數字頻率顯示 的英文怎麼說

中文拼音 [shǔzìbīnlǜxiǎnshì]
數字頻率顯示 英文
dfd digital frequency display
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 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
  • 顯 : Ⅰ形容詞1 （明顯） apparent; obvious; noticeable; evident 2 （有名聲有權勢的） illustrious and inf...
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 頻率 : frequency; rate
  • 顯示 : 1 （明顯地表示） show; display; demonstrate; exhibit; evince; manifest; discover; reveal; vision ...
  1. As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool, with digital storage oscilloscope ( dso ), multimeter and digital ondometer in one easy - to - use instrument

    =手持式數字示波表是示波器技術的一個新的發展方向。通過使用大規模集成電路和液晶顯示器，它把數字存儲示波器、數字頻率計、數字萬用表組合在一個手持式儀表體內。
  2. 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。
  3. Identify the error according to error code message which bios s developer provided. 2. swith push - up, digits displayed high low speed turbo normal for

    2 . push switch不按時為speed功能顯示，此時所顯示之數字為主機板高低速頻率
  4. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  5. Fip digital frequency display panel

    數字頻率顯示板
  6. This paper include the following parts. firstly the sine exciting - voltage is guaranteed by direct digital synthesize technology ; secondly the digital output of cos ( 9 ) and sin ( 9 ) are generated by microcontroller ; thirdly the two voltage signals which are the product of the two former signals gained by the multiplying d / a converter, being filtered and amplified, have constant frequency, and one amplitude has sine function relationship of with the input angle, and the other amplitude has cosine function relationship of with the input angle ; finally the two signals are acquired and analyzed by relative instrument and software

    主要由以下幾部分組成：用數字頻率合成技術（ dds ）產生正弦激勵電壓信號u _ msin （ t ） ；用單片機產生幅度的數字量輸出sin （ ）和cos （ ） ；用乘法型d a轉換器實現激勵電壓和幅度的乘積，並通過濾波器和功放后即得到頻率固定，幅值隨輸入角成正餘弦變化的電壓信號；最後用數據採集卡採集輸出信號，顯示波形並進行頻譜分析。
  7. The astrale 8 is the standard for wired speed and cadence, now with a larger display and new design

    本款碼表是標準的有線速度和蹬踏頻率碼表，大數字顯示，新設計。
  8. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  9. Use the import part of an apparatus and strict technique to make sure the quality. use the technology of dsp digital shift frequency, and adopt high speed of a d, d a switch electrocircuit

    反饋消除技術，自動尋找反饋嘯叫頻點，液晶顯示嘯叫頻率，並自動形成數字濾波器，消除嘯叫頻率，能有效提升話筒增益
  10. Is a vesa standard data format that contains basic information about a monitor and its capabilities, including vendor information, maximum image size, color characteristics, factory pre - set timings, frequency range limits, and character strings for the monitor name and serial number

    是一種vesa標準數據格式，其中包含有關監視器及其性能的參數，包括供應商信息、最大圖像大小、顏色設置、廠商預設置、頻率范圍的限制以及顯示器名和序列號的字元串。
  11. The displayer based on pic16f877 mcu, expanded the can communication circuit, the keyboard and the led. in the part of the software design, the intensity signal processing algorithm, the frequency signal processing algorithm and the keyboard program are conducted

    在二次儀表硬體電路設計中，詳細介紹了輸入電流電壓轉換電路、強度信號處理電路、頻率信號處理電路以及電源電路，數字電路部分以pic16f877為核心，擴展了can通訊介面，鍵盤及顯示部分。
  12. The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface

    本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計，以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求，在cpld內集成完整的lcd控制核代碼，並以cpld作為lcd控制器取代專用控制器，以stn彩色lcd作為終端顯示設備，該方案具有功耗低、集成度高、良好的人機介面等特點，適合新一代便攜式測試設備的發展需求。
  13. Results from hspice simulation and foundation show that the band - gap voltage reference of ic is 3. 126v, has a psrr of 65db, an accuracy of 23ppm / in [ 0, 70 ], and the band - pass filter has an gain of 73db, whose band - pass frequency is 0. 1hz ~ 10hz. comparator ’ s window is 700mv. time sequence and functions of digital circuits are normal

    Hspice和foundation軟體模擬的結果顯示，帶隙基準電壓源為3 . 126v ，電源電壓抑制比為65db ，溫度系數為23ppm / ;帶通濾波放大部分增益為73db ，帶通頻率為0 . 1hz ~ 10hz ;雙限電壓比較器窗口為700mv ，功能良好，數字電路時序正確，功能正常。
  14. Digital signal board mainly implements frequency giving, data display and so on. analog signal board mainly detects current signals, voltage signals and implements fault protect

    數字介面完成頻率給定、數據顯示等功能；模擬介面完成電流、電壓檢測及保護等功能。
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