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    • 3. 发明公开
    • 포지티브 피드백을 이용한 센싱 시스템
    • 使用正反馈的感应系统
    • KR1020160112142A
    • 2016-09-28
    • KR1020150037281
    • 2015-03-18
    • 주식회사 지파랑
    • 최성욱박영준황용준
    • G01N21/59G01N15/06G01N33/18
    • G01J1/44G01J2001/446G01N21/33G01N21/49G01N21/63G01N33/18G01N2201/12G01N21/5907G01N15/06G01N2021/5919
    • 본실시예에의한센싱시스템은검출물질에자극을인가하는액츄에이터(actuator)와, 자극이인가된검출물질의농도에따라형성되는광학적반응에상응하여스냅백(snapback) 형태를가지는전기적신호를출력하는광 검출기(photo-detector)와, 광검출기가출력하는전기적신호를증폭하고, 증폭된전기적신호를광학적액츄에이터에포지티브피드백(positive feedback)하여인가하는증폭기(amplifier)와, 전기적신호를인가받아검출물질을검출하는검출부및 광검출기와병렬로연결되어광 검출기양단의전압이미리정하여진전압값을벗어나지않도록클램핑하는전압클램핑소자를포함한다.
    • 根据本发明的实施例,感测系统包括:致动器,其向检测材料施加刺激; 光电检测器,其通过对应于根据施加刺激的检测材料的浓度形成的光学响应来输出具有回跳现象的电信号; 放大器,放大从光电检测器输出的电信号,通过正反馈将放大的电信号施加到光致动器; 检测部,其通过接收电信号来检测检测材料; 以及并联连接到光电检测器的电压钳位元件,执行钳位以允许光电检测器的两端的电压不超出预定电压值。 因此,本发明获得了光电检测器的可靠操作,因为不需要从光电检测器接收足够的电流的过度反向电压的应用。
    • 6. 发明授权
    • 황사 계측 방법
    • 测量黄砂的方法
    • KR100785630B1
    • 2007-12-12
    • KR1020060071846
    • 2006-07-31
    • 부산대학교 산학협력단
    • 김재환
    • G01W1/00
    • G01W1/08G01N21/47G01N21/63G06T7/97
    • A method for measuring yellow sand is provided to improve measurement errors generated in detecting yellow by using an infrared ray wavelength region, and to allow easy access to the information about yellow sand. A method for measuring yellow sand comprises the steps of: expressing the data of images taken by a satellite at IR channels of 3.7, 11 and 12 micrometers in any region having yellow sand into the form of brightness temperature data of BT1K, BT2K and BT3K; calculating the difference in brightness temperature between the 11 micrometer channel and 12 micrometer channel, and between the 3.7 micrometer channel and 11 micrometer channel from the data obtained in the preceding step according to the formulae of BTD1= (BT2- BT3) and BTD2= (BT1- BT2); correcting BTD1 and BTD2 by using an atmospheric radiation model considering the factors affecting the IR channel, including the ground surface temperature, energy emission of the ground surface, the spectrometric sensitivity function of each IR channel sensor, and the zenith angles of the satellites; extracting the data belonging to the ranges of -3 K
    • 提供一种测量黄沙的方法,以改善通过使用红外线波长区域检测黄色时产生的测量误差,并且允许容易地获取关于黄沙的信息。 测量黄沙的方法包括以下步骤:在具有黄沙的任何区域中,将具有3.7,11和12微米IR信道的卫星拍摄的图像的数据表示为BT1K,BT2K和BT3K的亮度温度数据; 根据BTD1 =(BT2-BT3)和BTD2 =(BT2-BT3)的公式,从前述步骤获得的数据计算11微米通道和12微米通道之间以及3.7微米通道与11微米通道之间的亮度温度差, BT1-BT2); 通过考虑影响IR通道的因素,包括地面温度,地表能量发射,每个IR通道传感器的光谱灵敏度函数和卫星的天顶角,使用大气辐射模型校正BTD1和BTD2。 从校正的BTD1和BTD2提取属于-3 K <= BTD1 <= 0 K和0 K <= BTD2 <= 45 K范围的数据,以消除云的影响; 将BTD1和BTD2的数据转换为0到100之间的数值,并将数据表示为每个陆地区域和海域的黄色砂指数。