譜泄漏 的英文怎麼說

中文拼音 [pǔxièlóu]
譜泄漏 英文
spectral leakage
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 泄 : Ⅰ動詞1 （液體、氣體排出） let out; discharge; release 2 （泄露） let out （a secret）; leak （new...
  • 漏 : Ⅰ動詞1 （從孔或縫中滴下、透出或掉出） leak; drip 2 （泄漏） divulge; disclose; leak 3 （遺漏） le...
  1. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。
  2. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上，提出了以下的實用技術： 1 ）用譜分析方法從截獲的信息中自動提取同步信息； 2 ）用積分投影、微分定位的方法進行相位檢測，實現可靠的鎖相和電子穩像； 3 ）將電子穩像技術用於重加濾波和梳狀濾波的濾波方法，改進了濾波效果； 4 ）通過檢測圖像信息熵實現圖像採集參數的自動調整，改進了圖像採集的質量； 5 ）設計了用於儀器定標的標準測試圖，可以對泄漏信息進行定量檢測。
  3. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬計算機陰極射線管顯示器電子束，並詳細研究了電子束的加速場，首次給出了其計算公式和實驗測試結果；還提出了一種新的從場點出發的信息電磁泄漏頻譜分析方法，實驗證明了其有效性； 3
  4. In order to avoid spectrum error due to energy leakage, the thesis research on identification of parameters of two close frequency components in discrete spectrum analysis, and simulation result shows the validity of the method

    針對由於能量泄漏造成的頻譜誤差，深入研究了密集頻譜的頻域參數識別法，從理論上加以推導，並通過模擬證明了該方法的有效性，可以識別1個頻率解析度以內的兩臨近頻率分量。
  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. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析了測量中頻譜泄漏和柵欄效應形成的原因，提出了採用鎖相環倍頻技術實現信號的整周期同步采樣，消除頻譜泄漏和柵欄效應對測量結果的影響，並對鎖相環倍頻技術的理論進行了深入研究，給出鎖相環倍頻技術的實現方法。
  8. The leakage gamma ray of iron spheres is measured by high pure germanium ( hpge ) detector. comparing with the bc - 501a scintillator detector, four characteristic gamma rays : 846. 77, 1238. 282, 1771. 351 and 2212. 933kev caused by inelastically scattered neutrons are coincident with the bc - 501 a scintillator detector. it shows that the measurements by bc - 501 a scintillator detector are accurate and credible

    利用高純鍺探測器測量泄漏能譜，並與bc - 501a測量的結果進行了對比，幾個典型的中子非彈性散射所產生的特徵射線峰846 . 77kev ， 1238 . 282kev ， 1771 . 351kev和2212 . 933kev ，對應的較一致，由此確定bc - 501a探測器測量結果是準確、可靠的。
  9. On the base of the theory of the adaptive noise cancellation and the adaptive line enhancement, we have made an improved adaptive noise cancellation in use of the measuring of hv insulator ' s leakage current

    結合普通自適應噪聲對消和自適應譜線增強原理，提出了一種改進型自適應噪聲對消器，用於高壓絕緣子泄漏電流檢測。
  10. Standard test methods for leaks using the mass spectrometer leak detector or residual gas analyzer in the tracer probe mode

    在示蹤探針法中用質譜儀檢漏器或殘余氣體分析器作泄漏檢驗的測試方法
  11. Vacuum technology - mass - spectrometer - type leak - detector calibration

    真空技術.質譜型泄漏檢測儀的校正
  12. At first, measuring the electron recoil spectra of target room gamma ray. through the resolution of spectra we get the gamma ray spectra caused by target room. then we transform it to the zero point, the place of neutron source, and calculate the leakage gamma ray spectra t from iron sphere caused by target room gamma ray by mcnp program

    靶室產生的射線本底，通過實驗測量和模擬計算相結合的方法加以扣除，首先測量靶室產生的射線康普頓反沖電子譜，解譜得到靶室泄漏譜，將所解得的靶室泄漏譜歸一到原點，即中子源處，利用mcnp蒙卡程序輸運計算靶室射線穿透鐵球后所泄漏的能譜，最後從d ? t中子穿透鐵球伴生射線泄漏能譜s中扣除。
  13. The application of helium mass - spectrometry technology in leakage detection for large - sized turbine units

    氦質譜技術在大型機組泄漏檢測中的應用
  14. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統諧波分析通常都是通過快速傅立葉變換（ fft ）實現的，但是這種方法存在柵欄效應和頻譜泄漏，使計算出的諧波參數即頻率、幅值和相位不準，尤其是相位誤差很大，無法滿足準確的諧波測量要求。
  15. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力系統中採用的諧波測量方法而提出的一種基於鎖相倍頻採集方法，通過鎖相環對電力波形進行實時跟蹤，既解決了頻譜泄漏對諧波測量精度的影響，又實現了快速的，準確的，實時性的測量。
  16. The results show that the mass absorption coefficient is nearly exponent decay with the gamma energy, the less energy of gamma ray, the more probability of absorption in the iron sphere

    結果表明，隨著射線能量的增加，質量吸收系數近似呈指d一t中子穿透鐵球伴生y射線泄漏能譜實驗研究數衰減， y射線能量越低，被鐵原子核吸收的幾率越大。
  17. Single chip needs too much time to calculate and we ca n ' t detect power quality real time for example, and the sampling rate must synchronize the signal frequency. when sample multi - channel signal in turn, it must have time delay between two samplings, so the phase angle difference between each channel signal is ca n ' t be avoid and so on. those problems must be solved

    本課題分析了目前電能質量的各種檢測方法，認為快速傅氏演算法（ fft ）是首選方法，但是基於定時采樣的fft計算會產生頻譜泄漏，為了減少這個泄漏需要進行加窗處理，這需要增加采樣數據，導致顯著增大計算量。
  18. " the software is the instrument " is the major characteristic of virtual instrument technology. in this paper, labview graph software is adapted to realize a series of functions such as fft, avoiding frequency spectrum leakage and interleaving etc that are realized by hardware realization originally

    「軟體就是儀器」是虛擬儀器技術的主要特點，本文採用labview圖形化軟體實現了原來用硬體實現的fft變換、防頻譜泄漏和抗混疊等一系列功能。
  19. On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp

    我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。
  20. Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency

    通過對交流電信號采樣的討論，指出解決頻譜泄漏的問題的基本方法是保證信號頻率與采樣頻率同步。
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