analysis by filtering 中文意思是什麼
analysis by filtering
解釋
過濾式分析-
The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。 -
This paper analysis the data mining of the single nd multiple streams time series, and draw a conclusion that the relationship between the events of the multiple streams time series are the association patterns dependency patterns, sudden patterns, this paper call them are structure patterns, the existing algorithm have n ' t discuss these patterns, although msdd discussed the dependency patterns, however, it ignored the association patterns, sudden patterns, this paper have a definition of the association patterns, sudden patterns and dependency patterns, and have a complete, frank algorithm called twma ( time window moving and filtering algorithm ), the peculiarity of this algorithm is that events is listed by the time window, by this way, the relationship of the events is clear
本文將它們統稱為結構模式，而這正是目前其它演算法、沒有考慮到的，雖然msdd考慮了事件之間的依賴關系，但它忽略了突變模式，關聯模式等重要的知識表示。本文給出了關聯模式、依賴模式、突變模式的定義，提出了一個比較靈活全面、直觀的挖掘它們的演算法：時間窗口移動篩選演算法twma （ timewindowmovingandfilteringalgorithm ） 。該演算法的一個突出特點是將時間序列事件按時間窗口序列化，使得事件之間的時間關系表示很直觀，該演算法能成功地從多流時間序列中發現了事件之間的關系。 -
The spectrum analysis showed that only the balance signals require processing by digital filter, and only inherent frequency components of balance, bracket and model system of the balance signals will require filtering, but the resonance components of test force oscillatory are. saved as more as possible
數據的頻譜分析結果表明只須對天平測量信號做數字濾波處理；濾波原則是僅需濾掉天平、支架、模型系統的固有振動頻率分量，同時盡可能多地保留實驗強迫振動的各階諧振信號。 -
Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。 -
And effects on improving original inversion image are clear by associated use of post treatments, variance truncating, median filtering and classification analysis
依據模型參數方差向量，本文提出了方差截斷后處理方法，並結合中值濾波和聚類分析，對原始反演圖像進行去噪后處理，成效明顯。 -
This new family of dsp enables cost - effective design of intelligent controllers for brushless motors which can fulfill more conditions, consisting of fewer system components, lower system cost and increased performances. in the aspect of vibration detection and analysis, the system gets two - way vibration signals. after magnifying and filtering, the signals are inputted to dsp, and are analysised by dsp based user ’ s demand
振動測試分析部分採集兩路振動信號，經過隔離放大、濾波等信號調理電路后輸入dsp的片上ad模塊，在dsp上構建相應的數據採集模塊，以及濾波、時域分析、幅域分析等多種數字信號處理模塊，根據用戶需求對旋轉機械作相應的檢測與診斷。 -
The paper also studied the structure of lms adaptive filter and the theoretical analysis of astringency by deducing the equal square error of the weigh value in the msn linear filtering
在mse線性濾波中權值的均方誤差函數的推導的基礎上，對lms自適應濾波器的結構和收斂性的理論分析進行了研究。 -
The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。 -
Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed
首先將視頻分解成許多連續的靜態圖像幀，經過背景去除，把感興趣的人體區域提取出來，通過二值化，中值濾波等預處理方法得到只有人體的一個單連通區域，然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓，根據運動規律及特徵找到後腿踝關節點，結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節，跨部關節，前腿踝關節，前腿膝關節四點，從而構建出腿部骨架模型。 2 ）實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後，本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標，從而重構出腿部骨架的運動過程。 -
By the theoretical analysis and experimental test, the image processing procedure of the system has been designed. firstly, the system needs carry out pre - process : the median filtering and average filtering of acquired image, next carrying out the threshold of filtered image, then performing morphology, such as open, close and so on. next, the boundary of binary image is extracted
通過理論分析與實驗驗證，得到了本系統圖像處理過程:首先對採集的圖像進行預處理，包括均值中值濾波，通過閾值分割進行二值化，然後對二值圖像進行開啟、閉合以及進行邊界提取操作來獲得清晰的圖像邊緣，最後通過邊緣檢測和擬合測量得到沖擊試樣各尺寸值，圖像坐標變換和模式匹配可以完成檢測區域定位。 -
Furthermore, it is indicated by the analysis that high - pass, band - pass, wavelet filtering and v - filtering are superior to the former image processing
同時指出相比于以往的圖像處理方法，高通濾波處理、再現圖像的帶通與v型濾波及小波濾波具有更大的優勢。 -
The data acquisition and analysis system combined with the bluetooth wireless data transmissions module, can realize different mode data acquisition on eight channels and pid control on two channels, and the data that were acquired can be processed by many kinds of processing methods just as signal pretreatment, signal trend detected, classic spectrum analysis, modern spectral estimation and self - suit signal filtering
該數據採集分析系統和藍牙數據採集模塊相結合，可以實現8路不同模式（連續模式、點檢模式等）數據採集、 2路pid控制功能，並能對採集到的數據進行多種分析系處理（信號預處理、信號趨勢檢測、經典譜分析、現代譜分析和自適應濾波等） 。 -
By digital weighted filtering, the analysis of fringe frequency is converted into the analysis of fringe modulation. and based on the correlation between local spatial frequency and the reliability of phase data, the correlation between modulation after digital weighted filtering and the reliability can be set up. thus modulation ordering at this moment is equal to reliability ordering, resulting in an optimized path
數字加權濾波之後的調制度函數攜帶了條紋頻率的信息，因此數字加權濾波將對于條紋頻率的分析轉化為對于調制度的分析，且根據偏離條紋基頻的程度與位相可靠度之間的對應關系，可建立經過數字加權濾波之後的調制度函數與位相可靠度之間的關系。 -
How to realize it is the necessary stage of bind restoration of remote sense image processing. this paper introduces a way to remove the effects of cloud by frequency transform. here, information of cloud cover is removed by high - pass filtering and information of background is enhanced by homomorphic filtering and spatial - frequency analysis
本文結合中巴資源衛星地面應用系統圖像應用處理分系統「課題的需要，採用數字圖像變換的方法來去除無輔助信息的遙感圖像薄雲覆蓋，通過對薄雲覆蓋的遙感圖像進行變換域處理，進行高通濾波去除雲覆蓋所在的低頻信息，通過同態濾波並對圖像進行空頻分析來增強圖像背景。 -
According to the basic principle of tcp / ip and the analysis results, the smtp protocol filtering, the port filtering, the address filtering and the kinds filtering can be achieved. e - mails can beattained by the analysis of the smtp protocol and pop3 protocol. the control on the visiting target address can be implemented by using the filtering system on the e - mails and the analysis on the http protocols
通過利用winpcap開發包，實現了網路數據包的捕獲，利用tcp / ip協議的封裝理論，通過自下而上的分析，實現了地址過濾、類型過濾、協議過濾與埠過濾，通過對smtp協議、 pop3協議通信分析，提取了郵件，並通過過濾系統對郵件進行過濾，通過對http協議分析，實現基於目標地址的訪問控制。 -
Actually, the initial use of emd algorithm is not in radar field, which is derived and utilized initially on the ocean or earthquake wave analysis. firstly, the emd algorithm adapted for the radar signal is examined in the dissertation. secondly, resolution improving in sar and multi - targets with non - uniform speed imaging in isar is studied by using emd algorithm the main work of the dissertation is as following : a ) by analyzed the emd decomposing results before and after matching filtering, the right position of emd decomposition in the imaging process is determined
由於emd演算法一開始並不是在雷達領域發展的，文獻中已有的演算法主要是針對海波、地震波等，所以本文首先分析了適用於雷達信號的emd演算法，並從sar和isar回波信號的特點出發，以emd演算法分解后的雷達信號為基礎，針對目前sar成像中的高分辨問題、 isar中非勻速和多目標成像清晰度不高等問題，研究了emd演算法在sar與isar成像處理中的應用，並採用大量模擬試驗對研究成果進行了驗證。 -
The concepts of filtering and sampling power system voltage and current signals for harmonic analysis using the fast fourier transform ( fft ) algorithm by a digital signal processor are introduced
軟體演算法方面，系統採用傳統的快速付立葉變換（ fft ） ，對採集的電壓和電流信號進行頻譜分析。 -
The matlab simulation results, which is on the filtering fruits of oil - water interface and inner pressure signals by wavelet show that wavelet analysis is superior and useful in de - noising
通過對油水界面信號和壓力信號的小波濾波的matlab模擬，實驗結果表明了小波分析在信號消噪中的有效性和優越性。 -
Besed on wavelet " s well localized characterizes in time frequency and space frequency, we can exactly depict events of nonnoise by decomposing to signal using binary - wavelet transform. for events of noise, local max can be found at singular points of signal by using wavelet transform norm of signal, so adopting multiscale wavelet analysis the maximal point of wavelet transform norm, which risen by the noise, with increasing of scale, which rien by the fault appeared. gived a properly threshold and compared the relation of data that have been transformed not only find the fault in the low noise signal but also resume the signal by filtering noise, which have good power of examining singular signal being unexpectedly change
對于噪聲中的事件點，利用信號的小波變換的模在信號的突變點取得局部最大值，採用多尺度（多分辨）小波分析，則隨著尺度的增大，噪聲引起的小波變換模的極大值點迅速減少，而故障引起的小波變換模的極大值點得以顯露，我們給出一個適當的閥值，比較閥值和變換后數據的關系，不但可以在低信噪比的信號中監測到故障信號，而且可以濾去噪聲恢復原信號，對突變的奇異性信號具有良好的監測能力，能夠有效地找出噪聲中的事件點。 -
This paper has studied and set up a supervision and control system based on the backing item of jinzhou yangtze river bridge with main span of 500m, by analyzing the development of construction control of cable - stayed bridges in china and abroad, foreword calculation of 250 work cases of plane bar fem, adoption of advanced equipment and devices, quick analysis of gathered data research of karemen filtering method, least square and gray model gm ( 1, 1 ) into the identification of the real state and precuts and effective manage mechanism
本文以荊州長江公路大橋主跨500米的混凝土斜拉橋施工為應用背景，通過分析目前國內外大跨度混凝土斜拉橋施工控制現狀，結合該橋施工實踐，運用平面桿系有限元計算理論對大橋250個工藝進行正裝計算，採用先進測試設備和儀器，利用計算機快速分析處理技術對現場監測系統收集的數據進行誤差分析，系用卡爾曼濾波法、最小二乘法和灰色理論gm （ 1 ， 1 ）進行結構真實狀態的識別和後期預測，通過科學高效的監控管理機制的運行和監控實踐，探索並建立了一套適合於大跨度混凝土斜拉橋的施工監測監控體系。
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