波形信息 的英文怎麼說
中文拼音 [bōxíngxìnxī]
波形信息
英文
shape information-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal, store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal, narrow the storing amount of the data, save the space ; case information management system realize patient information and heart telecommunication file of interest, keep and in the data base, can show the ecg signal wave form at the screen of the computer directly data that gather. and has offered and type and report the single function
軟體部分所要實現的功能為：通過中斷服務程序把心電信號定時採集出來，以二進制的形式存儲在計算機中；數據壓縮程序應實現對心電信號的預處理和壓縮，縮小數據存儲量，節省空間；病例信息管理系統實現患者個人信息和心電信息的存檔，把採集的數據保存作數據庫中，能夠將心電波形直接顯示在計算機屏幕上，並提供列印報告單的功能。For these aims, preliminary research has been carried and dcm - wv software package has been developed : the definition of waveform information object ( include haemodynamics waveform and electrocardiogram ) has been accomplished. that is the first step to fulfil dicom - support of waveform equipment
為達到這一目的，在pc機上開發了dcm - wv軟體包，對波形類儀器的dicom支持做了初步研究：完成波形的信息對象定義，這是解決波形類儀器支持dicom標準的第一步。The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。Government ' s monopoly of capital market also leaded to the " shell " value of listed company which is irrelative to the company ' s invest value, which made the higher general price in the market. in addition to, the structure of investors which is consisting of many individual investors and few institution investors lets it easy to manipulate the stock market for the institution investors. according to the origins of the systematic risk, it is necessary to improve the market mechanism and market efficiency to eliminate the system root of the risk to decrease the risks
突出地表現在：資本市場服務于國企轉制，造成上市公司股權結構存在缺陷，致使公司治理失效，上市公司缺乏持續發展的能力，公司經營風險轉化為市場的系統性風險；政府對資本市場準入的行政性壟斷，形成上市公司「殼」價值，虛高股票市場價格，引發系統性風險；金融市場分割，特別是貨幣市場資金缺乏進入資本市場的正常渠道，利率市場化水平低，影響金融資產定價，導致違規融資盛行，加大了市場風險；而由於市場監管不到位，以散戶為主的投資主體結構，則易導致機構大戶利用內幕信息操縱股價，機構投資者的發展不僅沒有成為穩定市場的力量，反而成為操縱市場的主力，加劇了市場波動。Polarimetric synthetic aperture radar ( polsar ) investigates the transverse vectorial nature of plane em waves and provides the complex scattering matrix of a scatterer. scattering polarimetry is sensitive to the shape, orientation, and dielectric properties of scatters
極化合成孔徑雷達（ polsar ）研究電磁波的矢量特徵，通過測量和分析目標的極化散射特性，獲取目標的介電常數、物理特性、幾何形狀和取向等方面的大量信息。In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not
為了檢測南方摩托車發動機早燃現象，利用其氣缸內燃燒時產生大量的離子電流信號所包含的豐富燃燒信息，對其火花塞正常點火和熾熱點火離子電流顯示的波形進行研究分析，從而確定是否發生早燃。In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder
本文基於感覺加權相位譜分析合成（ abs - analysis - by - synthesis ）矢量量化方法，給出了一種wi編碼器中慢漸變波形（ sew - slowlyevolvingwaveform ）的相位信息量化及合成端相位的三次多項式插值重建方法。Thesis point out : agricultural product market information system construction lag behind on market for farm products construction, scale of market for farm products, institutionalized degree low grade factor influence market for farm products collecting and distributing and transmitting the function to information relatively. agricultural product stronger in price fluctuation, dependence and a low one getting dispersed, in the forming process of and the price of agricultural product : basic price form with market, producing area price can reflect person who consume - price etc. factor weaken price direction function of information. agricultural product supply and marketing chain does not cooperate in the play chess state that caused inside system reasonless behavior of participant and feedback mistake of message understand
指出：農產品市場信息體系建設滯後於農產品市場建設、農產品市場的規模化、制度化程度較低等因素影響了農產品市場對信息的集散和傳遞功能；農產品價格較強的波動性、相關性和較低的離散性，以及農產品價格形成過程中：基礎價格形成與市場之外、產地價格不能反映消費地價格等因素弱化了價格信息的導向功能；農產品供銷鏈的非合作博弈狀態造成內部參與者的系統非理性行為和對反饋信息的錯誤理解。It uses modulated waveforms and directive antennas to transmit electromagnetic energy and extract target information from echoes
雷達使用調制的波形和定向天線發射電磁能量，並從回波中提取目標信息。On the base of a systematical analysis about the theory of mathematical morphology and neural network, we present that the two methods have many complementary aspects : mathematical morphology has good filtering characteristic, but has not good adaptability and study ability from samples ; neural network has outstanding properties of self - organizing and self - adapting, but has not good filtering characteristic of mathematical morphology
本文在分析了數學形態學理論和神經網路理論的基礎上，指出了兩者在信息處理中具有很強的互補性：數學形態學具有良好的濾波特性，但適應性差，不具備從圖像樣本中進行學習的能力；神經網路具有很強的自組織和自適應性，卻沒有數學形態學良好的濾波性能。A terrain adaptive interferogram filtering method is proposed based on the classical adaptive filtering algorithm. the new method can suppress noise and keep the useful information at dense fringe areas in the same time
在研究經典濾波方法的基礎上，提出了一種地形適應的自適應干涉sas濾波方法，在抑制噪聲的同時，新方法保持了干涉條紋密集區的信息特徵，具有很好的濾波效果。This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target
本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering
首先，研究了醫學斷層圖像數據的濾波及層間插值技術，提出了一種基於輪廓形變和對應點匹配相結合的混合插值演算法，在實現圖像層間插值的同時保持了目標的輪廓形狀與灰度信息；其次，對醫學影像容積重建效果的逼真度進行了研究，提出了一種基於連續梯度轉換函數的互動式透明體繪制方法，使重建效果更加生動、真實。This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic
本文詳細介紹了薄形組合件自適應識別系統；闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法，有效地解決了識別區域的定位問題。針對裝配零件（主要是墊片）薄、小導致圖像信息少、識別難度大，以及材質不一導致採集到的組合件圖像亮度波動等問題，提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術，自適應地找出最佳閡值，使墊片和背景分離，從而提取墊片數目信息。Soft - decision decoding can make full use of the output information, and substantial coding gain can be gotten, which has been observed early
因為軟判決可以充分利用輸出波形信息，提高系統的編碼增益，所以越來越受到人們的重視。Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years
哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。Generally speaking, the algorithm of terrain contour matching is adapted to be used in cruise missiles which made fight path prior for that this algorithm is not a real - time system for it makes use of historical terrain data. while kalman filter algorithm is a real - time, rapid calculation system. which is appropriate for pilot or pilotless aircraft
得出，地形輪廓匹配演算法使用歷史地形數據，實時性差，比較適合事先規劃好航跡的導彈使用：卡爾曼濾波的方法有較好的實時性，計算速度快，很適合有人無人駕駛飛機的機動飛行要求；小波分層只是對地形信息做了高低頻分解，其本質還是相似性度量演算法，但它有效的降低了匹配演算法的計算量。Muti - aperture overlap - scanning technique ( maost ) and target function can solve the problem of testing a large optical surface on the basis of ordinary digital interferometer of wavefront, and get the most information of wavefront in the end in the condition of big kr, muti - aperture overlap - scanning technique ( maost ) using target function is proved and we can get the most information of wavefront in the case of guarantee of high precision by the aid of simulation, experimental and tests, many influential factors, i. e., the apertureconnection mode, shape of mirror, error in subaperture test and kr are analysed contribute to controlling and testing large optical surface
本文首先在較大孔徑放大系數（ 4 ）的情況下，論證了目標函數多孔徑拼接技術，保證了較高的精度，得到較完整的波前信息。然後，結合實驗結果，從拼接模式、被測面形、測量誤差、數字干涉儀解析度和不同孔徑放大系數等角度出發，分析了各種因素對精度的影響，並詳盡的探討了各種誤差源，包括靜態誤差、動態誤差、擬合誤差、拼接誤差。分享友人