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专利名称: 一种实现浮动阈值的装置
其他题名: Device capable of achieving floating threshold value
作者: 佟新鑫; 张心宇; 杨光宇; 王玉良; 赵刚; 宫俊玲
所属部门: 光电信息技术研究室
专利权人: 中国科学院沈阳自动化研究所
专利代理: 沈阳科苑专利商标代理有限公司 21002
专利国别: 中国
专利类型: 发明授权
专利状态: 有效
摘要: 本发明涉及一种模拟信号处理技术,具体地说是一种实现浮动阈值的装置。本发明包括初级射随电路,用于提取目标跟踪信号;固定阈值,提供特定条件下可以切换到固定状态的选择;保护电平,提供一种最小可接受的电平信号,当没有目标信号或者目标信号微弱的情况下,用以抑制噪声信号;选通电路,接收固定阈值、保护电平和初级射随电路的输出,选通电平高的信号;级射随电路,接收选通电路的输出信号,输出浮动阈值。本发明能够实现阈值跟随目标信号的变化而变化,提高二值化的适应性;可以灵活选择浮动阈值和固定阈值;结构简单,使用方便。
英文摘要: The invention relates to an analogue signal processing technology, in particular to a device capable of achieving a floating threshold value. The device capable of achieving the floating threshold value comprises a primary emit-follow circuit, a fixed threshold value, a protective level, a gating circuit and a level emit-follow circuit, wherein the primary emit-follow circuit is used for picking target trace signals, the threshold value is used for providing choices to switch to a fixed state under specified conditions, the protective level is capable of protecting level signals which can be receive at the minimum and used for restricting noise signals under the conditions of no-target signals or weak target signals, the gating circuit is capable of receiving the output of the threshold value, the protective level and primary emit-follow circuit and high signals of the gating signals, the level emit-follow circuit is capable of receiving output signals of the gating circuit and outputting the floating threshold value. The device capable of achieving the floating threshold value is capable of achieving that the threshold value changes along with changes of the target signals and improving adaptability of binaryzation, capable of flexibly choosing the floating threshold value and the fixed threshold value, simple in structure and convenient to use.
是否PCT专利:
申请日期: 2011-12-06
公开日期: 2013-06-12
授权日期: 2016-03-02
专利申请号: CN201110401775.6
公布/公告号: CN103150568B
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/17796
Appears in Collections:光电信息技术研究室_专利

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Recommended Citation:
佟新鑫,张心宇,杨光宇,等. 一种实现浮动阈值的装置. CN103150568B. 2013.
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文件名: CN201110401775.6授权.pdf
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