last filter 中文意思是什麼
last filter
解釋
上次濾鏡操作-
In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。 -
The first algorithm is low precise but simple and credible, the second is high precise but complex and incredible. 4 ) developed four kinds of methods aimed to improve precision and credibility of navigation system. the first is parallel sandia inertia terrain - aided navigation ( psitan ) ; the second is tercom + sitan, it can restrain two important disadvantages of sitan ; the third is particle filter - based terrain - aided navigation ( pftan ), the particle filter can reduce the error of navigation ; the last is tercom + pftan, where tercom is looked as monitor to ensure the credibility of navigation system
採用并行sitan方法來提高導航精度，並克服奇異值問題；提出了tercom + sitan方法，綜合利用兩者的優點，在保持sitan導航精度的前提下，有效地克服了sitan的兩個缺點；提出了一種基於連續蒙特卡洛濾波（常被稱為particlefilter ）的地形匹配演算法（ pftan ） ，有效地克服了利用sitan時由於地形隨機線性化帶來的誤差，使導航精度有較大的提高；提出了tercom作為監視器的地形輔助導航思想，並將其應用到連續蒙特卡洛方法上，較大地增加了系統的可靠性和精度。 -
Single packet filter technology, with its flaws, cannot provide perfect security protection ; intrusion detection, as an active defense system, is a crucial supplementary to the packet technology and work as a second line of defense ; content filter supplies the gap of the information content protection that two former technologies leave and form the last barrier for security protection
單純的包過濾技術由於其自身的缺陷而不能提供完全的安全保護。入侵檢測作為一種主動防禦技術，是包過濾的重要補充，起到了第二道防線的作用。內容過濾彌補了前兩種技術在信息內容防範方面的不足，形成了安全防護的最後一道屏障。 -
At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles
在指紋圖像增強方面，本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點，對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區，然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波，最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。 -
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。 -
Equipped with electronic controller fini tronic and preset for remote control for two or more compressors. it offers working pressure and oil mist separator tank inner pressure indication, separator filter clogging lashing alarm before overpressure e - stop, electric motor temperature control, maximum screw assembly temperature control, air temperature on pressure end indication, electric motor direction of rotation check, time to scheduled maintenance term, total operating hours and operating hours under load, alarm log of last five failure events
並預設為丙臺以上空壓機聯機遠程控制，有工作壓力和油氣分離器罐內壓指示，分離器過濾器阻塞報警，電機溫控，螺桿總成溫控，壓力端空氣溫度指示，電機轉向檢查，維護周期油，油過濾器，空氣過濾器，分離器過濾器，總運行時間和負載運行時間，記錄上五個報警故障等。 -
It offers working pressure and oil mist separator tank inner pressure indication, separator filter clogging flashing alarm before overpressure e - stop, electric motor temperature control, maximum screw assembly temperature control, air temperature on pressure and indication, electric motor direction of rotation check, time to scheduled maintenance term, total operating hours and operating hours under load, alarm log of last five failure events
並預設為丙臺以上空壓機聯機遠程控制可檢測包括操作壓力油氣分離器罐內壓，電機溫度和轉向，螺桿總成溫度過濾器堵塞報警等參數，並可顯示總運行時間和負載運行時間。 -
Internet users can then download a free label filter software to allow or disallow access to a particular website based on their own preferences. " more than 200 local websites have been labelled since the system was launched in june last year
網際網路使用者只要在網際網路免費下載具備對應標簽功能的過濾軟體，便能根據使用者自行訂立的設定，決定是否登入某一個網站。 -
Firstly, the classic methods of image edge detection are introduced. secondly, the technique of linear filter and its application is discussed. at last, wavelet, which has multi - scale method, is researched and applied to image edge detection, some good results are gained correspondingly
介紹了經典的圖像邊緣檢測方法；討論了線性濾波技術及其在圖像邊緣檢測中的應用；研究了具有多尺度思想的小波運算元，並將其應用到圖像邊緣檢測中。 -
Then it explains packet validation mechanism, connection maintaince, and with taking the system platform into consideration, design and implement a improved - syncookie model. at last, we design several performance test cases. the test cases show that the high - speed filter can protect away from the syn flood attack effectively, at the same time it has been much more improved than traditional protect ways on the filtering and processing capacity
該文首先對國內外拒絕服務攻擊威脅以及研究現狀進行分析描述;然後，從拒絕服務攻擊的方法分類、主要手段、常見的防禦及防範方法分析研究著手，提出了一種採用tcpproxy與待響應ack隊列相結合的能夠對tcp拒絕服務攻擊進行有效過濾的方法，並用這種方法在linux內核中實現了一個高速過濾器，最後進行了相關的性能測試。 -
At secondly, for depressing the noise in ir images, we make a deep research in median filter and it ' s algorithm architecture, then we present a improved method based on the control bit look ahead structure and implement it in fpga. at last, we resolved the data communication problem in the multiprocessor ir image processing system and and complete the system debug
然後，針對校正後圖像中噪聲干擾的問題，深入研究了中值濾波的特性和演算法結構，提出了具有超前控制位的max - min中值濾波器的改進結構，在現場可編程門陣列fpga上設計實現了該中值濾波器，並進行了驗證。 -
Also, in our software, we have made the practical seismic data processing by the prediction of fractured amizuth and the fractured density, then evaluated the exactitude of the predictions by the evaluation of the assessment parauceter, and at last confirm one optimum detection methods of fractured amizuth, the wavelet difference scale filter method, and two the optimmer fractured density detection method, the wavelet amplititude singular exponential method and the wavelet power spectrum singular exponeatial method
並用自編軟體，將三種裂縫方位預測和三種裂縫密度預測用於實際地震資料處理，並用評價參數檢驗評估其正確性，最終在現有的方法中確定了最優裂縫方位檢測方法?小波變尺度濾波法和最優裂縫密度檢測法?小波振幅奇異性指數法和小波功率譜奇異性指數法。 -
High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch. the filter made from sto / ybco thin films shows high tunable speed, low microwave loss and high power handling capability. so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade
因此，利用高質量sto / ybco外延薄膜研製的濾波器具有響應速度快、微波損耗低、調諧范圍大、承載功率高等優點，是一種極具競爭力的電調濾波器技術方案，也是當前的研究熱點和開發重點。 -
The band - pass filter has a gain of 44db, whose - 3db point are fixed at 1 and 7hz at last, an auto - adaptive hysteresis circuit was used in translating the wave into the form of pulse
帶通濾波電路增益為44db ， 3db點設計在1hz和7hz 。最後運用自適應遲滯比較器作為整形器，將信號轉化為方波。 -
The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。 -
In chapter 4, the main concept and the key technology of software radio are discussed. also the important digital theory such as fft and digital filter are introduced in the last part
第（ 3 ）和第（ 4 ）部分的內容是為了今後順利開展低頻時碼的數字化研究，而提出的有關軟體無線電接收的一種設計方案，有待於今后的進一步開發研究。 -
The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too
在調制部分，利用九管單相時鐘d觸發器構成計數器，並由此組成了脈沖寬度調制電路，同時給出了在典型溫度下的模擬結果;在解調部分，介紹了低通濾波器從無源到有源的設計方法，設計了三階切比雪夫低通跨導電容濾波器，同樣給出了相應的模擬結果;最後，作為將脈沖寬度調制電路和濾波器作為整體電路，以脈沖調頻波為輸入進行了模擬，取得了令人滿意的結果。 -
Implementations of video integrators, which are based on two - pole filter, are discussed in the last. the initialization, tail and noise integrating problems are analyzed and improvements are given
最後，本文對非相參視頻積累器的實現進行了討論，分析了雙極點濾波器存在的初始化、拖尾和噪聲電平問題，並提出了改進的方法。 -
Scale space filter can restrain noise and recognize edge reliably in big scale, and can confirm positions accurately in small scale, at last get the true positions of edge by focus processing from big scale to small scale. but traditional canny arithmetic based on guass scale space have shortcomings such as big computing and confirming positions inaccurately
尺度空間濾波能在大尺度下抑制噪聲可靠的識別邊緣，在小尺度下精確定位，最後由粗及精地進行邊緣聚焦而得到邊緣的真實位置，但是傳統的基於guass尺度空間的canny運算元計算量大，定位不夠精確。 -
At last the audio - visual filter can get and regroup the pcm audio data which transformed into the time - frequency signals by the fft. at the same time the power spectrum can be displaying on the windows by using the win32 api functions. finally the test of this system shows the processes about transport stream of receiving in the collecting card, pushing in the bridge, separating in the parser, displaying in the audio - visual filter are satisfied with the data rata at the server
音視頻效果filter內部通過獲取解碼后的pcm格式數據，並利用緩沖管理器對這些數據進行重新分組，然後對分組后的數據進行fft變換將時域信號變換到頻域之中，同時對變換后的數據作數學處理后得到其功率值，最後利用api畫圖函數對這些功率值進行了實時的特殊效果顯示。
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