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    • 2. 发明授权
    • Dynamic graphics geometry preprocessing frequency scaling and prediction of performance gain
    • 动态图形几何预处理频率缩放和性能增益预测
    • US09395796B2
    • 2016-07-19
    • US14134934
    • 2013-12-19
    • Linda L. HurdPaul A. Johnson
    • Linda L. HurdPaul A. Johnson
    • G06T15/00G06F1/32G06T15/10G06T17/10
    • G06F1/324G06F1/3203G06T15/10G06T17/10Y02D10/126
    • Technologies are presented that optimize graphics processing performance. A method of frequency scaling may include beginning a graphics workload with a starting geometry preprocessing frequency of a multiple of a streaming shader engine frequency where the multiple is non-zero; determining a primitive start pitch for a primitive of the graphics workload; comparing the determined primitive start pitch to a predetermined threshold and, if it exceeds the predetermined threshold: reducing the geometry preprocessing frequency, and, at the start of the next primitive, setting the geometry preprocessing frequency back to the starting geometry preprocessing frequency; and repeating the determining and comparing for each remaining primitive until an end of the graphics workload. Performance gain based on primitive start pitch information may also be determined.
    • 提出了优化图形处理性能的技术。 频率缩放的方法可以包括以多个不为零的流式着色器引擎频率的倍数的起始几何预处理频率开始图形工作负载; 确定图形工作负载的原语的原始起始音高; 将所确定的原始开始音调与预定阈值进行比较,并且如果它超过预定阈值:减小几何预处理频率,并且在下一个原语开始时将几何预处理频率设置回到起始几何预处理频率; 并重复确定和比较每个剩余的原语,直到图形工作负载的结束。 还可以确定基于原始开始音调信息的性能增益。
    • 3. 发明授权
    • Fluid delivery system with multi-dose fluid source
    • 具有多剂量流体源的流体输送系统
    • US08747356B2
    • 2014-06-10
    • US12742928
    • 2008-11-19
    • Robin C. CockerPaul A. Johnson
    • Robin C. CockerPaul A. Johnson
    • A61B18/14A61M39/00
    • A61M5/31511A61B6/548A61M5/007A61M5/14546A61M5/16827A61M2005/14553A61M2005/3117A61M2005/3128
    • A fluid delivery system (400A) is generally directed to allowing fluid sources or other fluid delivery components to be reused with multiple fluid targets (318), and includes at least one fluid source (314) fluidly interconnectable with at least one sterilization zone (316) and at least one fluid target (318). This sterilization zone (316) could include one or more sterilization systems that attempt to neutralize contaminants entering the fluid delivery system (400A) by a backflow from the fluid target (318). One such sterilization system (500A-D) includes a container (502a-d) and a flush system (520) for sterilizing the container (502a-d) between uses. Another sterilization system (600) includes a flowpath (604) exposed to an output of an energy source (602) capable of destroying contaminants. Yet another sterilization system could include a sterilizing substance (710) that engages and moves along an interior surface (705) of a housing (704) to treat contamination thereon.
    • 流体输送系统(400A)通常被引导以允许流体源或其它流体输送部件与多个流体靶(318)重复使用,并且包括至少一个与至少一个灭菌区(316)流体连接的流体源(314) )和至少一个流体靶(318)。 该灭菌区(316)可以包括一个或多个灭菌系统,其尝试通过来自流体靶(318)的回流来中和进入流体输送系统(400A)的污染物。 一种这样的灭菌系统(500A-D)包括用于在使用之间对容器(502a-d)进行灭菌的容器(502a-d)和冲洗系统(520)。 另一种消毒系统(600)包括暴露于能够破坏污染物的能量源(602)的输出的流路(604)。 另一个灭菌系统可以包括消毒物质(710),其与壳体(704)的内表面(705)接合并移动以处理污染物。
    • 5. 发明申请
    • SYSTEM AND METHOD TO ESTIMATE COMPRESSIONAL TO SHEAR VELOCITY (VP/VS) RATIO IN A REGION REMOTE FROM A BOREHOLE
    • 评估压缩速度的系统和方法(VP / VS)在距离一个地区的一个地区远
    • US20100265794A1
    • 2010-10-21
    • US12463796
    • 2009-05-11
    • Paul A. JohnsonCung VUJames A. TenCateRobert GuyerPierre-Yves Le BasKurt T. NiheiDenis P. SchmittChristopher Skelt
    • Paul A. JohnsonCung VUJames A. TenCateRobert GuyerPierre-Yves Le BasKurt T. NiheiDenis P. SchmittChristopher Skelt
    • G01V1/48
    • G01V1/44G01V1/006G01V2210/125G01V2210/127G01V2210/588
    • In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes arranging a first source in the borehole and generating a steered beam of elastic energy at a first frequency; arranging a second source in the borehole and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location away from the borehole; receiving at the borehole by a sensor a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole; determining a location of a three wave mixing region based on the arrangement of the first and second sources and on properties of the third wave signal; and creating three-dimensional images of the non-linear properties using data recorded by repeating the generating, receiving and determining at a plurality of azimuths, inclinations and longitudinal locations within the borehole. The method is additionally used to generate three dimensional images of the ratio of compressional to shear acoustic velocity of the same volume surrounding the borehole.
    • 在本公开的一些方面,公开了一种用于使用输送的测井工具在远离钻孔的区域中创建非线性特性的三维图像和压缩剪切速度比的方法。 在一些方面,该方法包括在钻孔中布置第一源并且以第一频率产生具有弹性能的转向束; 在钻孔中布置第二源,并在第二频率处产生可转向的弹性能量束,使得在第一频率处的可转向波束和第二频率处的可操纵波束在远离钻孔的位置处截取; 在钻孔处由传感器接收由三波混合过程产生的第三弹性波,其频率等于第一和第二频率之间的差异以及朝向钻孔传播的方向; 基于第一和第二源的布置以及第三波信号的特性来确定三波混频区域的位置; 以及使用通过重复生成,接收和确定钻孔内的多个方位角,倾斜度和纵向位置而记录的数据来创建非线性性质的三维图像。 该方法另外用于产生围绕钻孔的相同体积的压缩与剪切声速之比的三维图像。
    • 7. 发明授权
    • System and method for optimizing cache memory utilization by selectively
inhibiting loading of data
    • 通过选择性地禁止数据加载来优化缓存存储器利用的系统和方法
    • US5293608A
    • 1994-03-08
    • US688189
    • 1991-04-19
    • Paul A. JohnsonThomas W. Ryan
    • Paul A. JohnsonThomas W. Ryan
    • G06F12/08
    • G06F12/0866G06F12/0888
    • A system and method for optimizing the utilization of a cache memory in an input/output controller in a computer system which also includes a central processing unit and a plurality of direct access storage devices. The optimizing system calculates a demotion time where the demotion time is an approximation of the length of time that a track of data will reside in the cache memory in the input/output controller after its last input/output request from the central processing unit. The optimizing system further intercepts an input/output request from the central processing unit for a requested track of data, determines an elapsed time between successive input/output requests from the central processing unit for the requested track of data, determines whether the elapsed time is greater than the demotion time and optimizes the requested track of data by inhibiting the requested track of data from being loaded into the cache memory if the elapsed time is greater than the demotion time.
    • 一种用于优化计算机系统中还包括中央处理单元和多个直接存取存储设备的输入/输出控制器中的高速缓冲存储器的利用率的系统和方法。 优化系统计算降级时间,其中降级时间是在来自中央处理单元的最后输入/输出请求之后数据轨迹将驻留在输入/输出控制器中的高速缓冲存储器中的时间长度的近似值。 该优化系统进一步拦截来自中央处理单元的针对所请求的数据轨迹的输入/输出请求,确定来自中央处理单元对于所请求的数据轨迹的连续输入/输出请求之间的经过时间,确定经过时间是否为 大于降级时间,并且如果所经过的时间大于降级时间,则通过禁止所请求的数据轨迹被加载到高速缓冲存储器中来优化所请求的数据轨迹。
    • 8. 发明授权
    • Microwave camera
    • 微波相机
    • US5121124A
    • 1992-06-09
    • US694098
    • 1991-05-01
    • Brett A. SpiveyPaul A. JohnsonAlex ShekChester Phillips
    • Brett A. SpiveyPaul A. JohnsonAlex ShekChester Phillips
    • G01P3/36G01P5/00G01R29/08G01S3/02G01S7/486G01S17/58G01S17/95G02F1/09H01Q19/17
    • H01Q19/175G01R29/0892G01S17/58G01S17/95G01S7/486G02F1/09
    • A camera system in which microwave radiation from objects in a field-of-view is collected by an antenna having a beam direction which is a function of the beam frequency. The collected radiation is analyzed to produce an image of the objects in the field-of-view. In a simple embodiment of the invention a one dimensional image is produced. This one dimensional image can be converted to a two dimensional image by rotating the camera system or mounting the camera on a moving platform. In a preferred embodiment of the present invention the microwave radiation collected by the antenna is converted into electronic acoustic signals which sets up a diffraction pattern in a Bragg cell to diffract a laser beam which is focused on a television camera to produce one dimensional image of the field-of-view. The antenna can be scanned to produce a two dimensional image. In another preferred embodiment an array of antennas and a multi-channel Bragg cell is used to produce a two dimensional real time image. The camera is capable of imaging objects through media such as wooden walls which are transparent to microwaves but are opaque to visible light.
    • 一种相机系统,其中通过具有作为光束频率的函数的波束方向的天线来收集来自视场中的物体的微波辐射。 分析所收集的辐射以产生在视场中的对象的图像。 在本发明的简单实施例中,产生了一维图像。 通过旋转相机系统或将相机安装在移动的平台上,可以将该一维图像转换为二维图像。 在本发明的优选实施例中,由天线收集的微波辐射被转换成电声信号,其在布拉格单元中建立衍射图案以衍射聚焦在电视摄像机上的激光束,以产生一维图像 视野。 可以扫描天线以产生二维图像。 在另一个优选实施例中,使用天线阵列和多通道布拉格单元来产生二维实时图像。 该相机能够通过诸如对微波透明但对可见光不透明的木质墙壁等介质成像物体。
    • 9. 发明授权
    • Array compensating beamformer
    • 阵列补偿波束形成器
    • US4980870A
    • 1990-12-25
    • US204753
    • 1988-06-10
    • Brett A. SpiveyEdward G. NewmanPaul A. Johnson
    • Brett A. SpiveyEdward G. NewmanPaul A. Johnson
    • G01S3/48
    • G01S3/48
    • A compensating beamformer which requires orders of magnitude fewer calculations that prior art methods. A compensating beamformer is provided which comprises a plurality of sensing elements and a plurality of analog-to-digital converters, for converting incoming analog signals to digital form. Digital signals from at least four such elements are used to compute phase angle information which is combined to form a matrix of input data in the frequency domain. An unweighted steering vector is determined to sample data from the target direction. A corrector matrix is calculated based on input data from sensing elements. That corrector matrix along with its inverse, which is determined recursively, is used in combination with the unweighted steering vector to determine an optimal steering vector. The input data in the frequency domain are then multiplied by the optimal steering vector to obtain signals in the directions of interest. In preferred embodiments of this invention these calculations are repeated systolically to provide optimal steering vector updates on an essentially real-time basis.
    • 一种补偿波束形成器,其需要几个数量级的现有技术方法的计算。 提供了一种补偿波束形成器,其包括多个感测元件和多个模数转换器,用于将输入的模拟信号转换为数字形式。 使用来自至少四个这样的元件的数字信号来计算相位角信息,该相位角信息被组合以形成频域中的输入数据的矩阵。 确定未加权的导向矢量以从目标方向采样数据。 基于来自感测元件的输入数据计算校正矩阵。 与递归确定的校正矩阵一起使用,与未加权的导向矢量组合使用,以确定最佳导向矢量。 然后将频域中的输入数据乘以最佳导向矢量,以获得感兴趣方向的信号。 在本发明的优选实施例中,这些计算被重复地进行重构,以在基本上实时的基础上提供最佳的导向向量更新。