數字比較器 的英文怎麼說
中文拼音 [shǔzìbǐjiàoqì]
數字比較器
英文
dc digital comparator- 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 ...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 較 : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
- 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
- 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
- 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
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This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory
論文在全面了解光纖傳感器的分類和特點及分散式光纖傳感器的原理和發展歷程的基礎上,通過分析被檢測的光纖布里淵後向散射信號的特點,研究和比較了微弱信號檢測的各種方法,最終選定了多點數字信號平均(數字boxcar )的處理方案。An improved magnitude comparator in switch - level
一種改進的開關級數字比較器The simulation and experiments indicate that these two methods are simple, fast and accurate. a new optimal design of interleaves based on cascaded mach - zehnder interferometers is also presented. as compared with the two existing methods ( digital signal processing methods and fourier filters ), the present method is simple and intuitive
本論文分析了mach - zehnder干涉儀級聯形式之間的關系,提出了通帶平坦化分叉復用器的新型設計方法,與現有兩種方法(應用數字濾波器設計方法以及傅立葉展開法)相比較,本文提出的設計方法直觀、簡單。Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well
第四章設計和確定了儀器系統軟體演算法的部分參數:分析和比較了不同群延遲特性的數字濾波器對頻率估計的影響;確定了影響頻率估計參數?數據長度的取值規律;給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。Then you have to check also the x and z axes digital comparators
然後你必須檢查x軸和z軸的數字比較器。This converter includes not only analog parts such as the bandgap voltage reference, voltage pump, sample / hold unit, one bit comparator of high precision, multiply - by - two and difference unit, but also digital parts such as register and multiplexer. so the design of this type of converter is mixed signal design
模數轉換器的內部電路包括基準源、降壓模塊、抽樣保持電路單元、高精度的1bit比較器、倍乘作差單元等模擬電路模塊,以及寄存器組、選擇器等數字電路模塊,屬于數模混合電路。This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands
文中利用matlab對電壓波動的檢測效果進行了模擬;並對涉及到的濾波器的穩定性做了證明;在自校驗部分提出了將pi (比例、積分)演算法用於數字濾波器增益k值的確定,取得了不錯的效果;然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發,對計算出的p _ ( st )值進行了比較。Move with the x axis micrometric movement the sharp shadow, till the digital comparator red light is on the zero right position
微調移動x軸接近「十」字比較尺,直到數字比較器的指示燈在零點右邊變亮。You have to do the measurings only when both the digital comparator and the axis in measure focus bar are perfectly steady and exactly in the same points
你不得不做測量,當數字比較器和軸的聚焦條在同一點是確定的、穩定的。In this position do sharp microrotations clockwise and counterclockwise. the focus bar has always to remain at most, while the digital comparator red reference does very small swings
在這個位置對主軸做一下順時針和逆時針移動。聚焦條總是存在,當數字比較器的顯示紅色,存在一些小的震動時。With the focus bar at most, go on the most left point of the digital comparator and now stop the spindle rotation ; the focus bar has to be completely lightened and has not to switch on or off segments
當聚焦條出現了絕大部分時,繼續向左移動數字比較器顯示值停止,停止主軸的旋轉;聚焦條完全的點亮並顯示在屏幕,並且中間沒有分割點。Battery is the only power source for portable equipment. in order to prolong the service time of these battery - operated equipments, ultra - low - power consumption is demanded. the main method that decreases the power losses is to higher the conversion efficiency and to lower the operating voltage
開關變換器內包含了帶隙參考電壓源、誤差放大器、頻率補償電路、三角波產生電路、 pwm比較器以及數字邏輯控制電路,此晶元採用聯華電子公司0 . 6微米cmos工藝。Abstract : the paper analysis control requires of the axial - flow compressor. in order to protect axial - flow compressor from the surging, using the programming single - loop adjuster ( its kernel is a microprocessor ) as the adjuster, comparing with the traditional analogy / digital adjusters, can make the system much simpler, more functional and more reliable
文摘:分析了軸流壓縮機工況的控制要求和控制方案.採用了以微處理器為核心的智能儀表? ?可編程型單迴路調節器作為控制調節裝置,與傳統的模擬/數字調節器和繼電器開關組合的方式比較,系統構成簡單,控制功能強,可靠性高,為實現軸流壓縮機防喘振控制提供了一種集約式設計方案Through simulation and calculating the four models, the influence on proportion coefficient, integral time constant, derivative time constant and partial feedback coefficient for system performance is analyzed. the ideal reference value of every parameters and step respond curves are given. the simulation result may be used as reference for making analogue controller or digital controller
通過對這四種模型的模擬研究,分析了各模型中比例系數、積分時間常數,微分時間常數及局部反饋系數對系統性能的影響,並給出了各參數較為理想的參考值及階躍響應曲線,模擬結果對製作模擬控制器及數字控制器有一定的借鑒作用。After compared lots of literatures and methods, we offer the norm for selecting different filters. that is to say, in arrhythmia analysis, the integer coefficient lowpass filter is adopted, while in heart rate variability analysis, the high pass filter designed by all - pass minus low - pass filter or filter which can remove both baseline wander and 50hz power - line frequency at one time is used
在對大量文獻進行比較、研究的基礎上,針對不同的臨床應用目的,提出了各種濾波器的選用準則:在心律失常分析中選用整系數低通數字濾波器對原始心電信號進行濾波;在對心率變異信號進行分析時需先用低通濾波器濾波然後再採用全通減低通方法設計的高通濾波器或者一次性濾波器進行濾波。Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically
本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。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。This paper achieves expected digital filters program through algorithms descriptions, analyzing and realization, simulation, comparing on error and speed. this paper achieves expected digital interpolations program through algorithms descriptions, analyzing and realization, simulation, comparing on error and speed
本文應用matlab信號處理工具箱,通過對數字濾波器演算法的描述、演算法分析、實驗模擬、誤差比較,及性能比較,最終獲得滿足要求的數字濾波程序,並編譯成c + +源代碼文件配合主程序調用,完成了系統聯調。We should pay attention to the elimination of error in the measurements, for example the exerting of " window " and " double windows ". for exerting of the rapidity of measurements, we exerting the developed arithmetic interpolate in the measurements, the interpolate exerting for the digital oscillograph, the rapidity of measurements is improved more and more
比如泄漏問題和柵欄問題,以提高測量的精度;在開發頻譜分析的同時,注重測量過程中的誤差消除,比如窗體、雙窗法的運用;為了進一步提高測量的速度,我們運用了現在發展比較成熟的內插演算法,將內插演算法運用到數字示波器上,大大提高了測量速度。The transmission method and control theory of the hydraulic traveling system of the paver are analyzed in the paper. and so on, a specific and reasonable strategy has been put out. the paper accomplishes the hardware design of the control system utilizing dsp and the software utilizing cc2000 software
本文對攤鋪機行駛驅動的液壓系統及其控制方式進行了分析,提出了比較合理的控制方案,用dsp作為數字控制器的核心器件完成了控制器的硬體設計,利用了cc2000軟體完成了控制器的軟體設計。分享友人