flicker frequency 中文意思是什麼

flicker frequency 解釋
閃變頻率
  • flicker : n 1 閃爍，搖；忽隱忽現；撲動。2 〈美俚〉假裝昏倒的乞丐。3 〈 pl 〉 〈美俚〉電影。4 〈flickers〉〈...
  • 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. According to iec ' s standards involved, voltage fluctuation and flicker become a index of power quality. but the research in those aspects such as harmonic frequency excursion and ect

    然而，人們對于電能質量中諸如諧波、頻率偏移等方面的研究相對電壓波動和閃變來說要多得多，研究得也較成熟。
  2. Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress

    現行的廣播電視系統由於採用隔行掃描方式，從而有效地壓縮了電視信號的頻帶，有利於傳輸；但由於這種方式使得圖像的掃描行數少，場頻低，導致了重顯的電視圖像有大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。
  3. The effects of illumination light source s frequency flicker on vision function

    照明光源的頻閃對視功能的影響
  4. The system is of some sense of stereovision and can emancipate the operators from the shackles of microscope eyepieces. flicker is a fatal drawback of the system. based on the analysis of the whys of the flicker phenomenon a kind of flicker - free three - dimensional imaging system based on frequency duplication is then designed

    從模擬時分立體成像系統到基於倍頻的無閃爍立體成像系統，再到帶視頻信號處理功能的無閃爍立體成像系統，圍繞著實現立體、消除閃爍、增強圖像顯示效果等三方面對時分式立體顯示系統進行了深入的研究。
  5. This paper addresses the buildup of an electric power supply and distribution system as well as equipment configuration of a frequency variable speed regulation system in ku - shan oil pipeline and describes the phenomena of voltage offset, voltage flicker, voltage distortion and frequency offset

    摘要介紹了庫鄯輸油管道供配電系統的組成及變頻調速系統的設備配置，對電網波動造成的電壓偏移、電壓閃變、電壓畸變、頻率偏移等現象進行了闡述。
  6. At the same time, with the rapid development of electric power industry, stabile power quality issues, such as voltage fluctuation and flicker, frequency fluctuation, harmonics, have increasingly captured considerable attention from utility companies and their customers

    同時，隨著電力工業的快速發展，穩態電能質量問題如電壓波動、頻率波動、諧波等，已經引起了足夠的重視。
  7. Theoretical analysis and simulation results show that it is mainly flicker noise, not phase or frequency white noise, that affects bistatic sar imaging performance

    理論分析和模擬試驗證實了影響雙基地sar成像的相位噪聲主要是閃爍頻率噪聲，而不是白噪聲調相或白噪聲調頻。
  8. The features of fire flame and other disturbing phenomena such as area variety, shape variety, edge variety, flame flicker frequency and the whole motion trend have been detailed studied in this dissertation. and the corresponding recognition algorithms have been given

    本文詳細地分析了火災火焰和其它一些干擾現象的面積變化規律、形體變化規律、邊緣變化規律、閃爍頻率規律和整體移動趨勢，並且針對于每一種規律都提出相應的圖像識別演算法。
  9. The gasoline flame radiation intensity and flicker frequency are both monitored to improve the system reliability. thus it is trusted “ flame on ” only under the case when the radiation intensity and flicker frequency are both above the threshold values ; otherwise it is treated as “ flame blowout ”. then the transmitter, the displayer and the software also are present

    本設計中採用同時測量火焰輻射強度和燃燒時閃爍頻率的方式保證監測的可靠性，當頻率和強度均高於設定的閾值時，判定為「有火」 ;反之，判定為「無火」 。
  10. Scanning frequency has reached over 240hz which makes the menu stable and no flicker. in using actually, we use vidicon shoot the display screen. and then we can observe the photo is very clear from the vidicon

    2掃描場頻達到了240hz以上，畫面穩定無閃爍，在實際應用中，用攝像機拍攝顯示屏，攝像機中觀測到的圖象十分清晰，沒有同步滾動條，若現場有電視轉播，顯示屏不會影響轉播畫面的質量。
  11. Flashing frequency, critical flicker frequency

    臨界閃變頻率
  12. Flashing frequency critical flicker frequency

    臨界閃變頻率
  13. Cff critical flicker frequency

    臨界閃變頻率
  14. At present, our country power quality national standard was chiefly stipulated five quotas : frequency, harmonic and voltage deviation, three - phase unbalance and the voltage fluctuation and flicker

    目前我國電能質量國家標準主要規定了五個指標：頻率、諧波、電壓偏差、三相不平衡及電壓波動與閃變。
  15. In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented

    基於虛擬儀器技術的電能質量測試儀應用靈活，升級方便， 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析，尋求適合虛擬儀器實現的，切實可行、計算精確、實用性強的計算方法。
  16. However, compared with voltage deviation, unbalance of three phases, harmonics and frequency deviation, fluctuation and flicker are more complex to be detected, its research is relative to scarce, and the measuring devices are much less. hence, some further research on measuring voltage fluctuation and flicker has been done in the paper

    但與電壓偏差、三相不平衡、諧波、頻率偏移等電能質量問題相比，電壓波動與閃變的檢測較為復雜，研究相對不足，測量設備較少，因此，本文選擇這一問題進行進一步研究。
  17. Then the paper presents two important concepts on wavelet transform : multi - resolution analysis and wavelet package analysis. last, the paper introduces the application of wavelet transform on power quality analysis, especially on the research of voltage flicker. we can get the magnitude and frequency of the embed signal by mra

    最後介紹了小波變換在電能質量分析中的應用，重點討論了電壓閃變問題，用小波多解析度分解和子帶濾波方法對電壓閃變的包絡信號進行分解，檢測出包絡信號中的各個頻率分量及其幅度。
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