采樣數據系統 的英文怎麼說

中文拼音 [cǎiyàngshǔtǒng]
采樣數據系統 英文
sample-data system
  • : 采名詞(采地) feudal estate
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 數據 : data; record; information
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動脈沖及同步控制信號;視頻輸出信號經預處理后,由高精度ad轉換模塊進行,將ccd輸出的模擬信號轉換成字量;最後,將送入arm處理中進行后續處理。
  2. The architecture and design methods of - modulators are studied. based on it, the bits of quantizer, oversampling - ratio and the orders of modulator have been designed

    對調制器的結構和設計技術進行了研究,根要求設計了量化器位,調制器過比和階
  3. The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system

    硬體有兩路模擬採集通道,模擬信號輸入范圍為0 ? 5v ,轉換精度為12位,最高率400ksps ;包含4片dsp ( adsp2181 )構成的流水線型的處理陣列,可用於實現各種演算法;的控制邏輯由fpga完成。
  4. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文根溫度靈敏度、角解析度、成像時間等參要求,對天線類型、直徑,接收機類型、積分時間、射頻增益、視頻放大器增益,定標方式,採集卡的頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設計。
  5. The main technique of solid state memory system include the techniques of design for reliable and lower power dissipation and valid data sampling, data framing and encoding, data storing and retrieving on high speed, data disturbing and frequency difference processing

    星載固存設計的主要技術包括可靠性設計、低功耗設計、有效組幀編碼、高速存儲及回放,加擾,輸入輸出頻差兼容設計等技術。
  6. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)?處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根常規的比例?積分?微分( pid )調節模型,針對陀螺的特性,給出了一種可以滿足要求、值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下穩流性能的對比、分析在論文最後給出,並此找出了決定該穩流精度的關鍵因素,提出了的改進意見。
  7. The system is able to complete the data sample of 32 signals input, and has the ability to sample simultaneously of per 4 signal inputs. the conversion is 8 bits, and the sample rate of per channel is not less than 400hz. in addition, this data conversion system also have the ability of data storage without power supply, and the data size in flash memory is amount to sample 5s " of 32 signal inputs

    整個採集完成對32路輸入信號的,而且可對每4信號路進行同步, ad轉換精度為8位,每路信號率不低於400hz ,另外還具備斷電保存功能,採用flash存儲器保存5秒的,同時也具備與計算饑的epp并行通信介面。
  8. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根要求,充分考慮鐵路上的實際情況,針對具體問題採取了一列的相應措施,如在器件選擇方面選用高精度microconvertor列、具有adcdma連續轉換功能的採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯;在控制方面對于的處理引入了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除中有干擾造成的誤差並計算真值,從而使的準確性得到極大地提高。
  9. In the phase of training, it gets the sampling data from the wave files which were stored in the voice library by using the mci functions. then calculates the character vector ( 12 ranks of lpc and lpcc ) and trains them by clustering method, so we get the templates used by speech - recognition, this templates were stored in the template library. in the state of recognition, after calculating the character vector of input voice, we compare it with the character vectors of templates, and then find the best one or refuse it

    的組成模塊與語音識別的基本構成模型基本一致,在訓練過程中,通過調用mci ( mcimultimediacontrolinterface )提供的函從語音庫中的波形文件中讀取,分幀計算出由12維線性預測和12維線性預測倒譜構成的特徵矢量,並按照聚類的方法進行訓練,得到后續語音識別時需要的模板,存放于模板庫中。
  10. In sample part, we design a data acquisition system, which includes a / d conversion and sampling control code

    熱輥溫度控制的組成:通訊和智能控制三個部分。
  11. The frequency of sampling, the number of signals and the total data quantity can be controlled by the program made for this acquisition system

    本採集頻率、通道總量可以由自編的程序控制。
  12. Software design includes many aspects, such as design of interface, interrupt and clock control, monitoring, etc. sampling and accessing quickly data of chromatogram peak is an important tache to ensure analytic and real time performance of chromatograph, fifo make high - speed input and output of a / d sampling data possible, and expended memory, instead of disk, save a great deal of peak data and process parameter

    硬體由cpu 、 a / d 、 d / a 、顯示驅動、實時鐘五個模塊組成,軟體設計包括譜峰的高速採集和存取、人機界面的設計、中斷和實時鐘控制、監測控制等方面的工作。譜峰的高速採集和快速存取是保證工業色譜儀分析性能和實時性的重要環節,採用了fifo存儲器技術實現a / d的高速輸入輸出,使用擴展內存代替硬盤存貯過程參和海量的譜峰
  13. Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault

    鑒于實驗室已有的小電流接地選線硬體的研製只通過了實驗室里的動模試驗,故選用matlab軟體對小電流接地進行大量的單相接地故障模擬試驗,模擬的率和硬體基本一致,由於硬體中帶有低通濾波器,故在進行的morlet小波分析時先採用db15小波對進行一維離散小波的多尺度分解,使得分解得到的低頻信號剛好包括了小電流接地單相接地故障時的暫態高頻信息,然後對這一信息再繼續進行小波演算法分析,分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
  14. The controller takes full advantage of the features of ti tms3201f240xa processor, such as high performance processing capabilities, plenty of peripherals on chip and high real time control. by the vital of these features the fast ac sampling, synchronic pulse, digital shift phase trigger pulse, can bus communication, pid control method and excitation limitations are realized. the pretreatment of the switch signals and the test of the shift phase trigger pulses are realized by using the complex programmable device ( cpld )

    該勵磁控制器充分發揮了tms3201f240xadsp處理器的強大的運算能力、豐富的片內外設資源和較強實時控制能力,用單片結構實現了快速交流字同步脈沖形成, can現場總線網路、以及pid控制演算法和各種勵磁限制等功能;用cpld器件實現了開關量抖動預處理和可控硅觸發脈沖遺漏的檢測,減輕了dsp處理器負擔,提高了勵磁控制器可靠性、抗干擾能力和控制能力;使用vc + + 6 . 0開發的基於windows操作的勵磁調試軟體,人機界面簡潔友好,使用操作靈活方便。
  15. The main design work as follow : four biomedical analog signals input channels " design ; the design of at89c51 microprocessor system which can change the sampling rate ; the dma interfacing circuit design by which the sampling data enter the computer ; the interfacing circuit design between pc and signal amplifier, and the reliability and anti - interference design of this system, etc

    具體設計內容包括:四路生物醫學模擬信號輸入通道設計;以at89c51為核心的可實現速率程式控制調整的微處理器設計;進入pc機的dma介面電路設計; pc機與生物信號放大器之間聯的介面電路設計;以及的可靠性和抗干擾設計等。
  16. This paper proposes an end - to - end utilization control architecture and an ic - eat integration control for end - to - end aperiodic tasks algorithm, which features a distributed feedback loop that dynamically enforces the desired utilization bound on multiple processors. ic - eat integrates admission control with feedback control, which is able to dynamically determine the qos quality of service of incoming tasks and guarantee the end - to - end deadlines of admitted tasks

    在這中,每一個任務由多個子任務組成,子任務之間有著前驅后繼關,形成一個執行鏈chain ,並分階段依次運行於不同的cpu上,比如:一個監控任務需要經過以下3個子任務的處理:傳感器傳輸本地顯示,而每個子任務分別運行在不同處理機上。
  17. The controller assumes no prior knowledge of the thermal characteristics of the heating plant and building. then, a experiment was simulating in malab language and simulink

    Matlab程序的任務是對于熱源使用過程中的進行分析,利用最小方差自校正調節器對起始預加熱時間進行估計。
  18. Sencondly, passive location system nonuniformly - sampled data synchronization algorithm is designed based on the particularity of the passive location nonuniformly - sampled data, which including adaptive system period algorithm with sliding window and fast interpolation algorithm

    Cep其次,針對無源定位非均勻的特殊問題提出了無源定位非均勻同步化演算法,即滑動窗自適應周期計算和快速內插演算法。
  19. Aiming at local distortion of intensity distribution in linearly coded profilometry, the processing methods to rehabilitate or wipe off the aberrance sampled data are proposed, which can improve the performance of measuring system effectively as well as its reliability and practicability

    針對常規線性編碼輪廓術中光強分佈的局部失真,提出修復或去除變異的方法,該方法可有效地改善的測量性能,提高其可靠性和實用性
  20. The keys to the development trend of cpcs ? electronic - electric cpcs are the control method and control law. in this study, a fuzzy logic control was proposed to accomplish the electronic - electric control of the sapc. a fir digital filter is applied after compared with several other digital filters to deal with the fluctuating pressure signal

    針對壓力信號在採集過程中出現波動較大的問題,本文在比較了多種字濾波方法后,選擇了fir濾波方法對進行處理,消除了採集中的高頻噪聲,從而實現對的平滑處理,為控制的實現打下基礎。
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