A microwave radiometer signal source temperature control instrument is composed of a temperature control circuit of the utility model is characterized in that the front panel (1), after the panel (5), a base (9) and bottom (10) a multi band shell temperature control instrument, temperature control is installed in the casing and the temperature measuring circuit board (3), the data acquisition terminal plate (4), a power supply device (11), shell (12), wherein the connection substrate temperature control and temperature measurement circuit board (3), a power supply device (11) substrate and shell connection (12) between the conductors, the front panel (1) installed multi band heating current display table (2), (13) temperature control potentiometer and multi band microwave signal source heating (14), multi band microwave signal source of ambient temperature fine tuning knob (15), multi band micro Wave signal source reference temperature setting knob (16), the multi band heating current display table (2), temperature control potentiometer circuit board (13), multi band microwave signal source heating (14), multi band microwave signal source of ambient temperature fine tuning knob (15) and the shell (12) between the substrate connection wire connection on the rear panel (5) installed on the computer data acquisition interface board (6) and a microwave radiometer interface (7) and a microwave signal source port (8), in which the computer data acquisition interface board (6) and (4) a data acquisition connection, data acquisition board (4) and a microwave radiometer interface (7) connected to a microwave signal source interface connection (8) substrate and shell connection (12) between the wires.
【技术实现步骤摘要】
本技术属于无源微波遥感仪器领域中的微波辐射计灵敏度及准确度测试装置中微波信号源的控制仪。(二)技术背景本技术之前,微波辐射计所使用的信号源有固态噪声源、液氮液氦冷源、单波段恒温源。除液氮液氦冷源为将微波匹配负载直接浸入液氮液氦内而不需要控制电路外,固态噪声源只使用一个恒流控制电源,这种恒流电源是用控制通过噪声器件的电流大小的方法来控制固态噪声源的噪声大小。而单波段恒温源是使用如附图说明图1所示的恒温控制电路(此电路采用中国科学院长春地理所1997年申请的“连续加热型环境温度补偿恒温控制装置”专利,专利号ZL97231878.X),测温电路采用如图2所示的中国科学院长春地理所的已有技术。这种方式是通过测温控温电路对微波匹配负载进行温度控制及测量,使得单波段恒温源仅能作为单波段微波测量中的基准源,不能通过这种方式实现对多波段微波信号源的控制和测量,也不能对微波辐射计灵敏度及准确度进行测试。本技术采用如图3所示的结构前面板1、后面板5、底座9、底板10构成多频段温度控制仪的壳体。在壳体内部安装控温及测温电路板3、数据采集接线板4、电源供给装置11、壳体内连线基板12。其中控温及测温电路板3、电源供给装置11与壳体内连线基板12之间有导线连接。在前面板1上安装多波段加热电流显示表2、控温电位器13、多波段微波信号源加热键14、多波段微波信号源环境温度微调旋钮15、多波段微波信号源参考温度设定旋钮16。其中多波段加热电流显示表2,控温电位器电路板13、多波段微波信号源加热键14、多波段微波信号源环境温度微调旋钮15都与壳体内连线基板12之间有导线连接。在后面板 ...
【技术保护点】
【技术特征摘要】
【专利技术属性】
技术研发人员:董航,刘宝江,
申请(专利权)人:中国科学院长春地理研究所,
类型:实用新型
国别省市:
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