擺測硬度 的英文怎麼說
中文拼音 [bǎicèyìngdù]
擺測硬度
英文
pendulum hardness- 擺 : Ⅰ動詞1 (安放; 排列) put; arrange; set in order 2 (顯示; 炫耀) display; show off; put on; assu...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 硬 : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 硬度 : hardness; solidity; scirrhosity (腫瘤的)
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This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Coating ' s transparent and abrasive characters are measured by spectrophotometer and abrasion instrument and sway pole sclerometer. as a result, lacquer ' s abrasion - resistant performance improved 100 % adding 15 % nano - alumina. nano composite coating improved pmma base 2. 75 times
用分光光度計、耐磨儀及擺桿硬度計測定了塗料的透明性和耐磨性,添加15 %的納米al2o3 ,塗膜的耐磨性能提高了100 % ,納米復合塗料對底材有機玻璃的耐磨性能提高了2 . 75倍,可見光透過率在80 %左右。Determination of hardness of the paint films. pendulum damping test
漆膜硬度測定法擺桿阻尼試驗( 1 ) in view of practice that the data obtained from accelerometer has serious zero deviation, it is very difficult to diagnosis fault by hardware redundant. a fault diagnosis scheme for multi - accelerometers employing predictor based on radial basis function ( rbf ) neural network is proposed
論文的主要創新成果有: ( 1 )在擺式列車實際運行中,檢測子系統的加速度傳感器存在嚴重零偏,使用硬體冗餘法進行故障診斷的設計初衷面臨著巨大的困難。A project has been brought forward, which focuses on the combination of an oscillation equipment with double steel - rob and the photoelectric technology on non - contact measuring. with collective precision being analyzed, the paper also points out how to bring it into effect. secondly, the design of mechanism, hardware and software of photoelectric measuring system with a core of at89c51 single chip microcomputer is accomplished
首先進行了不規則外形剛體轉動慣量測量的理論探索,找出了剛體轉動慣量與振動固有周期的關系,提出了以雙鋼柱扭擺機構,結合光電非接觸檢測技術測量航彈極轉動慣量的方案,並進行了總體精度分析,提出實施手段;其次,完成了航彈極轉動慣量測量系統的機械設計、以at89c51單片機為核心的光電檢測系統的硬體及軟體的設計;最後,給出了實驗數據分析及結論。分享友人