信息檢索與利用上機(jī)作業(yè)(完整版)
【正文】 ironment modeling of the system, data acquisition system amp。數(shù)據(jù)采集卡采集程控電源的輸出以實(shí)現(xiàn)對程控電源的閉環(huán)控制,采集發(fā)電機(jī)控制器和匯流條功率控制器的保護(hù)信號以計(jì)算延時(shí)時(shí)間。文中簡要介紹了現(xiàn)代測試技術(shù)的發(fā)展及虛擬儀器技術(shù)的概念,詳細(xì)敘述了系統(tǒng)總體方案設(shè)計(jì)及軟件實(shí)現(xiàn),并以實(shí)例驗(yàn)證了系統(tǒng)的高精度性能指標(biāo),該系統(tǒng)具有高度開放性、自動化和實(shí)用性的特點(diǎn)。最后鎖定“基于虛擬儀器的控制器自動測試系統(tǒng)”。）（1種）：在CNKI的中國學(xué)術(shù)期刊網(wǎng)絡(luò)出版庫中上利用檢索詞“虛擬儀器”、“匯流條控制”、“自動測試”搜索得到文獻(xiàn)108篇，最后精確搜索“虛擬儀器 自動測試 匯流條 控制系統(tǒng) 匯流條控制器”，得到結(jié)果51條，較為滿意。（3）中文期刊類檢索工具【題目】基于虛擬儀器的控制器自動測試系統(tǒng)”【作者】夏夢芝、何銀菊、李波【摘要】構(gòu)建了一種以LabVIEW為軟件開發(fā)平臺,以公司數(shù)據(jù)采集卡作為基礎(chǔ)硬件的自動測試系統(tǒng),實(shí)現(xiàn)對控制器輸入輸出端口電氣性能的自動測試。采用程控電源模擬發(fā)電機(jī),通過控制程控電源和開關(guān)網(wǎng)絡(luò)產(chǎn)生施加于發(fā)電機(jī)控制器和匯流條功率控制器上的信號。：期刊：【Title】: V–L deposition of a novel fullwaveform lidar system based on virtual instrument technique. 【Authors】: Xu Fan1,2Wang YuanQing2,3 Source: Chinese Physics B. Oct2015, Vol. 24 Issue 10, p11. 1p. 【Document Type】: Article Subject Terms: LIDAU (Optics)LASER based sensorsGEOGRAPHIC information systemsGAUSSIAN processesSTOCHASTIC processes【 Abstract】: A novel threedimensional (3D) imaging lidar system which is based on a virtual instrument technique is introduced in this paper. The main characteristics of the system include: the capability of modeling a 3D object in accordance with the actual one by connecting to a geographic information system (GIS), and building the scene for the lidar experiment including the simulation environment. The simulation environment consists of four parts: laser pulse, atmospheric transport, target interaction, and receiving unit. Besides, the system provides an interface for the onsite experiment. In order to process the full waveform, we adopt the bination of pulse accumulation and wavelet denoising for signal enhancement. We also propose an optimized algorithm for data deposition: the V–L deposition method, which bines Vondrak smoothing and lasertemplate based fitting. Compared with conventional Gaussian deposition, the new method bring
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