Millimeter range signals have been widely used in biology and medicine over the 20-30 years of the last century.At this time in Ukraine have been developed and implemented treatment technologies,the main ones are mill...Millimeter range signals have been widely used in biology and medicine over the 20-30 years of the last century.At this time in Ukraine have been developed and implemented treatment technologies,the main ones are millimeter therapy(MMT),microwave resonance therapy(MRT),information-wave therapy(IWT).The features of this technologies are the use of signals in the frequency band 40-78 GHz with extremely low signal levels-10-9-10-11 W/cm2,the parameters are immanent to own communication signals of the human body.The author of the article attempts to conduct a combined analysis of hardware and software of these treatment technologies with mm-band signals.Thus the specialized equipment used for the treatment,technologies and the statistical results of its use for various diseases are considered.The problems of metrological support and measuring the weak signals of the mm range are proposed to solve by creating highly sensitive radiometric systems.The results of measurements of microwave signals of natural objects that can be used for physiotherapy and physical bodies that are in contact with or in human environment are submitted.Promising areas of the using the highly sensitive radiometric measurement equipment for research in biology and medicine are presented.展开更多
通过优化设计材料纵向结构,得到了满足3 mm频段工作的In P外延材料结构,最终采用外延工艺制作了In P外延材料。设计了3 mm频段In P HEMT器件横向结构,确定合适源漏间距和单指栅宽,基于In P外延材料采用自主研发流片工艺,优化了欧姆接触...通过优化设计材料纵向结构,得到了满足3 mm频段工作的In P外延材料结构,最终采用外延工艺制作了In P外延材料。设计了3 mm频段In P HEMT器件横向结构,确定合适源漏间距和单指栅宽,基于In P外延材料采用自主研发流片工艺,优化了欧姆接触工艺,最终制作成功3 mm频段In P HEMT低噪声器件。测试结果表明,在频率为75~110 GHz,Uds为1.2 V,Ugs为-0.1 V时,In P HEMT单胞器件最大增益大于9 d B,噪声系数1.2 d B。展开更多
T/R组件作为收发前端,在相控阵雷达中直接决定雷达整机的成本和性能。8 mm波段收发组件在星载SAR(合成孔径雷达)中有着非常广泛的应用。根据设计指标要求,设计了8 mm波段片式接收组件。组件集成19个射频接收通道,具有电源调制功能、通...T/R组件作为收发前端,在相控阵雷达中直接决定雷达整机的成本和性能。8 mm波段收发组件在星载SAR(合成孔径雷达)中有着非常广泛的应用。根据设计指标要求,设计了8 mm波段片式接收组件。组件集成19个射频接收通道,具有电源调制功能、通道移相衰减功能、通道校准功能。该组件为了实现小型化和集成化,采用波导输入输出,射频垂直互联,小型化波导到微带转换设计。组件的单通道增益大于25 d B,噪声系数小于4 d B,总功耗小于2 W。展开更多
文摘Millimeter range signals have been widely used in biology and medicine over the 20-30 years of the last century.At this time in Ukraine have been developed and implemented treatment technologies,the main ones are millimeter therapy(MMT),microwave resonance therapy(MRT),information-wave therapy(IWT).The features of this technologies are the use of signals in the frequency band 40-78 GHz with extremely low signal levels-10-9-10-11 W/cm2,the parameters are immanent to own communication signals of the human body.The author of the article attempts to conduct a combined analysis of hardware and software of these treatment technologies with mm-band signals.Thus the specialized equipment used for the treatment,technologies and the statistical results of its use for various diseases are considered.The problems of metrological support and measuring the weak signals of the mm range are proposed to solve by creating highly sensitive radiometric systems.The results of measurements of microwave signals of natural objects that can be used for physiotherapy and physical bodies that are in contact with or in human environment are submitted.Promising areas of the using the highly sensitive radiometric measurement equipment for research in biology and medicine are presented.
文摘通过优化设计材料纵向结构,得到了满足3 mm频段工作的In P外延材料结构,最终采用外延工艺制作了In P外延材料。设计了3 mm频段In P HEMT器件横向结构,确定合适源漏间距和单指栅宽,基于In P外延材料采用自主研发流片工艺,优化了欧姆接触工艺,最终制作成功3 mm频段In P HEMT低噪声器件。测试结果表明,在频率为75~110 GHz,Uds为1.2 V,Ugs为-0.1 V时,In P HEMT单胞器件最大增益大于9 d B,噪声系数1.2 d B。
文摘T/R组件作为收发前端,在相控阵雷达中直接决定雷达整机的成本和性能。8 mm波段收发组件在星载SAR(合成孔径雷达)中有着非常广泛的应用。根据设计指标要求,设计了8 mm波段片式接收组件。组件集成19个射频接收通道,具有电源调制功能、通道移相衰减功能、通道校准功能。该组件为了实现小型化和集成化,采用波导输入输出,射频垂直互联,小型化波导到微带转换设计。组件的单通道增益大于25 d B,噪声系数小于4 d B,总功耗小于2 W。
