頻譜儀 的英文怎麼說

中文拼音 [bīn]
頻譜儀 英文
audiofrequency ectrometer
  • : 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...
  • : 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)...
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  1. This instrument can meter the electric level, frequency spectrum, carry to noise ratio, a / v, cobbly ratio, voltages of the ac trunk line and the battery. furthermore it can display the above information on the lcd and store them in the eprom

    該場強可以對有線電視系統的電平、、載噪比、 a v比、系統不平度、交流干線和電池電壓等進行測量,並通過液晶顯示,結果保存於eprom中。
  2. Double frequency spectrum guar

    腦電雙指數監護
  3. The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article

    摘要分析了光纖傳輸系統的特性,及其對太陽射電日像的影響。
  4. At last, the further designing content and requirement about the transmission system for solar radio heliograph are proposed

    最後,提出構建太陽射電日像光纖傳輸系統需要進一步解決的問題和需深入探討的內容。
  5. 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、高信號發生器、漏電測試、耐壓測試、溢流焊機、 led燈具模擬測試等生產、檢測設備。
  6. 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

    本文研究了虛擬器系統的設計思想,在分析虛擬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器系統開發方法;闡述了windows環境下實現虛擬器的技術要點;實現了一個典型的虛擬器系統「 vis ? 1信號示波分析系統」 ,該系統集普通示波器、超低示波器、存儲示波器、瞬態信號記錄、波形及分析等多種器功能於一身,並具有許多傳統器難以達到的優越功能和性能。
  7. Design of adio spectrom analyzer

    分析的設計
  8. Miniature spectrometers using two dimensional color ccd array and video format interface

    及視信號介面的光
  9. Acoustooptic deflector is the significant component of the optical devices such as integrated optical spectrograph, tunable filter, scanner, convolver, correlator and optical switch etc. acoustooptic deflector can be divided into collinear and non - collinear, bulky and wave - guided, body devices and surface devices

    聲光偏轉器是集成光學頻譜儀、可調諧濾波器、掃描、卷積器等光學器件的重要組件、聲光偏轉器可分為共線式和非共線式、塊體型和波導型以及體波器件和表面波器件。
  10. Adopting the latest research result on dynamic signal discrete spectrum analysis and the idea of virtual instrument, a dynamic signal analysis virtual instrument software system is developed, which is based on windows and has good performance

    並採用動態信號離散分析領域最新研究成果,基於虛擬器設計思想,研製一套方法新、功能全、實時性好、精度高的基於windows的通用動態信號分析虛擬器軟體系統。
  11. Solar radio metric wave radiation events observed using the acoustic - optic spectrograph at the yunnan observatory in march of 1991 with associated optic activity and correspanding evevts are analyzed. some characteristics of the events are obtained in this paper

    利用雲南天文臺聲光頻譜儀在1991年3月記錄到的太陽射電米波輻射事件、光學活動及相關事件作了分析,得到來自6538活動區太陽射電米波事件的一些基本特性。
  12. The relations among the metric wave spike events, optical activities and related events recorded with the acousto - optical spectrograph during the 22nd solar cycle are statistically analysed in this article

    統計分析了雲南天文臺聲光頻譜儀在22周峰年期間記錄到的米波尖鋒事件與光學活動及相關事件的關系。
  13. Using spectrum analyzer for the measurement of phrase noise

    頻譜儀在相位噪聲測量中應用
  14. Semiconductor x - ray energy spectrometers, test procedures for

    半導體x射線能量頻譜儀的試驗程序
  15. Familiar with the application of equipment like spectrum, vna, etc

    熟悉電子通信領域常用器(頻譜儀,矢量網路分析) 。
  16. Manufacture a range of micro - processor based instruments for pressure, temperature, relative humidity and velocity measurement

    -提供頻譜儀場強基站測試和無線電綜測
  17. According to the theory of digital signal processing, discrete fourier transform has selectivity to frequency just as spectrum analyzer

    根據數字信號處理理論,離散傅里葉變換( dft )演算法對率具有選擇性,有相當于頻譜儀的功能。
  18. When used in conjuction with a spectrum analyzer or a measuring receiver, the probes can be used to locate and qualify emi sources, as well as evaluate emc problems at the

    電纜饋送,當探頭與頻譜儀或測量接收機連用時,探頭可用於探測電磁干擾源,以及評估電路板和樣機試驗階段的電磁相容問題。
  19. A data acquisition and analysis system of insect acoustic signal ( daasias ) with friendly interface, simple operation and multifunction was developed. it could sample and analyze insect acoustic signals in real time. by daasias both observing insect behavior and analyzing signal could be conducted at the same time

    以往昆蟲鳴聲信號是記錄在磁帶上,分析時通過回放磁帶的錄音,在示波器、頻譜儀或聲等聲學器上進行信號分析,結果磁帶的多次回放常會引起信號的失真,並難以對信號作進一步的編輯處理;分析器不但價格昂貴、體積較大,而且很難實現昆蟲聲行為觀察與信號分析同步,更不適合野外工作。
  20. In this disseration the author researched the testing of gsm mobile telephone of the wireless instrument test and carried out it. the work that i shoud do is acquire the testing content 、 standard and method of test of the gsm mobile telephone, then write the driver program of the cmu200. first acquaint the communication system of gsm ; second introuced and analysized the technology of the software and hardware of control the programmable instrument, which include ieee 488 ( gpib ) standard bus 、 scpi ( standard commands for programmable ) and visa ( virtual instrument system architecture ) ; third reaserach the technology of software, it employs visual c + + 6. 0 as application development platform because of its powerful function, universality and programming and employs com module because of its characteristic 、 superiority ; the last ascertain the testing item and its standard 、 mehtod through searching the principle of gsm mobile and its testing criterion and select the programble instrment for testing according to the mobile telephone demands, which include cmu200 ( universal radio communication tester ) 、 e4445a ( spectrum analyzer ) 、 e4438c ( signal generator ), all of this build the platform of testing. i realize the automatic testing of gsm mobile telephone by using com module and visa 、 scpi

    論文中首先了解了gsm通信系統及其關鍵技術;再者研究分析了可編程器控制的軟硬體技術,包括ieee488 ( gpib )標準總線、 scpi ( standardcommandsforprogrammableinstruments可編程器標準命令)和visa ( virtualinstrumentsystemarchitecture虛擬器軟體架構)為對可編程器進行驅動編程打下基礎;第三步研究了軟體實現技術,對組件的優勢和com的特點進行了分析確定採用com組件技術來完成驅動模塊;最後根據移動臺測試要求選擇可編程測量器cmu200綜測、 e4445a頻譜儀、 e4438c信號源和一臺測量控制計算機搭建起了測試平臺,研讀可編程器cmu200綜測的scpi命令和visa (虛擬器軟體架構) ,根據gsm移動臺測試方法在vc開發平臺下採用com組件形式完成對cmu200的驅動編程從而實現對gsm移動臺的自動測試。
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