survey data is provided. Gravity gradiometry data is processed by approximating density values of terrain signals to remove contributions of the terrain from the gravity gradiometry data. Initially, a predicted gravity gradient data set for a geographical area is calculated using terrain data with unit density. Next, a mathematical transformation is applied to recorded gravity gradiometer data of the geographical area and the predicted gravity gradiometry data. The transformation divides the data into component sub-functions so that each component function can be processed separately. The component sub-functions are processed to estimate densities of the geographical area. Then, using all the estimated densities, gravity gradients due to all of the terrain can be calculated, and subtracted from the recorded gravity gradient signals to reveal gravity gradients due to subsurface masses, for example.

7. 发明申请

US20060004519A1 Method and system for synchronizing geophysical survey data 失效
公开(公告)号：US20060004519A1
公开(公告)日：2006-01-05
申请号：US10876157
申请日：2004-06-24
申请人： David Humphrey , John Brett
发明人： David Humphrey , John Brett
IPC分类号： G06F19/00
CPC分类号： G01V7/16
摘要： A method and system for synchronizing geophysical survey data is provided. Detection of geophysically significant subsurface anomalies potentially associated with ore bodies or hydrocarbon deposits can be made by vehicle mounted surface or airborne regional gravitational studies. Recorded geophysical survey data is processed to synchronize data collected by various sensors. Data from the various sensors is synchronized based on position coordinates corresponding to locations where the data was collected. In this manner, at one specific location on Earth, the electromagnetic reading, magnetometer reading, gravimeter reading, and altimeter reading can all be associated together so that many characteristics of the specific location can be identified.

8. 发明授权

US07788975B2 Accelerometer and rate sensor package for gravity gradiometer instruments 有权
标题翻译：用于重力梯度仪的加速度计和速率传感器包
公开(公告)号：US07788975B2
公开(公告)日：2010-09-07
申请号：US12166989
申请日：2008-07-02
申请人： John Brett , James Brewster
发明人： John Brett , James Brewster
IPC分类号： G01V7/00
CPC分类号： G01V7/00 , G01P1/023 , G01P15/18
摘要： An accelerometer and rate sensor package to aid gravity gradiometers is provided. The accelerometer and rate sensor package is mounted directly on or within a gravity gradiometer instrument (GGI). Outputs from the sensors can be used to reduce unwanted noise due to angular rotational rates, angular accelerations and linear accelerations that may be coupled to the GGI. Since the sensor assembly is directly mounted on or within the GGI, the sensor assembly is coupled to the GGI and senses the acceleration and angular rates as seen by the GGI. Thus, outputs from the GGI can be corrected more effectively using the sensor assembly's outputs.
摘要翻译：提供了一种用于辅助重力梯度计的加速度计和速率传感器封装。加速度计和速率传感器封装直接安装在重力梯度仪（GGI）上或内。来自传感器的输出可用于减少可能与GGI耦合的角旋转速率，角加速度和线性加速度引起的不必要的噪声。由于传感器组件直接安装在GGI上或传感器组件内，所以传感器组件与GGI相连，并且可以感测GGI所看到的加速度和角速率。因此，可以使用传感器组件的输出更有效地校正GGI的输出。

9. 发明授权

US07542850B2 Method and system for synchronizing geophysical survey data 失效
标题翻译：同步地球物理测量数据的方法和系统
公开(公告)号：US07542850B2
公开(公告)日：2009-06-02
申请号：US10876157
申请日：2004-06-24
申请人： David Humphrey , John Brett
发明人： David Humphrey , John Brett
IPC分类号： G01V3/00 , G01V3/16
CPC分类号： G01V7/16
摘要： A method and system for synchronizing geophysical survey data is provided. Detection of geophysically significant subsurface anomalies potentially associated with ore bodies or hydrocarbon deposits can be made by vehicle mounted surface or airborne regional gravitational studies. Recorded geophysical survey data is processed to synchronize data collected by various sensors. Data from the various sensors is synchronized based on position coordinates corresponding to locations where the data was collected. In this manner, at one specific location on Earth, the electromagnetic reading, magnetometer reading, gravimeter reading, and altimeter reading can all be associated together so that many characteristics of the specific location can be identified.
摘要翻译：提供了一种用于同步地球物理测量数据的方法和系统。可以通过车载表面或机载区域引力研究来检测潜在的与矿体或碳氢化合物沉积相关的地球物理意义重大的地下异常现象。处理记录的地球物理测量数据以同步各种传感器收集的数据。基于与收集数据的位置相对应的位置坐标来同步来自各种传感器的数据。以这种方式，在地球上的一个特定位置，电磁读数，磁力计读数，重力计读数和高度计读数都可以相关联，以便可以识别特定位置的许多特征。

10. 发明申请

US20070010946A1 Method and system for geophysical data acquisition on an airship 有权
公开(公告)号：US20070010946A1
公开(公告)日：2007-01-11
申请号：US11177633
申请日：2005-07-08
申请人： John Macfarlane , John Brett
发明人： John Macfarlane , John Brett
IPC分类号： G06F19/00
CPC分类号： G01V7/16
摘要： A geophysical survey is conducted, using specialized instruments, to measure the gravity field by flying over a terrain of interest. A series of nominally parallel survey lines can be flown until a total region to be surveyed has been covered. The geophysical survey data is collected using an airship or self-propelled lighter-than-air craft sometimes referred to as a dirigible or blimp. In particular, a rigid airship may be used, that includes all extensions, like fins and a control car, attached to a rigid frame.

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