采樣頻率 的英文怎麼說

中文拼音 [cǎiyàngbīnlǜ]
采樣頻率 英文
frequency of sampling
  • 采 : 采名詞（采地） feudal estate
  • 樣 : 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
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 頻率 : frequency; rate
  1. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  2. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為，當信號集中的任一信號可表示為一系列已知信號的線性代數和時，信號集便構成可分解信號集，已知信號稱為基波信號；對可分解信號而言，基波系數構成一序列，當對指定的基波信號集分解唯一確定時，系數序列本身便是信號的一個表示；可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時，則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應，從而由該樣值序列構成的采樣必為完全采樣；可分解信號采樣定理中的推論指出，對信號集進行采樣，采樣頻率必須大於其信號分解的基波數與其對應時長之比；對有限帶寬信號，若基波信號為正弦信號時，由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  3. Wherever data exists, numbers exist, and computers can do marvellous calculations with them. but what does all of that have to do with increasing bits and kilohertz

    不管任何數據或數字資料輸入我們的電腦都能很準確的計算，但是這和增加音質解析度及采樣頻率又有何關系呢？
  4. A 3rd generation converter samples the signal 44, 100 times per second - with a frequency of 44. 1 khz kilohertz. this time resolution exceedingly determines the sound, which we finally perceive : a low resolution sampling or sample rate results in a more muffled sound because quickly oscillating sound waves i. e. high tone are not acquired correctly

    讀取頻率，也就是聲音的采樣頻率，的高低直接影響到我們最後所聽到的聲音，如果采樣頻率不夠高，聽到的聲音會感覺有點糊糊的暗暗的，因為沒有辦法讀取到某些振蕩頻率較高的聲波，也就是高音的部分。
  5. To enhance the system reliability, the sample frequency of the digital correlator is four times as much as that of the pn code

    為了增加系統工作的可靠性，本系統採用4倍于偽碼速率的采樣頻率。
  6. The research results show that the influence of sampling frequency, sampling error of peak value, strobe - position and strobe - width on fft and ifft is obvious

    研究發現，超聲信號的采樣頻率、采樣特徵點、閘門位置及閘門寬度對超聲信號的fft及ifft結果有明顯的影響。
  7. But when sampling rate is high, most traditional digital signal processing and control algorithms are inherently ill - conditioned. considerable progress has been made by the use of delta operator on ameliorating ill - conditioning problems

    研究結果表明，當采樣頻率很高時，傳統的信號處理和控制方法存在著不可避免的缺陷，而採用delta運算元描述代替移位運算元描述方法可以適當地改善這些缺陷。
  8. This system uses multicenter synchronization sampling and dma sampling control method, which has high sampling frequency. the system can realize displaying and analyzing in real time

    該系統採用多通道同步採集，采樣頻率高，且採用dma控制方式，實時性強，能夠實現振動、擺度信號實時顯示和分析等功能。
  9. The main section of the large - size bearing trouble diagnosis instrument is a microprocessor. it can collect, save, analyse data preliminarily and transfer datum to computer on the work sport

    開發易於攜帶、方便現場採集的具有較高采樣頻率、大存儲容量的回轉支承故障檢測儀，以滿足現場採集回轉支承振動信號是十分必要的。
  10. 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。
  11. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。
  12. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。
  13. Although the tread irregularities depth computing result error is a little big due to the sampling frequency is too low. we believe that the tread irregularities depth computing result will improve with enhancing the frequency of the sampling

    擦傷精度雖由於采樣頻率太低的原因而誤差稍大，但趨勢明顯，相信只要提高頻率，擦傷深度的測量精度會改善。
  14. This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands

    文中利用matlab對電壓波動的檢測效果進行了模擬；並對涉及到的濾波器的穩定性做了證明；在自校驗部分提出了將pi （比例、積分）演算法用於數字濾波器增益k值的確定，取得了不錯的效果；然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發，對計算出的p _ （ st ）值進行了比較。
  15. The model includes the obscuration ’ s character of position, shape, scale, number, area percent, greyhound, and it also includes the sampling frequency of analyzing the obscuration and the area of optical component

    該模型包括散射點位置，形狀，尺度，數目，散射面積比，灰度，還包括分析散射點的采樣頻率，散射點所在的光學元件面積等特徵。
  16. 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

    本文根據系統溫度靈敏度、角解析度、成像時間等參數要求，對系統天線類型、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，數據採集卡的采樣頻率、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。
  17. The thought that sampling frequency in targets measure system confirm as 3 is studied for the first time. it is proved from three aspects : the frequency spectrum of track, the error requirement of project and the rate of maximum number of allowable lost points in project

    本文首次就目標坐標測定儀中采樣頻率確定為3hz的思想進行了研究，並分別從目標航路功率譜密度、實際工程中誤差要求和允許的最大漏測點概率等三方面加以論證。
  18. The measurement system consist of computer, 16 - channel high speed data acquisition board, spark plug pressure sensor, crank angle signal generator, charge amplifier and oscillograph. the max acquisition frequency of this system is 1mhz

    由通用微機、 16通道無相差高速數據採集卡、火花塞式壓力傳感器、角標信號發生器、電荷放大器、示波器組成的高速數據採集系統，最高總采樣頻率為1mhz 。
  19. Phase lock and multiple frequency circuit diminishes the influence from frequency fluctuation of electric net ; in addition, multiple channels simultaneous sampling, high - precision circuit decreases the error caused from the sampling tache

    用鎖相倍頻跟蹤電路來提供采樣頻率，以減少頻率波動的影響，用多路同採的高精度采樣電路來減少採樣環節引入的誤差。
  20. Judgment of the point of zero passage is the key factor involved, and a higher sampling frequency should be adopted when the method is applied on situations of large signal amplitude

    其中過零點判定為關鍵技術，當用於信號幅值較大場合時應盡量提高信號采樣頻率。
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