頻率分析儀 的英文怎麼說
中文拼音 [bīnlǜfēnxīyí]
頻率分析儀
英文
frequency analyser- 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 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 ...
- 頻率 : frequency; rate
-
Dr. emoto soon realized that everything in existence is alive and has a vibrational frequency, a magnetic resonance field, which is the source of energy behind the creation of all things. he was even able to measure this field using a magnetic resonance analyzer
他很快了解到萬物都是有生命的,並且具有振動頻率-一種共振磁場,這正是創造宇宙萬物的能量源頭,他甚至可以用磁共振分析儀mra來測量它。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。Manufactures infrared detectors for telecommunications, aerospace, medical instruments, wireless internet, chemical detection and analysis
-主要產品有示波器信號發生器數字示波器電橋邏輯分析儀頻率計等。Data processing software is designed for tbs - 2000 strain measuring system in the classical virtual instruments engineering workbench ; it is applied to process the data which are acquired in the way of dynamic stress analysis, statistic stress analysis and proper frequency analysis
利用虛擬儀器的典型開發平臺labview針對tbs ? 2000應變測試系統開發了數據處理軟體;利用該數據處理軟體對測試所得的數據進行了動、靜應力分析和固有頻率分析。Surely it can substitute the voltage meter, four channels oscilloscope and frequency analysis meter
該測試儀可以看作是電壓表、頻率表、示波器和頻譜分析儀等儀器的集成。The method of environmental test for analytical instruments - line frequency and voltage test
分析儀器環境試驗方法電源頻率與電壓試驗A fft spectrum analyzer was used to measure the resonant frequency
試驗時採用六種實大尺寸試材,共振頻率之測定系利用fft頻譜分析儀。The various functions inside the virtual spectrum analyzer introduced in the paper is time domain wave analysis, fft transfer, ifft transfer, cross analysis, and so on, which are all described in function controls. finally, this paper introduce the assemble of intelligent controls - oriented virtual instrument. and use classical signals and industrial practices to demostrate the accurate of virtual spectrum analyzer
本文介紹的智能控制項化頻譜分析儀所具備的功能,有信號的時域分析、 fft變換以及ifft反變換、信號的微積分運算、信號的頻譜分析、信號自功率譜密度函數計算、信號互功率譜密度函數計算、頻率響應函數計算和相干函數計算,都是集成在功能控制項裏面的。Scalar network analyzer is a kind of intelligent instrument based on frequency sweep test technology that used to measure the amplitude - frequent cy characteristic of linear system. network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad - band sweeping and computer - assisted testing
標量網路分析儀是一種基於掃頻測量技術,用於測量線性系統幅頻特性的智能化儀器。網路分析儀結合了頻率合成技術、采樣技術、寬帶掃頻技術、計算機輔助測量等新技術。In addition, by use of a spectrum analyzer, the maximum amplitude as a function of frequency is easily identified
另外,配合頻譜分析儀的使用,以頻率為函數的最大幅度很容易便能辨別。Frequency response analyzers
頻率反應分析儀Technology of fine processing was firstly used to make the lsaw biosensor with dual delay linear style. then we developed the dual channels resonance circuit and used the labview software to record and analyze phase / frequency automatically. so the detection system of lsaw biosensor was constructed by combing all these components with network analyzer and computer
方法: 1 .利用精細微加工方法制備雙延遲線型漏聲表面波傳感器,並自行開發研製自激式振蕩電路, labview相位、頻率記錄分析軟體,將它們與網路分析儀、頻譜分析儀及計算機聯用以構建lsaw生物傳感器檢測系統。Eeg frequency analyzer
腦電圖頻率分析儀The paper designed the pn analyzer with using receiver circuit with optimized twice down - convert and highly efficient process arithmetic and comprehensive design and particularly harmonious system. in the system the
該文研製的pn分析儀pnscanner採用了很優化的二次下變頻接收機電路以及效率很高的基帶處理演算法,嚴謹周到的設計和獨特的協調機制。This paper utilizes masking rate theory to analyze the variation of center zero - level energy, the influence of metallic mesh ’ s different parameters on infrared transmitting ; deduces the relational expression between infrared transmitting efficiency and metallic mesh ’ s parameters ; comes to the conclusion that we can improve infrared transmitting efficiency by increasing
理論研究表明,金屬網柵的周期選擇在200 ~ 400 m之間,線寬不大於10 m ,是較為理想的網柵參數。最後,在實驗室里用1 ~ 20ghz的信號發生器、功率放大器和頻譜分析儀等雷達波檢測設備,對金屬網柵的屏蔽效率進行測試。The 16 - bit adcs inside the single - chip microcomputer are used in the instrument to measure the output signal of the high frequency tuner, two12 - bit dacs are used to give the control signal needed by programmable gain amplifier. the system has the characteristics such as light volume, light weight, and low cost, which make it more applicable
該標量網路分析儀能方便地測試一個系統的傳輸特性和反射特性,與pc機通過通用串列總線( usb )連接,實現被測網路頻率特性的圖形顯示、保存、列印及參數設置功能。In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described
汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械,由於安裝或運行中的原因,在轉子旋轉過程中,可能和器壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹The measuring instrument for blade resonant frequency mainly consists of a front end circuit, a signal collecting circuit, and a coiilputing and displaying circuit. this paper provides a detailed hardware diagran, software flow chart and design process, expounds the operation and calibration of the instrument, and analyses the measuring data in detail according to different conditions
葉片共振頻率測試儀主要由前置電路,信號採集電路及運算和顯示電路組成,文中給出了詳細的硬體電路圖、軟體流程圖及設計過程,闡述了該儀器的使用和校驗方法,並針對不同的狀況對測量數據進行詳細的分析。The method of mechanical impedance to calculate stator ' s natural frequency is given, and so is the flow of modal analysis. these results are compared
給出了機械阻抗法計算sr電機定子固有頻率的方法和使用模態分析儀分析模態的流程,針對實驗樣機給出計算及實驗結果,並進行對比。This program can do the static characteristics test and draw frequency response characteristics curve of the electro - hydraulic servo valve. the frequency response characteristics curve is done by the spectrum analyzer td4010 in the traditional way
同時,此套測試系統軟體也能實現電液伺服閥動態性能的測試,進行頻率響應曲線繪制,以替代頻譜分析儀td4010的功能。分享友人