filter interference 中文意思是什麼

filter interference 解釋
濾波干擾
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  • interference : n. 1. 沖突，抵觸。2. 干涉，干預。3. 妨礙，打擾，阻礙物。4. 【物理學】干擾；干涉。
  1. In order to reduce this interference, several methods have been proposed and tested, in which adaptive filter is more abstractive

    分析了手機對心電檢測的影響及消除辦法。重點介紹了自適應濾波的效果。
  2. Secondly, the steps of the glass ' s image processing are discussed in detail. based on the experiments and the characteristics of interference fringe, we pre - process the images with median filter and image segmentation with dynamic threshold. after marking and thinning the resulted fringes, we analyze linearly the unifor mity of product ' s samples with the characteristics of the framework

    然後，結合檢測系統中玻璃干涉圖像處理的任務，詳細介紹了處理的各個步驟：通過實驗比較，並結合干涉條紋圖像的特點，選擇中值濾波、動態閾值分割等技術對圖像進行預處理；然後對獲得的二值條紋進行標記、細化，提取條紋骨架；最後，用骨架的特徵進行線性分析，識別條紋的類型，判斷玻璃樣品的均勻性。
  3. The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system

    以880 、 950nm的近紅外led為光源， 14個窄帶干涉濾光片為單色器，以硅光電池為檢測器，經ad轉換得到數字信號，送單片機處理。
  4. Along the length of the filter, the interference film looks like a wedge.

    沿薄膜的長度方向看干涉膜似尖劈。
  5. This thesis mainly discusses the devices based on crystal optics and polarization, which includes polarization interference filter ( pif ) used in the separation and combination systems of lcos, achromatic wave plates based on the similar principal of pif and the crystal polarization beam splitter

    本論文將主要討論晶體偏振光學器件：用於lcos分合色的偏振干涉濾光片（ pif ） ，基於pif原理的消色散延遲片和偏振分束器。
  6. Some anti - interference techniques are introduced such as appropriate circuit layout and wiring, the component and device screening as well as digital filter and the zero point processing in software

    提出了通過從電路合理的布局布線和元器件的篩選以及軟體的數字濾波和零點處理等措施來達到抗干擾的目的。
  7. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  8. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊變換域中值濾波演算法進行變換域抗干擾處理.該演算法既考慮到直接序列擴頻信號的特點，同時又利用重疊變換的特性對變換域系數進行了二次濾波.該演算法節省處理時間，並且不需要有關干擾的先驗知識，系統性能不會隨干擾頻率變化而變化，因而是一種很穩健的處理方法
  9. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相頻率合成方法充分發揮鎖相環良好的窄帶跟蹤濾波特性，並結合dds的高頻率解析度、高頻率精確度和高速頻率捷變等優點，分別實現了系統所要求的高質量寬帶本振源和小步長頻率捷變；採用電調諧選頻技術，則大大改善了接收機的選擇性和抗干擾能力。
  10. Rejecting harmonic interference in twacs using iir notch filter based on all - pass filter

    陷波器抑制工頻通信中的諧波干擾
  11. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作，總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施，並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  12. Method of insertion loss measurementsfor passive radio interference filter units

    無源無線電干擾濾波器插入損耗測量方法
  13. On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed

    本論文根據實際研製的激光測振儀系統，從提高激光測振儀精度的角度出發介紹了激光測振儀的原理，並詳細地剖析了光路對測振儀干涉條紋對比度的影響、光電轉換對測量精度的影響、光電信號的濾波放大以及外界振動對測振儀系統的影響等技術問題。
  14. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進，對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求，鑒於此，本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。
  15. In the future it may be possible to have such bandpass sigma - delta adcs with userprogrammable digital filter coefficients, so that the passband of a receiver could be modified during operation in response to the characteristics of the signal ( and the interference

    未來可能會出現用戶可編程數字濾波系數的帶通- adc ，這樣接收機的通頻帶就可以隨著所接收的信號的特性而改變。
  16. Emulation results show that the modified feel weighted filter can reduce the effect of the noise interference by taking good use of the masking effect

    結果表明，修正後的感覺加權濾波器更好地反映出合成濾波器的變化情況，更好地利用了掩蔽效應降低了噪聲干擾的影響。
  17. To improve anti - jamming technique by spread spectrum close to monochromatic frequency, so that enhance the ability of anti - active - jamming and anti - passive - jamming, anti reconnaissance, anti - radiation missile, anti - stealth, by means of multi frequency spread spectrum and hopping spectrum instead of mono - frequency spread spectrum, realizing strong processing system for anti - interference signal, providing the method of generating of chirp signal and corresponding matched filter system

    摘要為改進線性調頻雷達系統所採用的在單色頻率點附近擴譜抗干擾技術，加強制導雷達站具備抗有源、無源干擾，反偵察，抗硬殺傷的反幅射導彈和反隱身的能力，通過將單頻點擴譜改為多頻點擴譜跳譜，實現了高抗干擾信號處理系統，給出方案中在中頻段實現的線性調頻信號產生方法以及對應的匹配濾波處理系統。
  18. One approach to minimize this impact is to filter the harmonic currents and the electromagnetic interference ( emi ) produced by the power electronic loads

    減小這種影響的一個辦法是，將由電力電子負載產生的諧波電流或者電磁干擾濾除。
  19. The designing of extractive technology for original pulse signal can manage the low - pass filter ， high - pass filter and the amplification by grade, filter interference and noise, and then provide support for the data obtaining of blood pressure

    設計了合理優化的脈搏波動信號提取技術，使信號分級進行低通、高通濾波和放大，有效濾除各種干擾與噪聲，為血壓參數的提取做好硬體鋪墊。
  20. First and second band - gap filters amplify small signals and shift direct current voltage, which filter interference and noise by frequency. then, comparator restrains noise and interference through 700mv voltage window

    兩級帶通濾波放大器對熱釋電紅外傳感器採集人體的微弱小信號進行交流放大和直流電平的轉換，並根據頻率對噪聲和干擾進行過濾。
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