采樣單元 的英文怎麼說

中文拼音 [cǎiyàngdānyuán]
采樣單元 英文
sampling unit
  • : 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
  1. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是,在再生核空間中,利用積分運算建立了空間與hilbert空間的等距同構關系;並且從haar小波出發,由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波,使得再生核空間可以由小波空間來刻劃;從而對空間中的函數,給出了小波逼近具體表達式和相應的公式,形式簡易於數值分析。
  2. Every column in sensor array work in parallel and have their own cds noise reducing circuit. the signals after fpn reducing are output from the output buffer amplifiers

    傳感陣列中各列感光的傳感信號并行輸出,分別由對應的相關二次電路進行降噪處理,去除固定模式噪聲后的信號通過輸出緩沖放大電路進行輸出。
  3. The system exhibits fast response for the load current disturbance and the system always operates at discontinuous conduction current mode so that no slope compensation is required and high efficiency will be achieved when driving 4 leds. the design and analysis of sub - block circuits are provide in the thesis where band gap reference, oscillator, current sensing and over current protection, led load current

    本文完成了各個電路的分析與設計,著重分析了帶隙基準源、振蕩器、和過流保護、負載led電流控制和開負載保護五個子電路,對其餘子電路也作了簡要分析。
  4. This system uses the mutual independent p89c58x2 single chip to be a sampling and judging and entering unit on the length, width and highly directions. in the meantime, the p89c58x2 carries on communication with the computer and transmits measuring data through rs485

    在長度、寬度、高度三個方向上使用相互獨立的p89c58x2片機作為、判斷、進給控制;同時通過串列介面rs485與上位機進行通訊,傳送測量數據。
  5. Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel

    在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永磁電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控、電流及預處理和位置及預處理等主要部分)組成整個液壓泵電動機系統。
  6. Through describing the space sampling process of ccd, the composing factors of modulate transfer function ( mtf ) of ccd integral sampling process are analyzed. meanwhile, an effective method to analyze the mtf of discrete sampling image system is put forward and is used to analyze and compare mtfs of sub - pixel image system and singlechip ccd system. as a result, definitions of ccd optical transfer function ( otf ) and optical mtf are presented and effective methods to measure ccd mtf are brought forward

    本文通過對ccd器件空間過程的描述,詳細分析了ccd積分過程調制傳遞函數的構成要素,提出了分析離散成像系統調制傳遞函數的有效方法,並用該方法分析比較了亞像成像系統與片ccd系統的mtf ,給出了ccd器件光學傳遞函數( otf )和光學調制傳遞函數( mtf )的定義,提出了檢測ccd調制傳遞函數有效方法,採用幾種不同測量方法測定了tdiccd的調制傳遞函數,並進行了比較分析。
  7. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly

    提出了一種簡、易於實現的恆定束寬波束形成器設計方法,該方法對陣形和陣指向性沒有任何限制;分別提出了基於陣列接收數據重、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計方法,對于每一種設計方法都給出了一個設計實例並做了性能分析;提出一種基於dft插值的簡化線性約束最小方差寬帶自適應陣列演算法,該方法可以大大降低自適應陣列的運算量。
  8. The system selects micro control unit and programmable logic device as the core of controller, gsm terminal module as communication device, gps as position equipment, a / d sampling for voltage and current checking, solar battery as power supply, switch dc - dc as power voltage conversion, and so on

    以微處理與可編程邏輯器件為核心搭建系統控制器,選擇gsm無線通信模塊實現系統通信,全球定位系統實現水標燈定位, a d與轉換實現電壓電流檢測,太陽能電池為系統供電,開關型dc - dc實現電源電壓轉換。
  9. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    測距雷達系統的控制和信號處理的核心晶是motorola公司的dsp型16位片機56f805 ,由它對超聲波回波脈沖進行ad后,計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行,計算出目標運動速度后,送給輔助控制晶? ?飛利浦公司生產的基於c51內核的增強型片機p89v51 ,並且在液晶顯示器上顯示速度信息。
  10. With the exist of fpga chip ep1k30tc144 - 3, several hardware functions are realized in the chip, such as sample controlling logic, fifo inside, the connection circuit with pc, the connection circuit with mpu, the connection circuit with keyboard

    系統採用了fpga晶ep1k30tc144 - 3 ,並且在晶內集成了控制邏輯,內置hfo ,上位機介面,片機介面以及鍵盤介面等多個功能模塊,使得數據採集卡的結構大大簡化。
  11. In the digital ultrasonic flaw detectors, backward - wave signal is sampled and changed through the highspeed a / d converter, and we ' ll get a large number of datas. because datas are not all be used to draw testing curve, they must be compacted. lt is necessary to compress so much datas, so data - compaction instrument must be designed and used. here introduces the principle of data - compaction instrument, and designs a exclusive instrument using isp which may change compression point and automatically provide 1024 consecutive addresses of outside data storage unit

    在數字化超聲波探傷中,回波信號經高速a d變換后,會得到大量的採集數據。但在探傷曲線的描繪中並不是用到所有數據,因此要對這些數據進行壓縮處理,這就需要用到數據壓縮器,這里介紹了一種應用在線可編程技術及器件實現對大量數據進行快速壓縮的方法,並設計了一種新型的專用isp數據壓縮器,該壓縮器具有壓縮點數可調,可自動提供1024個連續的外部數據存儲的地址等特點。
  12. By using high - speed data acquisitioning unit designed specially to capture travelling waves of transient current, using global positioning system ( gps ) to supply high precise time tagging for both ends, using wavelet transform theories to identify the head of the travelling waves, the fault locator can realize high precise double - ended travelling waves location

    該測距裝置採用專門設計的高速采樣單元捕獲暫態電流行波信號,用全球定位系統( gps )為線路兩端提供精度高達1 s的統一時標,用小波變換理論識別暫態電流行波波頭信息,從而可以實現高精度的雙端行波法測距( 150m ) 。
  13. The data - sampling section completes analogue - to - digital conversion using fpga and high speed adc, then transmits these data to processing communication equipment in some format. because fpga has high speed processing capacity, this section can obtain very high sampling rate

    數據採集部分採用現場可編程門陣列( fpga )作為與模數轉換器件( adc )的介面,在內實現了同步控制、數據編碼傳輸的功能。
  14. Using the high - performance digital signal processor ( dsp ) as cpu, the author designs the medium - speed sampling and processing unit of the fault locator. on the one hand, this unit can sample voltages and currents of the line synchronously ; on the other hand, this unit can start the fault locator up and select the fault lines when faults occur

    本文作者還以高性能的數字信號處理器( dsp )為cpu設計了測距裝置的中速處理,該處理一方面可以實現線路電流電壓信號的同步數據採集,另一方面可以完成測距裝置的故障啟動和故障選線任務。
  15. Limited by adc chip ’ s manufacturing processing, it is hard for a single adc chip to acquire the high sampling rate and high precision at the same time. the method of parallel times - interleaved sampling adc system is effective to solve this problem

    受模數轉換晶發展水平的限制,片adc晶很難同時滿足高速高精度的要求,多片adc并行交替技術是突破採集系統這一瓶頸的有效方法之一。
  16. Element - stiffness matrix baseline parameters and modal strain energy are employed for the selection of the base modes. an updated - latin hypercube sampling and modal assurance criteria are adapted for efficient generation of the inputs

    剛度矩陣基本值和模態應變能來選擇基本模態,用修正的latin超立方技術和模態準入準則來產生網路的輸入數據。
  17. And denied the way to get a interpolation - operator by theory and experiment, which just simply cuts out and samples the sinc function. 2

    另外,從理論和實驗上否定了「簡地通過對sinc函數進行截取、來獲得插值運算」的方法。
  18. Hardware controller uses the at89c51 monolithic integrated circuit, a / d transformation uses 12 bit transformations chips max187, has completed the design of a front channel for sampling and processing the simulated signal

    其中硬體片機採用at89c51片機, a / d轉換採用12位轉換晶max187 ,完成了模擬信號從到處理的整個前向通道設計。
  19. At the same time, using two - terminal voltages and currents sampled by the medium - speed sampling and processing unit synchronized by the pulse per second ( 1pps ) of gps, the fault locator can realize accurate double - ended steady - state location

    同時,線路兩端的測距裝置利用gps的同步秒脈沖信號( 1pps )控制各自的中速處理對線路的電壓、電流信號進行同步,用這些同步採集到的數據還可以實現精確的雙端穩態法測距。
  20. To understand the structure and the function of the programmable digital down - converter ( ad6620 ) deeply, to complete the design of the circuit and the hardware realization of the if digital orthogonal demodulation cell, to introduce the testing method and the testing results of the amplitude consistence error and phase orthogonality error of the output demodulation signals

    完成中頻采樣單元的電路設計和硬體實現,詳細介紹高速adc主要動態特性的測試方法和測試結果; 3完成中頻數字正交解調的電路設計和硬體實現,給出解調輸出i 、 q兩路信號的幅度一致性誤差和相位正交性誤差的測試方法和測試結果;
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