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    • 1. 发明授权
    • Spectrometry using an optical parametric oscillator
    • 光谱参考振荡器
    • US5657119A
    • 1997-08-12
    • US382261
    • 1995-02-01
    • Shuichi KawasakiRandall J. LaneChung L. Tang
    • Shuichi KawasakiRandall J. LaneChung L. Tang
    • G01N21/17G01J3/00G01J3/10
    • G01N21/171G01N2021/1712
    • A thermal lens spectrometer utilizes a continuously tunable optical parametric oscillator (OPO) to provide practical, easy-to-build, reliable spectrometer for measuring a wide variety of sample materials over a wide spectral range. A flow cell is placed in the path of the output beam from a tunable optical parametric oscillator, and material to be analyzed is placed in the cell. A laser probe beam is also directed into the cell coaxially with the OPO output beam. The OPO output beam acts as a pump, and the output probe beam from the cell is directed to an intensity sensor. The OPO is tuned over a selected frequency range, under computer control, for example, to produce an output probe beam having an intensity representing the spectral response of the material to be analyzed.
    • 热透镜光谱仪利用连续可调光参量振荡器(OPO)提供实用,易于构建的可靠的光谱仪,用于在宽光谱范围内测量各种样品材料。 将流动池放置在来自可调谐光学参量振荡器的输出光束的路径中,并将要分析的材料放置在单元中。 激光探针光束也被引导到与OPO输出光束同轴的单元中。 OPO输出光束用作泵,来自单元的输出探测光束被引导到强度传感器。 例如,在计算机控制下,将OPO调谐在选定的频率范围上,以产生具有表示待分析材料的光谱响应的强度的输出探测光束。
    • 7. 发明授权
    • Telescope and movement control device
    • 望远镜和运动控制装置
    • US06519084B1
    • 2003-02-11
    • US09763022
    • 2001-02-15
    • Shuichi Kawasaki
    • Shuichi Kawasaki
    • G02B2300
    • G02B7/183B64G1/283B64G1/66G02B23/16H01Q1/12H01Q1/125H01Q1/288H01Q3/08H01Q19/19
    • A telescope is constructed so that inertia force caused when the telescope is moved is canceled to thereby eliminate any influence on a space station, artificial satellite or the like. When a telescope body (1) rotates around an axis (X) in a direction (&agr;1), counter weights (6a, 6b) are driven by a rotator drive (10) so as to rotate in a direction (&agr;2) which is reverse to the direction (&agr;1), so that the inertia force caused is canceled. Also, when the telescope body (1) rotates around an axis (Y) in a direction (&bgr;1), counter weights 8a, 8b are rotated in a direction (&bgr;2), which is reverse to the direction (&bgr;1) so that the inertia force caused is canceled.
    • 望远镜被构造成使得望远镜移动时产生的惯性力被消除,从而消除对空间站,人造卫星等的任何影响。 当望远镜本体(1)沿着(α1)方向围绕轴线(X)旋转时,相对重物(6a,6b)由转子驱动器(10)驱动,以便沿相反方向(α2)旋转 到方向(α1),使得引起的惯性力被取消。 此外,当望远镜本体(1)沿着(β1)方向围绕轴线(Y)旋转时,相对重物8a,8b沿与方向(β1)相反的方向(β2)旋转,使得惯性 造成的力量被取消。
    • 8. 发明授权
    • Vibration detection and reduction system and vibration sensors for use
in micro-gravity environment
    • 用于微重力环境的振动检测和还原系统和振动传感器
    • US5571969A
    • 1996-11-05
    • US59753
    • 1993-05-12
    • Shuichi Kawasaki
    • Shuichi Kawasaki
    • B64G1/22B64G1/36B64G1/38G01H9/00G01P15/093G01P15/18G05D19/02G10K11/178G01H11/00
    • G01H9/00B64G1/22B64G1/36B64G1/38G01P15/093G01P15/18G05D19/02G10K11/1788G10K2210/129G10K2210/3025G10K2210/3029G10K2210/3038G10K2210/3212G10K2210/501
    • The invention is to detect vibrations which would destroy a micro-gravity environment, to grasp factors of the vibrations, to detect and grasp a position and a scale of meteoroid/debris collisions, and to establish a counter-measure. Vibration sensors are disposed in a matrix array on a vibrating body placed in a micro-gravity environment. A computer analyzes a spectrum of the vibration, in a neural network section a vibration source is specified on the basis of the analyzed spectra, in a fuzzy control section, actuators are driven so as to reduce harmful vibrations in response to the vibration energy and the energy source specified by the neural network section, and if necessary, a vibration factor is eliminated. The computer takes in the result of driving for the actuators, the results are learnt in the neural network section and in the fuzzy control section to be ready for generation of vibrations at the next time. The vibration sensor comprises a reflector or a transparent refractor disposed as floating in a micro-gravity space, output means fixed to the vibrating body for emitting energy towards the reflector or transparent refractor, and a receiver fixed to the vibrating body for receiving energy sent from the reflector or transparent refractor and measuring the nature of vibrations of the vibrating body on the basis of movement of the reflected or permeated energy.
    • 本发明是为了检测将破坏微重力环境的振动,掌握振动因素,检测和掌握流星体/碎片碰撞的位置和尺度,并建立对策。 振动传感器以矩阵阵列布置在放置在微重力环境中的振动体上。 计算机分析振动频谱,在神经网络部分中,基于分析的光谱指定振动源,在模糊控制部分中,致动器被驱动以减少响应于振动能量的有害振动,并且 由神经网络部分指定的能量源,并且如果需要,消除振动因子。 计算机接收致动器的驱动结果,结果在神经网络部分和模糊控制部分中被学习以准备好在下一次产生振动。 所述振动传感器包括设置为浮置在微重力空间中的反射器或透明折射器,固定到所述振动体的输出装置,用于向所述反射器或透明折射器发射能量,以及固定到所述振动体的接收器,用于接收从 反射器或透明折射器,并且基于反射或渗透能量的运动来测量振动体的振动性质。
    • 9. 发明授权
    • Ultrasonic doppler imaging apparatus and method with blood velocity waveform processing
    • 超声多普勒成像装置及血流速度波形处理方法
    • US08523776B2
    • 2013-09-03
    • US12140607
    • 2008-06-17
    • Tatsuro BabaMuneki KataguchiKazuya AkakiShuichi Kawasaki
    • Tatsuro BabaMuneki KataguchiKazuya AkakiShuichi Kawasaki
    • A61B8/06
    • A61B8/06A61B5/0402A61B5/7257
    • Transmitting and receiving ultrasound with repetition frequency that corresponds to velocity range indicating the measurable velocity to and from a diagnostic site that contains moving fluid within a body to be examined. Generating Doppler spectrum image showing velocity of moving fluid based on signals obtained from transmission and reception of ultrasound. Storing modeled value based on model correlating standard blood velocity waveform with an ECG waveform. Calculating measured blood velocity waveform based on spectrum image of a specified patient. Acquiring ECG waveform at timing corresponding to measured blood velocity waveform. Estimating blood velocity waveform excluding effects of valve signals of patient based on measured blood velocity waveform, ECG waveform, and modeled value. Comparing measured blood velocity waveform with estimated blood velocity waveform, to exclude excess parts of the difference over a threshold from measured blood velocity waveform, and to interpolate excluded parts of measured blood velocity waveform.
    • 发射和接收超声波,其重复频率对应于速度范围,其指示来自诊断部位的测量速度,该诊断部位包含待检体内的运动流体。 基于从超声波发射和接收获得的信号产生显示移动流体速度的多普勒频谱图像。 基于将标准血液速度波形与ECG波形相关联的模型存储建模值。 根据指定患者的光谱图像计算测量的血液速度波形。 在对应于测量的血液速度波形的定时获取ECG波形。 基于测量的血液速度波形,ECG波形和建模值,估计不同于患者瓣膜信号影响的血液速度波形。 将测量的血液速度波形与估计的血液速度波形进行比较,以从测量的血液速度波形中排除超过阈值的多余部分,并且内插测量的血液速度波形的排除部分。