sampling hold circuit 中文意思是什麼
sampling hold circuit
解釋
采樣保持電路-
Sampling hold circuit
取樣保持電路 -
The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed - through
采樣保持電路設計採用了電容下極板采樣技術，不僅有效地避免了電荷注入效應引起的采樣信號失真，而且消除了時鐘饋通效應的不良影響。 -
In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。 -
This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system
本文根據電氣設備絕緣在線監測技術的發展現狀，針對以往在線監測數據採集系統存在的集成度低，不能實現多通路并行采樣，不能實現多通道同時程式控制放大，不能進行同步頻率監測，采樣位數較低，採用外部存儲器方式，對數據進行查詢的訪問方式，安裝調試不靈活等缺點，提出了應用現代微電子技術電子設計自動化（ eda ）技術實現對在線監測數據採集系統的改進。
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