頻譜發生器 的英文怎麼說
中文拼音 [bīnpǔfāshēngqì]
頻譜發生器
英文
spectrum generator- 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...
- 譜 : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
- 發 : 名詞(頭發) hair
- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
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Our factory is established in 2004, the existing staff 80 people, workshop area 2000m2, has the production assembly line 3 and thespectrometer, the oscilloscope, the high frequency signal generator, leaks the reflectoscope reflector, the pressure resistancereflectoscope reflector, the overflow welding machine, production, thecheck - out facility and so on led lamps and lanterns simulationreflectoscope reflector
我們廠成立於2004年,現有員工80餘人,廠房面積2000m2 ,擁有生產流水線3條及頻譜儀、示波器、高頻信號發生器、漏電測試儀、耐壓測試儀、溢流焊機、 led燈具模擬測試儀等生產、檢測設備。Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview
接著,在labview環境下開發了多種用於傳感器信號測試的虛擬儀器,具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后,研究了小波分析在一維信號消噪中的應用,實現了labview環境下的閾值法和平移不變量法小波消噪,並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。Series of general - purpse instruments : including series of 2800 and 2500 electronics compoment parameters testing meter and related products ; series of 1630 function signal generator ; 1250 ultralow frequency spectrum analyzer and signal generator
通用類儀器系列:包括2800系列、 2500系列元件參數測量儀及其配套產品; 1630系列函數信號發生器; 1250超低頻系列頻譜分析儀及信號源。The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument
本文採用模塊化設計方法,詳細描述了典型信號生成模塊、數據處理模塊、數據讀取和存儲模塊、顯示模塊等軟體開發的全過程,分析、解決了設計及實現過程中出現的問題,並給出了已實現的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。In the process of maintaining and upgrading 8410 icp direct reading spectrometer, maintaining and adjusting of - 145 v switching power supply of icp high frequency generator are often required
摘要在維修和改造8410型電感耦合等離子體直讀光譜儀過程中,經常需要對icp高頻發生器中的開關電源進行維修和調整。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。The resonance - enhanced multi - photon ionization ( rempi ) spectrum of no in the region of 420 - 680nm is obtained by using optical parameter generator and amplifier ( opg / opa ) as radiation source. the opg / opa was pumped by nd : yag ( quantel ) laser
本工作以超短脈沖( 35ps ) nd : yag激光的三倍頻輸出( 355nm )泵浦光學參量發生放大器作為激發源,獲得了no分子在420 680nm波長范圍內的多光子共振離化光譜。Abstract : to against the fact of the commercial available white noise generators are very expensive which is not good for general operations, a simple and effective limited band white noise generator is design. the generator is using the feature of dual polarity transistor, i. e., the power spectrurn density of particulate noise is not related to frequency in very wide band and close to white noise. the concrete circuit is also given
文摘:針對市售白噪聲發生器價格昂貴,不利於一般場合使用的問題,介紹利用雙極性晶體管散粒噪聲功率譜密度在非常寬的范圍內與頻率無關,屬白噪聲這一特性,設計了一種簡捷、有效的限帶白噪聲發生器,並給出了具體電路。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 principles and arithmetic for designing and realizing the virtual digital stored oscilloscope, virtual frequency analyzer and virtual function generator, which are based on labview, are discussed in detail. the performance of the virtual instruments is tested, and the specification is given
詳細的分析了基於labview的虛擬數字存儲示波器、虛擬頻譜分析儀和虛擬函數發生器的設計和實現的原理及演算法,並且對于各虛擬儀器進行了性能測試,給出了性能指標。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分享友人