量板掃描 的英文怎麼說
中文拼音 [liángbǎnsǎomiáo]
量板掃描
英文
template scan-
The main results show that : ( 1 ) the mechanism of laser bending is very different from that in bending with hard tools. ( 2 ) the bending angle is varied along scanning direction, and there is a deformation wave in the process. ( 3 ) the effects of sheet length on bending can be neglected while the length is more than 10 times of thickness. ( 4 ) the sheet width has much higher influence on the bending process
分析發現:激光彎曲成形時板料的應力狀態與機械折彎時有根本不同;當激光束沿直線單向掃描時,板料兩端的彎曲角度不同;板料的長度大於10倍板厚或5倍光斑尺寸時,板長對彎曲角度的影響不再顯著;沿掃描方向,距離光斑中心3倍光斑尺寸以外的區域,仍然對彎曲變形量產生影響。By changing the ratio of raw materials and template, we obtained macroporous sio2 materials with different diameters of porosity. when template content ( weight ratio ) is ca. 30 %, sem images showed that pore sizes were in the range of 160nm - 500nm with isolate porosities ; when template content ( weight ratio ) is 50 % - 60 %, pore sizes were in the range of 0
通過掃描電鏡觀察,孔徑范圍基本在大孔范圍:當模板劑含量(重量比)為總量的30時,得到具有孤立的孔道結構,孔道間相互交叉較少,孔徑大小在160nm - 500nm之間,平均墻厚度為600nm的大孔材料;當模板劑含量為50 - 60時,得到孔徑大小在5 . 5 m 6 . 2 m之間,平均墻厚度為2 m ,具有交叉孔道結構的大孔材料。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。The paper, in the way of math morphology, manages to classify the linear elements, the same type but different width in the scanning, and result in the two - valued linear image in the same level. in the fine division of the target image, a way of math morphology based on the double structure of cell stencil is put forward, which prevents the terminals and the acnodes from losing and also reduces effectively time in doing so. as the result of the framework of the fine division, vector method is formed in which its track is monitored by using dynamic change of pace about freeman ' s chain code
本文用數學形態學相關理論方法實現了對掃描圖像中具有同一線型但不同線寬的線狀要素進行分類,在同一層上得到同一線寬的二值線狀要素圖;在對此目標圖像進行細化時,提出了基於雙結構單元模板的數學形態學細化演算法,用該演算法對實際的線狀要素進行細化,避免了端點、孤立點等信息的丟失,且由於是并行處理,有效地提高細化速度;對于細化后的骨架線,提出了基於freeman鏈碼的動態改變步長保持精度跟蹤矢量化方法。The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode
本文敘述了採用循環採集法、自刻度功能、相敏檢波等方法提高了儀器的測量精度;通過增加極板電扣的數量將圖像覆蓋率提高到60 ;實現了快掃描、傾角兩種測井模式;將測斜短節與預處理短節合二為一,縮短了儀器長度;去除了零伺服控制系統,簡化了電路;用fpga晶元對採集控制器重新設計。According to the reserved scanning address sequence, channel range and trigger mode, it can sample data. the module can change sample time and sample length. the sample data can be disposed by the cpu on board and then be stored in 64k ram
本模塊可根據預先設置的掃描地址序列、通道量程和觸發方式進行數據採集,采樣時鐘和采樣長度可以改變,測得數據經過板上cpu的實時處理后在64k的存儲器中緩存。This thesis discusses the realization of pcbs ict production through a concrete example in which boundary scan technology is applied, and presents a new method to improve the test speed, based on the analysis of boundary scan circuit and means for vector creation. he applys boundary scan ( bs ) to boundary - scan device on the board where bs features by easy vector creation, need less knowledge of the device
本文結合一個具體電路板在線測試實現,首先討論了在ict中,採用邊界掃描元件測試技術實現在線測試生產;並在分析歸納各種測試方法的基礎上探索一種新的改進方法,即將deltascan技術與邊界掃描技術相結合以減少測試矢量,增加測試速度的一種實用方法。Firstly, a primary conception on bst standard ieee1149. 1 was introduced. as to be groundwork, some applications about bst in board test, test process and test vector generation arithmetic were enforced
在此基礎上,重點討論了邊界掃描技術在板級測試領域的相關應用,並對板級測試過程和矢量生成演算法進行了介紹。Some of the switching hardware options include stand - alone scanner mainframes, measurement instruments with integrated scanners, and plug - in data acquisition boards
切換硬體選擇還包括獨立的掃描儀主機、帶集成掃描儀的測量儀器,以及插卡式數據採集板。In this experiment, the data collecting and processing are finished by computer. according to the experiment, two conclusions can be drawn : first, not only to laser sensor but to inductance sensor, it is a good method for measuring the wheelset geometric parameters when the wheelset are made in factory or tested in the last working procedure in vehicle depot
此外,本文進行了測量原理的試驗研究:利用機床的xy平臺移動測量頭,同時調整其擺角,使傳感器的測量方向與輪輞模板的被測局部表面垂直,完成整個掃描測量;試驗中數據採集與處理由計算機完成。分享友人