濾波法 的英文怎麼說
中文拼音 [lǜbōfǎ]
濾波法
英文
filtering method-
Fast median filtering algorithm in target detection
目標檢測中的快速中值濾波法Method of order tracking filtering of rotating machinery based on zero - phase distortion digital filtering with segmentation overlap
基於分段重疊零相位濾波的階比跟蹤濾波法Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force
結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。Besides, several contrast enhancing approaches were compared in the thesis, including histogram equalization, homo - filters, and wavelet transform. an algorithm based on the polygon approximation is developed
本論文對比了現有的一些圖像對比度提高的方法，包括直方圖均衡化、同態濾波器和小波同態濾波法在水下圖像對比度增強中應用的效果。3. a variety of speech enchancement algorithms are discussed including wiena filter, spectral subtraction, mmse algorithm and the masking model combined with the spectral subtraction algorithm
3 .系統地研究了多種語音增強演算法，包括基於短時譜分析的維納濾波法、譜減法和mmse演算法，並研究了基於人耳聽覺掩蔽效應的語音增強演算法。At the beginning of the selection of two controlling methods, the gray theory and the kalman theory these two ways, which are always used in the controlling of cable - stayed bridges, are then introduced and compared with one another. at last, the gray theory combined with forecasting control is adopted to control the real construction
本文從施工初期監控方法的選擇上入手，對灰色理論法和卡爾曼濾波法這兩種在斜拉橋上比較常用的方法進行了詳細的介紹和比較，最後根據本橋的實際情況和控制要求，選擇了灰色理論和預測控制相結合的方法進行施工控制。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。The linear darkness transform method is used to increase the contrastiveness of pictures ; the improved mid - value filtering algorithm and local average method are adopted to protect the edge as much as possible on the basis of noise elimination
採用線性灰度變換等方法對圖像進行增強，使圖像的對比度擴展。採用改進型中值濾波法和多圖像平均法，在去除了噪聲的基礎上盡可能的保護了邊緣。In recent decades, people have made a research in single channel deconvolution problems, for example, the traits, fast algorithm of deconvolution results and process for error. they proposed many methods, such as inverse filter algorithm, z transform algorithm, dfs algorithm, l2 algorithm, recursion algorithm
幾十年來，人們對單通道信號卷積反演問題如反卷積解的性質、解的快速演算法及對誤差的處理等進行了深入的研究，並取得了不少的成就，如逆濾波法、 z變換法、遞歸法、 dfs法、最小平方法等。And then the paper gives the image processing methods used in the geometrical parameter measuring system. according to the process of the image processing, it introduces the following three methods in order : image pretreatment method which consists of the average value of neighbour area and lowpass ; image segmentation method which involves threshold segmentation, edge detection, image thinning and edge connecting ; the image matching method consiting of picking up feature point, matching and rebuilding
然後給出了在幾何量測量系統中所用到的圖象處理方法。依照圖象處理的過程，先後介紹了圖象預處理的方法，包括鄰域平均法和低通濾波法；圖象分割方法，包括二值化、邊緣檢測、細化以及邊緣連接等；圖象匹配的相關方法，包括特徵點的提取、匹配及重建。Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。The maximum likelihood estimation algorithm for seawinds scatterometer wind vector retrieval generates 2 4 wind vector ambiguities, so a circle median filter is needed to perform the ambiguity removal
利用最大似然法mle對seawinds散射計數據反演得出的風矢量，一般存在24個模糊解，故需採用圓中數濾波法進行模糊去除。With the ms filtering, we firstly studied the correlation output after the holograms were thermal - fixed. we found that after thermal fixing, the readout holograms and the image of background correlation became dark
本論文還在離線的熱固定技術和ms濾波法的基礎上，在目前還沒有報道的情況下，首先研究了熱固定的相關識別。Depending on the specific application, the enhancement system may be directed at different objectives. what is contained in the thesis is as following : ( 1 ). a variety of methods based on short - time spectrum estimation for speech enhancement are discussed
系統地研究了基於語音短時譜估計的各種增強方法，包括幅度譜相減法、功率譜相減法、維納濾波法、最小均方誤差法、兩態軟判決等。It is both a theoretic and a practical project. after analyzing several identification methods, the writer put forward a method based on t - model equivalent circuit. to consider the skin effect, the writer modified the t - model equivalent circuit, adding the skin effect coefficients
經過分析幾種常用的電機參數辨識方法，如頻響法，最小二乘法和卡爾曼濾波法等之後發現在本課題的前提條件? ?空載全電壓起動下無法進行辨識，因此藉助于電機的t型等效電路模型。Multi - bearings and one - range filter for bearings - only target locating and tracking
用多方位一距離濾波法解純方位定位與跟蹤問題We propose a chaos - based generation of the random ppm - ps signals, design and implement a generator of the ppm - ps signals. we introduce an if sampling technique and simulate the performances of digital demodulation techniques of using hilbert filters, sine filters, bessel filters and poly - phase filters. the poly - phase filtering method can achieve the higher mirror - frequency rejection ratio by using the low order filters
介紹了中頻采樣技術，並對希爾伯特濾波法、辛格內插函數修正、貝賽爾函數插值法及多相濾波法等數字解調演算法進行了計算機模擬和性能比較，指出多相濾波法能以較低的階數實現較高的鏡頻抑制比。A method for denoising and suppressing clutter based on best tree wavelet packet analysis is developed
提出基於最優小波包基的非線性濾波法進行雜波抑制。It combines the real echoes with the date simulated using the real airborne sar system parameters to analyze and validate the method. after the combined data are filtered, the improved greatest of cell - average constant - false - alarm - rate ( go - ca - cfar ) is used to judge whether moving target is detected or not. in the following, real moving target is detected and its velocity and position is gained through which it is focused well
將接收的實際場景數據與實際系統參數下模擬的典型數據相結合，分析、驗證了頻域濾波法的性能，並對濾波后的數據採用改進的選大單元平均恆虛警率（ go - ca - cfar ）方法進行處理，判斷動目標是否存在；然後對實際的動目標進行檢測，準確的估計出目標速度及位置並對目標重新聚焦成像，接下來將聚焦的動目標圖像和常規sar圖像迭加，同時得到了回到真實位置的動目標聚焦圖像和實際場景sar圖像。The principles of filtering, wavelet - denoise and integral algorithms to pick up the tilting pulse ( filtering - delay - compensation signal ) are discussed. especially, a " high - in & low - out " method is presented to determine the thresholds in the three algorithms ; it is very robust and adaptable. in the end, the performance of the three algorithms is compared to each other based on the process of total data of one test - on - line
分別設計了濾波法、小波去噪法和積分法來提取傾擺脈沖（濾波延時補償信號） ，論述了這三種演算法提取傾擺脈沖的原理，提出了一種魯棒性好、適應性強的「高進低出」法來確定三種提取傾擺脈沖演算法中的門限值：最後用這三種演算法對一次線路試驗的全部數據進行了處理，並比較了各種演算法的特點。分享友人