精確記時儀 的英文怎麼說
中文拼音 [jīngquèjìshíyí]
精確記時儀
英文
chronograph- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 確 : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
- 記 : Ⅰ動詞1 (把印象保持在腦子里) remember; bear in mind; commit to memory 2 (記錄; 記載;登記) writ...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 精確 : accurate; exact; precise
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In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。The imperial astronomical bureau was set up to observe, record and interpret astronomical phenomena in detail. against this backdrop, the ancient chinese not only invented a multitude of astronomical instruments which boasted remarkable accuracy, they also kept the most comprehensive astronomical records
因此,中國的天文學一直與占星學結下不解緣,亦由於此緣故,古時的中國人研製了十分精確的天文觀測儀器,以及擁有全世界最詳盡的天象記錄。Besides, factors that affect the results of subdivision driving are discussed. furthermore, after analyzing popular methods applied in laser distance measure, waveform analysis is used in the laser scanner. a high - speed a / d card is used to acquire the signal, related software of this part is programmed and the time of waveform analysis is estimated
然後對常用的距離計數法進行了精度分析,確定在三維激光掃描儀中採用波形記錄法實現時間間隔測量,根據三維掃描儀的精度要求採用高速採集卡對激光的主、回波波形進行採集、分析與處理,並編寫了波形採集、分析程序,同時對波形分析處理所需要的時間進行了估算。The engineer requires a rugged device that will accurately record the heaviest shocks in the near vicinity of the instrument.
工程師所需要的儀器應該有結實的裝置,即使在儀器的附近發生最強烈的振動時,也能夠把它精確地記錄下來。分享友人