data sampling rate 中文意思是什麼

data sampling rate 解釋
數據采樣率
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. Occupy what held recently " dozenth academic communication meets an epidemiology of countrywide heart and vessels " the data of exposure makes clear, the philtrum of blood pressure has been measured in these, know oneself blood pressure is worth, or whether is him understanding hypertensive number, occupy only by 43. 9 % of investigation number, in addition, the rate taking drug of sampling crowd and rate of blood pressure control are very low also

    據近日召開的「第十二屆全國心血管流行病學學術交流會」披露的資料表明,在這些測過血壓的人中,知道自己的血壓值,或了解自己是否為高血壓的人數,只佔被調查人數的43 . 9 % ,此外,抽樣人群的服藥率與血壓控制率也很低。
  2. The bar - bar impact apparatus of split hopkinson tensile / pressure bar for high strain rate tests of fiber reinforced composites is developed. the components of this apparatus, the data sampling method and software are introduced in details

    研製用於纖維束和纖維復合材料高應變率下力學性能測試的桿桿型沖擊測試裝置?分離式hopkinson桿,描述該測試裝置的硬體構成、信號採集和分析計算。
  3. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統,它具有以下特點: ?採用usb介面進行高速數據傳輸,傳輸速度達100kbyte / s ; ?採用浮點a / d轉換技術,動態范圍達120db ; ?多種采樣觸發控制方式; ?最高采樣率100ksps ; ? 12位采樣精度: ? 32kb數據緩存; ?使用新型大規模電子器件,系統結構緊湊,重量輕,適合野外作業。
  4. In order to improve test precision, techniques such as auto - gain control, proper sampling rate select and dithering should be applied into the data acquisition process, and data pre - processing techniques should be used to eliminate data with careless error and correct data with system error

    為了提高測試精度,在數據採集中,可以採用量程自動切換、合理的采樣頻率以及加擾技術;對採集的數據,需要進行預處理,主要包括剔除含有粗大誤差的數據和消除系統誤差等。
  5. Because of that there is a lowest limit of the sampling rates of each data acquisition system, that is the sampling rate can not be at any value ( especially it can " t be at any high enough ), one can " t get the transient performance of das sometimes, and it may limits the evaluation of their transient performance

    由於采樣周期是有下限的,即採集速率不可能無限高,這在實際應用中常常限制了其瞬態響應特性的獲得,因而也限制了其傳遞函數的辨識和評價。
  6. The sampling technology is also being explored which including lowpass sampling, quadrature sampling and direct passband sampling and the setting of a / d, sampling rate, data acquisition and selecting filtering parameters. the implementation of each technique is also being discussed

    分別對低通采樣、正交帶通采樣和直接帶通采樣技術中有關a d在系統中的位置、采樣率的確定、信息獲取和濾波參數選取等問題進行系統論述,並討論了各自的技術實現問題。
  7. We achieve the voltage data acquisition with the daq card pci - 9820 that made up with adlink. this card has 14 bits resolution, 60m / s sampling rate. the software of the card we design using graphical language labview and c + +

    我們用凌華( adlink )生產的pci - 9820數據採集卡進行電壓信號採集,該卡具有14位解析度, 60m / s的高采樣率。
  8. General speaking, the large number of signal types to be digitalized has led to a diverse selection of data converters in term of architectures used, bits of resolution achieved and sampling rate employed

    一般而言,大量需要數字化的信號要求有各種不同結構、不同解析度、不同采樣率的a d數據轉換器來實現。在比較了各種模數轉換器的結構和優缺點之後,本項目決定採用流水線式( pipelined )的電壓型結構。
  9. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷波勘探的原理和f - k域分析法的計算過程,分析了各參數對瑞雷波相速度計算的影響,通過實驗數據分析了影響瑞雷波勘探的主要因素,就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  10. For super - speed data sampling rate, design the dma bus of telecommunication method. aiming at the hardware system oneself request of security and stabilization, design the reset module, the power monitoring module, the serial eeprom module

    為了保證具有高速的數據采樣率,設計了dma總線的通訊方式。針對硬體系統自身安全性和穩定的要求,設計了復位模塊、電源監控模塊、串列eeprom模塊。
  11. The input votage range is 20mv 10v, frequency range is 0 ~ 20khz. the ad sampling rate is 100ksps, distinguishability is 16 bit. it uses two groups of ram to real - time store the collected data by time - sharing store and access technique, and uses a dsp chip to real - time analyse the frequency spectrum

    信號輸入電壓范圍20mv 10v (七檔量程可選) ,輸入頻率范圍0 ~ 20khz , ad采樣率100ksps ,解析度16bit ,採用兩組ram存儲器分時存取的方法實時存儲採集數據,使用dsp晶元進行實時頻譜分析,通過pci總線與主機進行數據交換。
  12. 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,在單晶元內實現了同步采樣控制、數據編碼傳輸的功能。
  13. ( 2 ) some optimization methods such as differential measurement, isolation are also introduced into this new system. for further improving the data - acquiring rate, parallel - sampling and serial - measurement are combined in this system. it also reduces the cost

    為了進一步提高系統的數據採集速度以實現實時成像,系統採用了并行采樣和串列測量相結合的測量方式,既進一步提高了系統的數據採集速度,又能節約成本。
  14. By using the data of fhd vector proton precession magnetometer in the 1. 0 min. sampling rate, we preliminary analyzed the anomalies of daily - variation spatial correlation before an earthquake occurred in this paper

    摘要應用fhd磁力儀垂直分量分鐘值觀測資料,初步分析了地震之前的日變空間相關性異常。
  15. A precisely evaluation method to the sampling rate of data acquisition systems

    數據採集系統通道採集速率的精確評價方法
  16. The vxibus c - size and i, q channels are employed in this module design, and the sampling rate in each channel reaches 500mhz. the memoty deep of the system is 2mb each channel and cpu is high - speed embedded cpu ( powerpc ). the timing and logic function are fulfilled by fpga. after the disscusion of signal adjusted, the detailed scheme of this module design have been showed. in this design, there is much logic function design, and it is very strict with the hardware language program. so the basic flow of hardware program design and several very important methods of high speed logic function design, which is described by vhdl, are introduced. also, expatiated the inner modules structure of fpga for forepart circuit, the keystone and difficulties of the design. the design of high - speed pcb is another difficuty of realizing high - speed data acquisition system, and it is very important. the timing simulating results of several pivotal modules are depicted. high - speed signal paths are terminated to match the characteristic impedance. the design undergoes integrity analysis and software simulation

    在本模塊的設計中,有著大量的邏輯設計,對硬體語言程序的編寫要求比較高,因此,文中介紹了硬體程序設計的基本流程,以及幾種基於vhdl硬體語言設計在高速邏輯設計中非常重要的方法。同時闡述了本模塊設計的前端fpga的內部模塊結構,設計的重點、難點,並給出了重要模塊的時序模擬結果。高速pcb的設計也是目前實現高速數據採集系統的難點和重點,文中詳細的闡明了高速pcb設計中的注意點,以及作者在設計本模塊時的經驗和心得。
  17. For example, different data transmission rate was realized if the sampling frequency was changed in this thesis

    本論文只要改變采樣頻率就可以實現不同的數據傳輸速率。
  18. 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為核心的可實現采樣速率程式控制調整的微處理器系統設計;采樣數據進入pc機的dma介面電路設計; pc機與生物信號放大器之間聯系的介面電路設計;以及系統的可靠性和抗干擾設計等。
  19. In this paper, we describe the research and realization of the high - speed data acquisition system applied in initial velocity radar. the sampling rate can reach 40msps, and the resolution is 12 bits. the acquisition speed that the system provides can be altered

    本文介紹了基於初速雷達的高速數據採集系統的研製和實現方法,該系統提供了最高40mhz的采樣速率、 12位采樣精度的數據採集通道,且采樣頻率可調。
  20. The host record computer of data acquisition is the embeded pc 104 system, the pc 104 system satisfies the highest sampling rate applying effective buffer technique and storing data in the interval of collection

    利用嵌入式pc104模塊管理大容量的硬盤來解決大量數據的緩存、存儲的問題。軟體設計採用有效的緩存技術,採集間歇時間存盤,滿足本系統采樣率的最高可能需求。
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