數據采樣率 的英文怎麼說

中文拼音 [shǔcǎiyàng]
數據采樣率 英文
data sampling rate
  • : 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...
  • : 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
  • : 率名詞(比值) rate; ratio; proportion
  • 數據 : data; record; information
  1. It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given

    在硬體電路實現上,注意選擇信號傳感器;合理設計了信號放大電路和濾波電路;設計了頻跟蹤電路,/保持電路;結合軟體控制選用了12位高精度的a / d轉換器,使軟體編程簡化且具有較高的靈和性和可擴展性。
  2. 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採集系統,它具有以下特點: ?採用usb介面進行高速傳輸,傳輸速度達100kbyte / s ; ?採用浮點a / d轉換技術,動態范圍達120db ; ?多種觸發控制方式; ?最高100ksps ; ? 12位精度: ? 32kb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。
  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

    系統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400ksps ;系統包含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;系統的控制邏輯由fpga完成。
  4. Optimal robust sampled - data control for nonlinear systems

    多速系統故障檢測濾波器設計
  5. Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency

    快速測頻演算法的具體實現:使用并行流水線的設計方法,提高了系統的吞吐,在100mhz的系統時鐘下,能夠實時處理400mhz ~ 600mhz速a / d,在64點, 100mhz系統時鐘情況下,初次測頻佔用時間640ns ,以後每次測頻佔用時間縮短到160ns ,實時地提供多相濾波下變頻所需的載頻位置信息,縮短了接收機的調諧時間。
  6. Therefore, how to get the near - field sampling data quickly and accurately is of great importance for improving the efficiency of the near - field measurement technique

    如何在保證精度的前提下,加快近場的速度是一個值得研究的理論和實際問題。它對提高近場測量的效有重要的意義。
  7. From computer directly, the device can get data from two specifically wav files which have double channels of data, and whose sample rate are 44100, and whose resolution are 16. then it makes digital signals convert into anolog signals and amplify them at the same time. at last, according to actual need, it can supply continuous anolog audio output of enough power and high fidelity at different speed

    該設備可以直接從計算機獲取兩個雙聲道、 16位解析度、 44100hz的wav ( waveform )聲音文件的,並同時將兩個聲音文件的進行模轉換和信號放大,最終以能滿足實際生產需求的較高速連續地輸出具有足夠驅動能力和高保真度的模擬信號,為終端高速磁帶復錄子機提供穩定可靠的音源。
  8. 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採集卡進行電壓信號採集,該卡具有14位解析度, 60m / s的高
  9. The research of this thesis has the following characteristics : ( 1 ) the holter developed in this thesis can sample ecg data with high accuracy, high sampling rates, and also can sample several channels simultaneously, therefore the performance has been improved greatly. ( 2 ) this holter can analyze ecg data in real - time

    本論文的工作有如下特點: ( 1 )研製的動態心電記錄儀可對心電進行高精度、高、多同道同步,性能得到了很大提高; ( 2 )該記錄儀能夠對心電信號進行實時分析。
  10. Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board

    本採集系統採用400mhz增益帶寬積的運算放大器,運用da高精度校準技術,並選用高低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計,既保證了採集系統的信噪比,又提高了系統測量精度。
  11. 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,大量需要字化的信號要求有各種不同結構、不同解析度、不同的a d轉換器來實現。在比較了各種模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。
  12. Based on these, it is discussed how to realize and simplify it in dsp system. the primary parameters of the hardware system are also estimated such as sample frequency, calculation period and the amount of memory

    並在此基礎上,分析了該演算法在dsp處理器中的實現以及運算量的初步簡化,估算了該波束形成演算法所要求的硬體系統載荷? ?運算量(計算周期) 、以及存儲量。
  13. 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

    整個採集系統完成對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,每路信號不低於400hz ,另外系統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。
  14. It is presented that a new method makes use of some data with fixed - sampling - frequency, which can capture the signal frequency real - time and realize the integral period sampling again through the software

    提出了一種全新的方法,用固定不變的,通過軟體實時地確定信號的頻並且實現信號整周期重新
  15. This cpld based on - site monitoring data acquisition card can flexibly realize 3 triggering ways, including software triggering, hardware triggering and external triggering. in addition, this card can also realize optional 128 or 256 signal multiple frequency sampling. the fifo module in cpld ' s inner eabs ( embed array blocks ) further lead to the convenience of data saving and loading

    由於引入了cpld的控制技術,使採集卡的工作方式更靈活,可實現3種觸發方式的任意選擇,包括軟體觸發,硬體觸發和外部觸發;可控制,可選擇128或256信號倍頻;由於cpld內部有eab模塊,可實現內部fif0 ,使的存取更為方便。
  16. In such way, the frequency, the virtual value, the harmonic and power factor are acquired. it can achieve the intelligent control by way of cooperating with master station automatic apparatus system through adopting rs - 485 communication standard

    同時根值系統計算了頻、有效值、諧波、功等電量,並通過rs - 485通信口與二級子站微機相配合,達到智能控制的作用。
  17. 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,分析了各參對瑞雷波相速度計算的影響,通過實驗分析了影響瑞雷波勘探的主要因素,就如何選擇最佳、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  18. 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。
  19. The system makes up of two parts : subordinate part is the measure instrument, it also is principal part ' s data collection equipment, it makes use of microcontroller ' s advantage, it intelligentizes the management and data collection circuit, it has liquid crystal display and 4x4 keyboard, it can work alone on the field, so it is very convenient and ensures the credibility of data sampling ; principal part is virtual instrument software on personal computer, the software can be installed in notebook pc and work with subordinate part on the field, it extends the subordinate part ' s function, the teachers also can use it as demo teaching

    系統的設計借鑒了主從式虛擬儀器設計的思想,系統由主機和從機兩部分組成:從機部分即為光合、蒸騰速測定儀,也是主機的採集器,它利用單片機功能全面的優勢,使調理電路和採集電路智能化,它配備lcd顯示器和4 4鍵盤,可以獨立野外測量,從而使虛擬儀器在保證可靠的前提下,更加方便實用;主機就是pc機的虛擬儀器軟體,既可以安裝在筆記本電腦上,與從機組成便攜式儀器系統進行實地測量、處理,擴展從機功能,又可以作教學演示。
  20. In addition, in order to make the acquisition of wave data, image processing method and the threshold approach are given to resolve data sampling and detect r wave

    另外,在心電信號過程中採用了圖像處理的方法,實現了一定頻;並且利用閾值法對r波進行準確定位,從而保證了波形的準確性和可靠性。
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