frequency display 中文意思是什麼

frequency display 解釋
頻率顯示器
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • display : vt 1 顯示;展示,表現出。2 展覽,展出,陳列(商品等);展開(旗幟等),攤開(地圖等)。3 誇示,誇...
  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

    該場強儀可以對有線電視系統的電平、頻譜、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. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器,它不僅價格昂貴,體積龐大,而且只能顯示幅頻特性曲線,不能得到相頻特性曲線,更不能列印被測網路的頻響曲線,給使用者帶來諸多不便。
  3. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號等參數,並對採集的數據進行運算、比較與處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  4. This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters

    詳細介紹了應用模糊控制演算法,以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機,主要實現系統控制、數據顯示等功能,另外還有數據庫瀏覽、數據列印等功能;下位機以at89c52為核心,負責所有參數的採集、處理、顯示、上傳、控制等。
  5. Abstract : based on analysis of the operational principle of the traditional inductosyn digital display meter in the paper, the contradiction between detecting resolution ratio and antidisturbance ability is discovered. and then, to resolve the contradiction, the method of demodulation technology and high frequency excitement technology being used is advanced

    文摘:通過分析傳統鑒相型數顯表的工作原理,揭示了其檢測解析度與抗干擾能力之間的矛盾,並提出了採用差頻解調和高頻激磁等技術解決矛盾的方法。
  6. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表,它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。
  7. Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time

    基於ti公司的tms320f240控制晶元,介紹了對稱空間電壓矢量硬體設計和軟體設計,採用tms320f240設計了一款用於電機變頻調速的數字控制器,該控制器上設計有鍵盤和led顯示,可以設定和動態顯示電機運行頻率。
  8. The form display in chinese and can be operated easily. i has done the following works : ( 1 ) have innovated a computer control system of double - side automatic tig erect welding of aluminium alloy ; ( 2 ) analysed the key technics of the control system completely ; ( 3 ) designed the computer control system ; ( 4 ) solved some possible existing craftwork problems when welding the aliminium alloys ; ( 5 ) solved the existing problems of erect welding such as gravity ; ( 6 ) by the designing of hardware and software, the paper has solved the problem of high frequency interference to the computer control system, such makes the system work steadily ; ( 7 ) established the mode of imitating the dynamic process of welding

    本文主要在如下幾個方面做了一些工作: ( 1 )本文創新性地設計了鋁合金雙面自動tig立焊計算機控制系統( 2 )全面地分析了控制系統實施過程中的關鍵技術; ( 3 )微機控制系統的設計; ( 4 )解決鋁合金在自動焊接過程中工藝上可能存在的問題; ( 5 )解決立焊工藝中由於重力等導致的問題; ( 6 )通過硬體和軟體的設計,克服高頻干擾,從而確保控制系統的可靠性; ( 7 )設計的控制系統可以完成定位焊接,自動焊接和模擬焊接; ( 8 )焊接動態過程的辯識建模及系統模擬。
  9. Fip digital frequency display panel

    數字頻率顯示板
  10. Frequency display. the frequency display displays the currently selected transmit and receive frequency

    頻率顯示,頻率顯示所顯示的是當前選擇的發射和接收頻率。
  11. The nimble video frequency display mode, fixed time covers assigns the video channel, protects the user privacy

    靈活的視頻顯示方式,定時遮蓋指定視頻通道,保護用戶隱私。
  12. The system mainly has three parts of compositions : video frequency gathering board, actuation board, display panel

    系統主要有三部分組成:視頻採集板、驅動板、顯示板。
  13. The darker the screen will have better color - contrast. b turn on the display and check the sharpness of the text on the four corner. the sharper the text means the higher color - contrast, focal length and higher frequency

    B開機后,仔細查看顯示器四角的文字是否夠清晰,尤其是在高解析度底下,如果高解析度情況下,而顯示器四角的文字清楚,表示該顯示器對比及焦距不錯且頻寬夠寬。
  14. This instrument keeps constant temperature by circling air both. it use computer to control temperature and oscillation frequency, led digital display, it has stable performance, and its quality is reliable, its appearance is beautiful and digniful. it can be operated conveniently. it is the suitable instrument uhcih is used on researching and production by the trades of bioengineering. medicine. hygienist and so on

    該振蕩培養箱是利用旋轉空氣浴進行恆溫的振蕩器,溫度和振蕩頻率均採用電腦控制,用led數碼顯示.該振蕩器性能穩定,質量可靠,造型美觀大方,操作方便,實為生物工程、醫藥、衛生等行業科研和生產中使用的理想儀器。
  15. Intelligent counter digital frequency rotating speed line velocity display control transmit instruments are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function

    簡易后備操作器接收從dcs系統或pid調節器給定的模擬量信號,正常控制時,操作器輸入輸出相當于直通的,以實現dcs系統或pid調節器對執行機構的自動控制,當前級dcs系統或pid調節器發生故障時,操作器接收到故障狀態信號,即轉為手動控制狀態,由按鍵控制操作信號的輸出,當故障解除,儀表自動恢復自動狀態。
  16. Then one remote supervision system based on virtual instrument technology is studied and realized. the system can measure parameters such as signal level, carrier frequency and snr of remote channel, and can estimate the state of remote channel based on this parameters, and can display the time - domain and frequency - domain wave real time of remote channel, too

    針對目前遠動監控方案的不足,研究並實現了基於虛擬儀器技術的電力遠動通道監控系統,該系統可以對遠動收發信電平、載波頻率和信噪比三個通道參數進行測量,具有實時時域波形和功率譜波形顯示功能,並能根據通道參數對通道狀態進行綜合判斷。
  17. The modern retail trade develops changes with each new day, when the civil air defense, the video frequency monitoring ordinary guards against damages the management method starts to display narrow and cramped, when the stealing japan zhejiang method wise specialized is highly effective, the eas system the important management tool which guards against as the thing, rapidly is listed as each big retail trade to sell the field to guard against damages the management the necessary facility

    現代零售業發展日新月異,當人防、視頻監控普通的防損管理手段開始表現出狹隘和局促時,當盜竊者日浙手段高明專業高效時, eas系統作為物防的重要管理工具,迅速被列為各大零售業賣場防損管理的必備設施。
  18. While working in offline ( no pc ) mode, additionally to normal transducer, it has soft - startup function and fast - stop function. and the input of frequency and voltage - coefficient is optional. while working in online mode, additionally to working in offline mode, it can process, display, save and load waveform, which is specialty of computer

    脫機工作(無pc )時,它除具有一般變頻器功能外,還具有軟啟動功能、頻率和電壓輸入源可選、急停功能等;在聯機工作時,除具有脫機工作的全部功能外,還具有計算機特有的圖形處理、顯示、存取能力,包括瞬態波形、各種參數動態過程曲線等。
  19. The production volume of high - frequency quartz crystal display was yet to reach a level that reaps most benefit from economies of scale

    高頻石英的產量目前尚未達致規模經濟效益的最佳水平。
  20. Gets the display mode s spatial resolution, color resolution, and refresh frequency

    獲取顯示模式的空間解析度、顏色解析度和刷新率。
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