sample frequency 中文意思是什麼

sample frequency 解釋
采樣頻率
  • sample : n 1 樣品,貨樣。2 標本;榜樣,實例。3 【統計】典型取樣,抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. If the sample absorbs at the frequency of the impinging light, then the light leaving the prism will be attenuated.

    如試樣吸收一部分入射光,那麼離開棱鏡的反射光,將衰減一小部分。
  2. Design of hardware consists of three pll loops, micro wave sample mixer, fractional - n frequency divider

    硬體電路包括三個鎖相環,取樣混頻器,分數分頻器的設計等。
  3. 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。
  4. 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。
  5. In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論。
  6. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論,簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論,同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。
  7. First, realized a wegener - willie distribute based network traffic anomaly detection algorithm. we make use of wegener - willie distribute to analyze the inherent time - frequency distribution characteristics of the traffic flow signal. then according to the experience of analysis on historical flow, we construct a normal flow training sample aggregation and a abnormal flow training sample aggregation

    通過魏格納-威利分佈分析網路流量信號在時頻分佈上所反映出的內在特點,根據歷史流量的經驗構造正常流量和異常流量兩個訓練樣本空間,通過k最近鄰分類演算法將帶檢測流量信號的時頻分佈與訓練樣本進行比較,完成對檢測樣本的自動分類識別。
  8. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時,要求地震儀長時間記錄地震信號,這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制,絕大多數地震儀很難對如此大的數據量進行記錄,同時,可控震源要求地震儀有兩個輔助通道並且具有數據相關功能,目前國內還沒有出現滿足要求的地震儀產品。
  9. Beginning this month ( august ), the update frequency of tropical cyclone track on the website will increase from every three hours to every hour whenever the tropical cyclone warning signal no. 3 or above is in force. this is to make it easier for members of the public to obtain updated information on the intensity and movement of the tropical cyclone ( see figure 1 for a sample of the hourly tropical cyclone track )

    為了讓本港市民更容易掌握熱帶氣旋的最新強度及移動情況,天文臺由今年八月開始,當三號或以上的熱帶氣旋警告信號生效時,增加網頁內熱帶氣旋路徑圖的更新次數,從以往的每三小時更新一次,加密至每小時一次(每小時熱帶氣旋路徑圖樣本見附圖一) 。
  10. Beginning this month august, the update frequency of tropical cyclone track on the website will increase from every three hours to every hour whenever the tropical cyclone warning signal no. 3 or above is in force. this is to make it easier for members of the public to obtain updated information on the intensity and movement of the tropical cyclone see figure 1 for a sample of the hourly tropical cyclone track

    為了讓本港市民更容易掌握熱帶氣旋的最新強度及移動情況,天文臺由今年八月開始,當三號或以上的熱帶氣旋警告信號生效時,增加網頁內熱帶氣旋路徑圖的更新次數,從以往的每三小時更新一次,加密至每小時一次每小時熱帶氣旋路徑圖樣本見附圖一。
  11. Then, with respect to the objective of minimizing the total experimental cost, the optimal test plan ( including the sample size, inspection frequency, and the termination time needed by the classification rule for each of competing designs ) is derived by solving a nonlinear integer programming with a minimum probability of correct classification and a maximum probability of misclassification

    首先,我們提出一種具直觀優點的分?法則,然後以總試驗成本的最小化為目標,並賦予一正確分?的最小機?要求和錯誤分?的最大容許機? ?個限制條件,以決定出在所提出的分?法則下,各競標設計樣式所需的樣本? 、 ?測頻?和試驗終止時間的最佳組合。
  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. 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。
  14. 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。
  15. It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave

    對單頻正弦信號的分析結果表明,應用局域波分解對信號進行分析時,要對信號進行過采樣。
  16. 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) 、采樣率以及數據存儲量。
  17. This is because of the chattering phenomena which caused by the limited sample frequency and time - delay

    ?這是由於有限高的采樣頻率和滯后所產生的抖振造成的。
  18. In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency

    在脈沖編碼調制中,信號頻率和取樣頻率之間的差拍所引起的偽信號。
  19. Based on the study of local wave method, the effect of sample frequency was discussed

    摘要在分析了局域波方法特徵的基礎上,深入探討了采樣頻率對局域波分解的影響。
  20. All sampling requirements ( sample frequency, quantity, checking parameters, etc. ) well specified and documented

    所有抽樣要求(抽樣頻率,數量,檢驗專案及參數等)都有詳細說明和有文件證明
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