數字分析器 的英文怎麼說
中文拼音 [shǔzìfēnxīqì]
數字分析器
英文
digital analyser- 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 ...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 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
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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。Meanwhile, the influence of doppler effect on pn correlation is analyzed. the realization principle and structure of the digital correlator is analyzed, and then the realization form of the classical and modificatory structure of the correlator is introduced
詳細分析了數字相關器的實現原理和實現結構,給出了經典結構和修正結構兩種結構的實現形式,分別對兩種結構進行了模擬分析,並對不同的實現形式進行了對比。The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。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。To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣率轉換的數字濾波器的特點,即多相濾波實現數字上下變頻計算負擔的減小,之後進一步將多相濾波器與頻譜搬移部分結合,通過公式的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。Based on the principle of the ultrasonic cross - correlation flowmeter, the key factor of the development of cross - correlation flowmeter, namely the design of cross - correlator, is analyzed in the paper. digital signal processing is introduced to design the flowmeter, the cross - correlation operation of random noise signal is dealt with inside the frequency field, and the digital cross - correlator is designed
本文從超聲相關流量計的工作原理出發,分析了超聲相關流量計研製的關鍵因素,即相關器的設計,並將數字信號處理技術引入了超聲相關流量計的設計,在頻域內對流動隨機噪聲信號進行相關處理,構造了數字相關器。Manufactures infrared detectors for telecommunications, aerospace, medical instruments, wireless internet, chemical detection and analysis
-主要產品有示波器信號發生器數字示波器電橋邏輯分析儀頻率計等。The precise digital measurement of the dead - time for a multichannel analyzer
多道分析器死時間的精確數字測量This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design
首先進行了方案論證,對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參數時變性和非線性因素對控制性能的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠性不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性高,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。Word breakers and stemmers perform linguistic analysis on all full - text indexed data
斷字元和詞干分析器用於對所有全文索引數據執行語言分析。Performance analysis of a digital divider
一種數字分頻器的設計及性能分析In the body of the dissertation, different performance indexes are defined and analyzed based on the analysis of different types of fwl errors in digital controller, and different fwl digital controller design and realization problems are considered and solved. the major contributions of this dissertation are as follows : considering the fwl errors of controller coefficients, define and analyze the closed - loop transfer function sensitivity measure with respect to the controller coefficients, obtain the optimal controller realizations via minimizing the transfer function sensitivity measure
本論文首先對數字系統,特別是數字控制器設計與實現中的有限字長問題和非脆弱控制器設計的背景、歷史發展情況等作了簡單介紹,然後通過分析數字控制器中不同來源的有限字長誤差,定義不同的性能指標,較系統地分析並討論不同的有限字長數字控制器設計和實現問題。Then in this paper i develop a principle and subordinate dimmer depending on the lighting products made in national. also, it provides the new design scheme combining the eib ' s dimming driver with the national principle and subordinate dimmer, which can reduce the average costs but guarantee the opening, compatibility and standard criterion of eib. the scheme solves the problem - expensive price and spread the eib ' s small system and independent system ' s integrate pattern when we extend the eib
研究分析了eib的電氣安裝配線技術;借鑒松下照明產品,研製開發了主從式數字調光器;創新的提出了eib調光驅動器+松下主從調光器的設計方案,在保證eib協議的開放性、兼容性和標準規范的同時,降低了節點平均成本,合理的解決了eib推廣過程中遇到的最大難題? ?價格過于昂貴,拓展了eib在小系統和獨立子系統中的集成模式。Prototype of the symmetrical typical voltage space - vector of open - loop variable frequency speed system is designed by using the tms320f240 digital controller and the ipm ( intelligent power model ), with which had a exam on the motor and the experimental results are also given. from the results we can conclude that the results are according with the theory analysis
利用ipm智能功率模塊,設計了採用基於tms320f240數字控制器的對稱空間電壓矢量的開環變頻調速系統的原理樣機,對電機進行了空載實驗,給出了它們的實驗結果,實驗結果和理論分析相一致。An attempt is made to explore self - induced emf in theory by a quantitative means, and to demonstrate the corresponding contents or its experimental design by using the instruments such as voltage effect and digital oscillograph
摘要用定量研究的方法,從理論上對影響自感電動勢產生和測量的因素進行了探討分析,同時用「電壓效應」和數字示波器等儀器對相應內容進行了演示或驗證性實驗。At last, the paper describes the digital oscilloscope and signal analyzer which developed with the daq module in details. they can analyze the received data from the daq, then display the input signals and the analyzed results in the soft panels
最後,本文詳細介紹了利用這個數據採集模塊自行開發的虛擬儀器? ?數字示波器和信號分析儀,它們對來自數據採集模塊的信號進行分析,並把信號和分析的結果顯示在軟面板上。The wavelet transform filter and infinite impulse response ( iir ) digital filter is applied, and the output signals of the three filters are compared
此外,本文還對陀螺信號進行了小波變換濾波和iir數字濾波器濾波並對上述三種方法的濾波性能進行了對比分析。Through the research of direct digital synthesizer ( dds ) used as a divider in phase lock loop ( pll ), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized
摘要通過對直接數字合成器在鎖相環路中作為分頻器應用的研究,使頻率合成器可以在實現超細頻率解析度的同時達到高的頻譜純度。Focused on the sine model of the speech signal creation, and finished the reconstruction by using it. at the same time, based on the knowledge of digital signal processing, reconstruction by harmonic correction and time variant digital filter was proposed
分析了語音信號產生的正弦模型,並在此基礎上完成了骨導信號的語音重構;與此同時,結合數字信號處理知識,分別用諧波修正和時變數字濾波器的方法,完成基於骨導信號的語音重構。Graphics display is vital one of three main function parts of virtual instrument ? ? signal collection, digital processing and result expression. it is also one difficulty of virtual instrument ' s software developing. while there is much similar character in many occasion, so it is necessary to research and develop a good generality, many functions and more humanity intelligent virtual display screen
圖形顯示是虛擬儀器三大功能部分? ?信號攫取、數字分析和結果表達的重要組成部分,也是虛擬儀器軟體開發的難點之一,然而大部分虛擬儀器的顯示都有很多相同之處,所以開發一種通用性好、功能強大和人性化的智能虛擬顯示器,是很有必要的。分享友人