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    • 4. 发明专利
    • Liquid crystal based polarimetric device, calibration method of the polarimetric device, and polarimetric measurement method
    • 基于液晶的极化器件,极化器件的校准方法和极化测量方法
    • JP2004271510A
    • 2004-09-30
    • JP2003354750
    • 2003-10-15
    • Centre National De La Recherche ScientifiqueEcole Polytechエコール ポリテクニクサーントル ナスィヨナル ドゥ ラ ルシェルシュ スイヤンティフィック
    • DREVILLON BERNARDDE MARTINO ANTONELLO
    • G01J4/04G01N21/21G02F1/13
    • G01J4/04G01N21/211
    • PROBLEM TO BE SOLVED: To provide a polarimetric device having one or more of modulation of polarized light without using a mechanical moving member, providing of a sufficiently extensive acceptable angle in an application to image formation, a simple and compact design including optimization for error propagation, and rapid data acquisition of real-time measurement.
      SOLUTION: This device comprises a polarization state generator 4 including a polarizer 5 for linearly polarizing an incident light beam 2 along the polarization direction in an exciting area 1 for emitting optical beam, a polarization state detector 8 including an analyzer 9 and a detection means 10, and a processing device 11. The polarization state generator 4 (PSG) and the polarization state detector 8 (SPD) each has a first and a second liquid crystal elements 13 and 14. Each LCj element 13 of the PSG has an extraordinary axis making an angle θj with respect to the polarization direction, and a phase retardation δj between its ordinary and extraordinary axes. Each liquid crystal element 14 is positioned in reverse order in the PSG with respect to each LCj element of the PSG, with θ'j equal to θj, and a retardation δ'j equal to -δj.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:为了提供具有一个或多个调制偏振光而不使用机械移动构件的偏振装置,在图像形成的应用中提供足够广泛的可接受的角度,包括优化的简单且紧凑的设计 用于误差传播和快速数据采集实时测量。 解决方案:该装置包括:偏振态发生器4,其包括用于在用于发射光束的激励区域1中沿着偏振方向线性偏振入射光束2的偏振器5;偏振状态检测器8,包括分析器9和 检测装置10和处理装置11.偏振态发生器4(PSG)和偏振态检测器8(SPD)各自具有第一和第二液晶元件13和14.PSG的每个LCj元件13具有 非常轴相对于偏振方向产生角度θj,以及其普通和非常轴之间的相位延迟δj。 相对于PSG的每个LCj元件,每个液晶元件14以相反的顺序位于PSG中,其中θ'j等于θj,延迟δ'j等于-δj。 版权所有(C)2004,JPO&NCIPI
    • 7. 发明申请
    • Ultra-Low Power Multicore Architecture For Parallel Biomedical Signal Processing
    • 用于并行生物医学信号处理的超低功耗多核架构
    • WO2013136259A3
    • 2014-10-30
    • PCT/IB2013051929
    • 2013-03-12
    • ECOLE POLYTECH
    • DOGAN AHMED YASIRCONSTANTIN JEREMYBURG ANDREASATIENZA ALONSO DAVID
    • G06F15/167G06F12/06G06F15/78
    • G06F15/167
    • A multi-core architecture with ultra-low power consumption is needed for a wide variety of applications, especially in the bio-medical domain. In this patent, an ultra-low power multi-core architecture is presented: it is composed of one or more cores, several (one or more] shared multi-banked instruction and data memories, and flexible crossbar interconnects. The interconnect includes a selective broadcasting mechanism, enabling coordinated multiple accesses to the shared memories, thus energy savings in the memory hierarchy and in the interconnects. The memory hierarchy enables power gating of the unused banks to lower leakage power. The core instruction set of the novel architecture has been customized to exploit the specific features of bio-signal events, as well as the highly parallel computation opportunities of bio-signal processing characteristics. In addition to near threshold computing, the proposed architecture also exploits other advanced low-power features, which lead to further energy savings. The architecture has a synchronization method and unit that allows power- efficient handling of data dependencies when code is parallelized across the multiple processing cores.
    • 需要具有超低功耗的多核架构用于各种应用,特别是在生物医学领域。 在该专利中,提出了一种超低功耗多核架构:其由一个或多个核,多个(一个或多个)共享多组指令和数据存储器以及灵活的交叉互连构成,互连包括选择性 广播机制,实现对共享存储器的多次访问,从而节省存储器层次结构和互连中的能量,存储器层次结构使得未使用的存储体的电源门控能够降低漏电功率,新型架构的核心指令集已被定制 利用生物信号事件的具体特征,以及生物信号处理特性的高度并行计算机会,除临近阈值计算外,所提出的架构还利用了其他先进的低功耗特性,从而进一步提高能量 该架构具有同步方法和单元,可以在c。时进行数据依赖的高效处理 ode在多个处理核心之间并行化。