指針式計數器 的英文怎麼說
中文拼音 [zhǐzhēnshìjìshǔqì]
指針式計數器
英文
dial counter- 指 : 指構詞成分。
- 針 : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 指針式 : pointer type指針式計數器 dial counter; 指針式石英手錶 [鐘] analog type quartz crystal watch; quar...
- 指針 : 1 (鐘 、表的針) hand; indicator; pointer; needle2 (分辨正誤的依據) guiding principle; guide 3...
- 計數 : count; tally; counting計數卡 numbered card
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In the logic design, the fundamentals and characteristics of ieee std. 1149. 1 specification and usb protocol are introduced first of all. according to altera ’ s fpga cyclone, it analyzes the architecture and jtag instructions of boundary scan test ( bst ). then the dissertation analyzes how to program cyclone device and offer the scheme of the design which is realized in verilog hdl by modelsim and quartus ii software
在介面邏輯設計中,首先分析ieee1149 . 1標準和usb協議,理解邊界掃描測試和usb數據傳輸的工作方式,然後針對altera公司的fpga器件cyclone ,通過分析它的邊界掃描測試結構和各種jtag指令,研究它的編程過程和編程特點,並提出設計方案。And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available
第三章首先概括了目前機器人連桿慣性參數識別的四種方法,總結這些方法的優、缺點;指出這些方法存在的問題是:或者需將機器人解體,不能在線進行參數識別,或者不能給出機器人連桿獨立的慣性參數值,只能獲得慣性參數的組合值,而這些方法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種基於腕力傳感器的機器人末端連桿慣性參數在線識別方法,給出了該方法的理論計算和推導;研究提出了以腕力傳感器輸出為前提的、基於newton - euler動力學的機器人動力學正向、逆向遞推公式;針對機器人負載參數辨識必須在線、實時的特點提出了基於腕力傳感器的負載參數在線識別方法,給出了負載參數識別的步驟。Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect
針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀,研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程,包括硬體系統、軟體系統的設計及實現,重點介紹了plc通信協議,監控器的基本工作原理以及期望實現的功能,監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入,時鐘信息的設定與讀取, cpu液晶顯示器指令系統,信息畫面及標簽數據結構的定義及顯示方法, cpu內部資源的分配,監控器與plc通信的軟體實現,文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足,可以擴大plc的應用范圍,提升機械設備的檔次,增加設備的附加價值,具有一定的市場前景。After full understanding of demand on ultrasound imaging, bigtide has designed brand new ultrasound series color lcd monitors especially for ultrasound imaging. as the upgrade product replacing of the past crt display, it is provided with the advantage of digital flat display technology. its display gray scale, color quantity, resolution and light target fully satisfy the extremely accurate diagnostic demand in hospital
Bigtide在充分理解醫院針對ultrasound設備成像的需求后,專門為ultrasound設備成像而全新設計了ultrasound系列彩色液晶顯示器,作為替代以往crt顯示器的升級產品,它具有數字式平板顯示技術的優點,其顯示灰階色彩數量解析度亮度指標,完全可以滿足醫院極為精確的診斷要求。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。The research of this paper is much practical. this dissertation discusses the work principles of several digital phase shifters respectively, and describes their characteristics. based on this, the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip, incorporating the guideline and the level of process
在此基礎上,結合所給的指標要求和實際的加工工藝水平,採用71的微帶線作為移相器的主線,四位移相位採用了不同的電路形式,針對大移相位相位精度誤差大的缺陷對傳統的反射型移相器電路進行了改善,設計出了毫米波四位數字移相器。This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。Secondly, against the problem that the linearity of inductive micrometer is poor in wide ranges, it compares with the usual methods of non - linearity compensation, and then determines the method used in the system based on the research of characteristic curve of sensor in detail. then, it gives the detailed designs of the embedded application software and the arithmetic of non - linearity compensation. finally, the paper deals with experimental data and analyses the experimental results, with a conclusion shows that the polynomial fitting is a useful method to solve non - linearity of inductive micrometer
首先,針對電感位移傳感器數據處理量大、實時要求性高的特點,確定採用嵌入式處理晶元pxa271作為處理器,並根據實際需要確定性能指標;然後,針對電感位移傳感器在大范圍內線性度差的問題,通過對常用的非線性補償方法進行比較,在詳細研究傳感器特性曲線的基礎上,選用分段多項式擬合的方案進行補償;在此基礎上,對嵌入式應用軟體設計給出了詳細的設計流程和分析說明,最後,對設計的系統進行實驗和數據分析,處理的結果滿足設計的性能指標,說明分段多項式線性擬合的方法在解決電感微位移傳感器非線性問題上是可行的。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。分享友人