Abstract: The near-infrared radiation absorbing masterbatch provided is prepared by melt-extruding a mixture comprising near-infrared radiation absorbing particles and a first polymer. The particles have a near-infrared absorption at a wavelength ranging from 0.7 ?m to 2 ?m and a far-infrared emissivity equal to or more than 0.85. The near-infrared light radiated by the particles has a wavelength ranging from 2 ?m to 22 ?m. Accordingly, the product made from the masterbatch, such as the near-infrared radiation absorbing fiber, plate, or film can not only absorb sunlight and store heat, but also radiate far-infrared light. Hence, the product has a thermal effect for keeping the human body warm and can serve as indoor and outdoor heat storing products at the same time.

Abstract: Range and Doppler ambiguities are common in radar, lidar, and acoustic systems. Resolving these ambiguities is important to achieve desirable geolocation and image quality performance in these systems. A new method is described to iteratively resolve the ambiguities. For Doppler ambiguity applications, a first PRF value and an initial Doppler frequency search window are selected. A new PRF is determined based on the ratio of the initial search window to the first PRF. The radar data of the first pair of PRF's is used to determine two modulo Doppler estimates. The modulo Doppler estimates are used to determine a new Doppler estimate with a confidence interval smaller than the first search window. The ratio of the new Doppler search window to the first PRF, is used to determine the next PRF. This process is iterated until the new Doppler search window is less than the first PRF.

Abstract: Range and Doppler ambiguities are common in radar, lidar, and acoustic systems. Resolving these ambiguities is important to achieve desirable geolocation and image quality performance in these systems. A new method is described to iteratively resolve the ambiguities. For Doppler ambiguity applications, a first PRF value and an initial Doppler frequency search window are selected. A new PRF is determined based on the ratio of the initial search window to the first PRF. The radar data of the first pair of PRF's is used to determine two modulo Doppler estimates. The modulo Doppler estimates are used to determine a new Doppler estimate with a confidence interval smaller than the first search window. The ratio of the new Doppler search window to the first PRF, is used to determine the next PRF. This process is iterated until the new Doppler search window is less than the first PRF.

Abstract: A system for data compression utilizing systolic array architecture for Vector Quantization (VQ) is disclosed for both full-searched and tree-searched. For a tree-searched VQ, the special case of a Binary Tree-Search VQ (BTSVQ) is disclosed with identical Processing Elements (PE) in the array for both a Raw-Codebook VQ (RCVQ) and a Difference-Codebook VQ (DCVQ) algorithm. A fault tolerant system is disclosed which allows a PE that has developed a fault to be bypassed in the array and replaced by a spare at the end of the array, with codebook memory assignment shifted one PE past the faulty PE of the array.