頻普分析儀 的英文怎麼說
中文拼音 [bīnpǔfēnxīyí]
頻普分析儀
英文
frequency spectrum analyzer- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 普 : Ⅰ形容詞(普遍; 全面) general; universal Ⅱ名詞(姓氏) a surname
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
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The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments
本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基於面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統「 vis ? 1信號示波分析系統」 ,該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能於一身,並具有許多傳統儀器難以達到的優越功能和性能。In this time, as a result of major development in computer technologies and fast fourier transform wider application, many frequency analyzer based on digital signal processing theory and multi - function signal analysis software occurred. which greatly strengthened analysis function to engineer vibration signal ' s time field and frequency field
在這一時期,由於計算機的快速發展以及快速傅立葉變換的普遍應用,各種基於數字信號處理原理的頻率分析儀以及多功能信號分析軟體出現,從而大大加強了對工程振動信號的時域及頻域分析功能。The company has the advanced precision casting, the machine - finishing equipment and the check - out facility, including : disk wax mould machine, moistening slurry machine, intermediate frequency melting furnaces, cnc tooling machine, spectrometer, metallurgical microscope, hardness testing machine, computer material test machine. and so on
公司擁有先進的精密鑄造、機械加工設備及檢測設備,其中包括:雙工位射蠟機、圓盤射蠟機、沾漿機、中頻熔化電爐,光譜分析儀、金相顯微鏡、硬度試驗機、電腦萬能材料試驗機, cnc數控車床、普通鉆銑床及閥門管件殼體、密封試驗機等。The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed
主要研究工作有:研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法;設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統,對聯邦濾波器和集中濾波器的性能做了模擬對比分析;研究了適用於聯邦濾波器的系統級故障理論和方法;探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息,通過神經網路實現硬故障交互檢測的方法。The error of distortion which harmonic distortion meter detects can be least controlled 1. the lowest frequency which harmonic distortion meter can detect is 0. 0001hz. but, generally, this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic
採用諧波分析法的失真度儀測得的失真度的最小誤差可控制在千分之一以下,頻率最低可達到萬分之一赫茲,但普遍存在儀器價格較貴,操作繁瑣的缺點,現在用的失真度測試儀大多是用基波抑製法。分享友人