精度級 的英文怎麼說
中文拼音 [jīngdùjí]
精度級
英文
accuracy rating-
Due to the image exists the instances of spin and distortion, in order adopting part small template proceed matching in order to reduce thereof impacts by as possible, besides small template matching may decrease calculation quantity, and it is propitious to real time of matching. looking into be on the impact of illumination, chromatism, under cloak circumstance template size and quantity select versus matching rate. matching primitive chooses gray, gray information measure large and most easy to obtain, but it is rather effected by illumination condition and chromatism, maximum matching rate restricted to 70 %
瓷磚缺陷檢測採用待測圖像與標準圖像作差法，作差法對匹配精度要求較高，因此在匹配誤差存在的點進一步做了亞像素級的匹配;導彈目標識別，採用背景匹配的方法，統計背景移動距離指導目標的識別;叢林中移動目標識別，採用作差法找到目標區和背景區，分別採用不同的模板和閾值匹配，統計目標區匹配結果。The keying emery cloth page wheel of the living handle, adopt the domestic and top import emery cloth, brute force sticks, reliable craft production, it is open and adequate distribution while using has improved the precision of using, especially suitable for the aluminium alloy die casting, rubing the polishing of the complicacy superficy of the mould and so on high precise products
採用國產頂級砂布及進口砂布，強力粘接，可靠的工藝生產，使用時呈開放均勻分佈，提高了使用精度，特別適用於鋁合金壓鑄件，模具復雜型面等高精產品的磨削拋光。The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想，對測控系統進行了設計：採用光柵尺、光電編碼器測量可動部件的運動量，解析度高、誤差小；採用細分驅動的步進電機裝置，控制性能好；系統實施環境溫度的檢測、補償，提高了檢測精度；基於兩級微機組建測控系統：主機為人機界面，採用windows編程，從機用dos編程，實時性好；軟體設計採用兼容性和移植性好的模塊式結構，便於二次開發。In automatic acquisition and procession of the photoelastic data, there are some troubles about how to acquire single isoclimcs and to improve the precision of evaluating isochromatic fringe orders in the thin slice of the three - dimension model when the actual problems are solved by photoelasticity
用光彈性實驗處理實際問題時，在數據自動採集與處理中，如何獲得單純等傾線的問題仍是一大難點，此外就是如何進一步提高三維凍結模型薄切片的等色線定級精度問題也比較困難。Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level
研究結果顯示： 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用； 2 、在黃土丘陵溝壑區，同1 ： 1萬比例尺5米解析度的dem相比， 1 ： 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異，但誤差的量值與空間分佈具有統計上的規律性與可估算性； 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論基礎與技術方法，也可為有關規范、標準的制定提供依據。High precision time, outputting second pulse reach microsecond
時間精度高、輸出秒脈沖精度達微秒級。Based on the principle of afm ’ s mechanism, with the needs of 6 - dof parallel robot with cubic millimeter movement space and nano - scale movement accuracy, and considering the openness, scope bound and reliability of the adjustment device, this paper build a super - exact device for the measurement of nona - scale surface
本論文在借鑒原子力顯微鏡原理的基礎上，結合具有立方厘米級工作空間、納米級運動解析度的6 - dof並聯工作臺的實際測量需要，綜合考慮了系統的開放性、掃描范圍和調節裝置的可靠性，研製了面向納米測量定位的高精度表面納米級形貌測量樣機。The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。Considering the precision and cost of sea - route in our country, gps oem board was selected positioning for system in stand - alone model ( not dgps ). there is abundant time to processing and optimizing data for gps receiver because the reactive speed of pharos is on hour level contrast to strict real time
根據航道定位精度要求與成本承受能力，系統選取低成本的gpsoem板接收機進行單機定位，由於航標燈監控有一定實時性但又非嚴格意義上的實時性，其反應速度可到小時級，這為gps接收機定位提供了寬裕的時間作為數據處理與優化。With the static pressure in inlet of pipeline and theoretic analysis we could get the total pressure of mpt. the accuracy of piezometer was 2 % fs
使用0 . 4級精度的壓力表和真空表對壓強傳感器進行了標定，標定結果表明，壓強測量精度達到2 fs 。The state - of - art “ zhongwei ” series machines deliver stable performance in varied function with user - friendly operation ; the big output servo system applied assures low - noise, effective production of precise patterns, which are widely used in elegant mattress, cloth, cushion, sleeping bags and other bedclothes
本公司生產的「中威牌」系列電腦絎縫機造型美觀、布局合理、結構新穎、功能齊全、性能可靠、操作簡便易懂、效率高、噪聲低，採用大功率進口伺服系統，產品關鍵配件全部進口，使機器性能穩定、功能更強、精度更高；絎縫出來的花樣精確美觀，廣泛適用於高級床墊、服裝、靠墊、睡袋、床上用品等各種產品。The dissertation takes a 4700 dwt container ship for an example and is directed against the middle and small - sized shipyards. starting from the construction principles and centering on the division of blocks, block fabrication and erection on shipway, the dissertation analyses the manufacturing gist of some typical parts / blocks, hatchcover and superstructure blocks. the dissertation also carries out a research into the application of precision shipbuilding to a container ship
以出口新加坡入級于德國勞氏船級社的4700噸級集裝箱船為例，針對中小型船廠，文章從建造方針的制訂著手，圍繞分段劃分，分段建造、船臺建造等剖析了典型部件、典型分段以及倉口蓋、上建分段的製造要領，並對精度造船在集裝箱船上應用進行了探討We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard
為了適應研究工作的需要，研製了高精度激光波長計，測量真空波長的準確度可達2 10 ^ （ - 8 ）的量級，同時研製了飛秒鎖模激光的測頻裝置，目前的測量精度可與小銫鐘的精度相同。This system has passed the appraisal of 1. 0 lever power meter made by dalian weighhouse, its precision and reliability fits the need of power meter, thus it is a kind of electric energy measurement and control system which can easily use and should be popularized
本系統現已通過大連市計量所電表1 . 0級的鑒定，其精度、可靠性完全符合電表的特性要求，是一種使用方便並值得推廣的電能計量控制系統。With the massive technological upgrading and industrial upgrading, and mainframe users of the products bearing accuracy, performance, life and diversification of higher demand for the bearing industry to bring tremendous market potential, the current exhibition " in a professional, exchanges and cooperation, " as the theme, in conjunction with the " chongqing industrial development forum ", in western china to build brand event through new products, new technology exchange and display, for the industry to provide direct and effective enterprise business platform enhance enterprises with customers face - to - face exchanges and cooperation and promote the common western manufacturing development
隨著大規模的技術更新和產業升級，主機用戶對軸承產品的精度性能壽命及多樣化提出了更高的要求，為軸承行業帶來巨大的市場發展潛力，本屆展會以「專業交流合作」為主旨，結合「重慶工業發展論壇」 ，致力於打造中國西部的品牌盛會，通過新產品新技術的交流和展示，為業內企業提供直接有效的商務平臺，增強企業與客戶之間面對面的交流合作，促進西部製造業的共同發展。Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應，考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說，這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時，可得到消除多普勒增寬的精度O - rings. butadiene acrylonitrile rubber 20a8. precision class a. quality class 3
O形圈.丁晴橡膠.精度等級.質量等級O - rings. butadiene acrylonitrile rubber 21a7. precision class a. quality class 3
O形圈.丁晴橡膠.精度等級.質量等級O - rings. butadiene acrylonitrile rubber 20b8. precision class a. performance class 3
O形圈.丁晴橡膠.精度等級.性能等級Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。分享友人