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公开(公告)号：US5724270A
公开(公告)日：1998-03-03
申请号：US703235
申请日：1996-08-26
CPC分类号： G06K9/0057 , G06F17/14
摘要： Wave-number-frequency adaptive beamforming using a reduced rank k-.omega. matrix method. A spatial Fourier transform of the narrowband receiver outputs for the sensors in a linear array is taken to enter the wave number space and generate M independent spatial wave number beams w. The spatial FFT outputs are used to form the entries in a matrix of eigenvectors, wherein the k-th eigenvector represents a set of spatial convolution coefficients. The spatial wave number beams are weighted in an adaptation process by the spatial convolution coefficients to form a beam steered in the direction of a k-th signal source.
摘要翻译： 波数频率自适应波束成形使用降级k-ω矩阵法。 采用线性阵列中的传感器的窄带接收机输出的空间傅里叶变换进入波数空间，并产生M个独立的空间波数束w。 空间FFT输出用于在特征向量的矩阵中形成条目，其中第k个特征向量表示一组空间卷积系数。 空间波数束在适应过程中通过空间卷积系数进行加权，以形成沿第k个信号源的方向转向的波束。
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公开(公告)号：US5099418A
公开(公告)日：1992-03-24
申请号：US538349
申请日：1990-06-14
IPC分类号： G06F9/44
CPC分类号： G06F9/4436
摘要： A data driven method for coordinating the processing of arithmetic tasks in a multiple computer system having a multiplicity of arithmetic processors by determining whether an arithmetic task is in a blocked condition or is in an execution ready condition. A source distributed processor stores data in a local memory for processing by a local processor and then transfers the processed data to a global memory for buffering in preparation for subsequent processing by a destination distributed processor. The source distributed processor generates a produce message to a destination distributed processor to indicate that the data to be transferred is available in a buffer in the global memory. The destination distributed processor loads the data to be transferred from the buffer in the global memory and then generates a consume message to the source distributed processor to indicate that the data has been transferred from the global memory and the buffer in the global memory is now available.
摘要翻译： 一种数据驱动方法，用于通过确定算术任务是处于阻塞状态还是处于执行就绪状态来协调具有多个算术处理器的多计算机系统中的算术任务的处理。 源分布式处理器将数据存储在本地存储器中用于由本地处理器进行处理，然后将处理的数据传送到全局存储器以进行缓冲，以准备由目标分布式处理器进行后续处理。 源分布式处理器向目标分布式处理器生成产生消息，以指示待传输的数据在全局存储器中的缓冲器中可用。 目的地分布式处理器将要从全局存储器中的缓冲区传送的数据加载，然后生成消息消息到源分布式处理器，以指示数据已经从全局存储器传输，并且全局存储器中的缓冲区现在可用 。
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公开(公告)号：US5528554A
公开(公告)日：1996-06-18
申请号：US39600
申请日：1993-03-22
CPC分类号： G01S7/52004 , G01S15/8902 , G01V1/20
摘要： A method for compensating for lateral distortion in a moving linear array using a frequency domain beamformer, comprising the steps of measuring the instantaneous lateral distortion of the linear array at discrete points along the array, corresponding to array element locations, calculating a shading weight for each of the discrete points along the array, corresponding to array element locations based on the instantaneous lateral distortion at each said point and calculating the compensated beam magnitude by multiplying said shading weight into the frequency domain beamformer equation.
摘要翻译： 一种用于使用频域波束形成器来补偿运动线性阵列中的横向失真的方法，包括以下步骤：对应于阵列元件位置，沿着阵列的离散点测量线性阵列的瞬时横向失真，计算每个 沿着阵列的离散点，基于每个所述点处的瞬时横向失真对应于阵列元素位置，并通过将所述阴影权重乘以频域波束形成方程来计算补偿的波束幅度。
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