波焦利 的英文怎麼說
中文拼音 [bōjiāolì]
波焦利
英文
poggioli-
By its multi - solution idea, we can focalize discretionary detail of detection of cable - stayed bridge and process in time field and frequency field
利用小波分析的多解析度分析思想,可以聚焦到信號的任意細節進行時頻域處理,適合斜拉橋振動狀態的監測。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。Chemotherapy use chemical drugs to treat tumor, it also bring harm to person ' s body. it is a new hotspot that using ultrasonic to treat tumor in the world recently. focusing ultrasonic on tumor, we can kill the malignant cells using the heat generated by ultrasonic without serious side effect like actinotheraphy or chemotherapy, so, it is new method with great hope
將超聲波用於腫瘤治療是近年來各國研究的熱點,通過將超聲波聚焦到腫瘤組織上,利用其熱效應殺死腫瘤細胞,不會給患者帶來生理痛苦,也不會像放療和化療那樣產生嚴重的副作用,因此是一種很有發展前途的新方法。Danielle oliver is looking anxious. the 17 - year - old has just finished a test for her hairdressing and beauty therapy course at stockport college, and her tutor marks it while she waits
17歲的英國少女丹妮爾奧利佛看起來很焦慮,她剛剛考完斯托克波特大學的美容美發檢定,她的指導老師正在計算成績。It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號,並根據這些電信號的數值利用計算機進行在線計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。Standard test method for determination of trace metals in petroleum coke by wavelength dispersive x - ray fluorescence spectroscopy
利用波長色散x射線熒光光譜學測定石油焦中痕量金屬的標準試驗方法Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。From left : u. s. astronauts john phillips and leroy chiao watch as i - talian astronaut roberto vittori and russian cos - monaut salizhan sharipov embrace each other on board the interna - tional space station as seen during a televised linkup with the russian mission control in korolyov near moscow on sunday, april 17, 2005 in this image taken from a video screen
4月17日,俄羅斯首都莫斯科郊外科羅廖夫地面控制中心的電視畫面顯示,義大利宇航員維托里與俄羅斯宇航員沙里波夫在國際空間站內緊緊擁抱,畫面中左邊兩個人是美國宇航員菲利普斯(左一)和焦立中。This dissertation present a new structure of rbwo and use the magic tool to simulate it and it is a good reference for further research on improving output power, efficiency and reducing the focusing magnetic
本文的研究工作提出了一種hl - rbwo的結構並對其進行了粒子模擬;在思想方法上,在如何提高rbwo的輸出功率、輸出效率、降低聚焦磁場,對于研究進一步開發和利用高功率高效率低磁場微波源有一定的參考意義。In the second chapter, during the study of compound x - ray refractive lenses, diffraction function of compound lens is derived in the light of refraction and absorption effect and the design theory of x - ray is deduced using diffraction theory in connection with the characteristic of x - ray band. the structure design of this device and micro - machined technique are also discussed
在第二章x射線聚焦組合透鏡的研究中,針對x射線波段的特性,綜合考慮折射和吸收效應得出組合透鏡的衍射屏函數,利用衍射理論推導出x射線聚焦組合透鏡的設計理論並進行結構設計與微細加工製作技術研究。The results show this approach is effective when there is massive cloud cover on the remote sense image. wavelet analysis is internationally recognized up to the minute tools for analyzing time - frequency. it is chiefly due to the " adaptive feature " and " mathematical micro - telescope feature "
小波分析是目前國際上公認的最新時間-頻率分析工具,由於其「自適應性」和「數學顯微鏡性質」而成為許多學科共同關注的焦點,本文利用小波改善傳統數字圖像處理方法,取得了一定效果。By means of multi - resolution analysis concept for auto - zooming of wavelet transformation, a multi - resolution gaussian gradient operator which is suitable for noisy edge detection is configured. the experiment results show that this method is an automatic rapid and effective target detection method
該方法利用小波變換的自動變焦的多分辨分析思想,構造了適合的噪聲中邊緣檢測的多解析度高斯梯度運算元。實驗結果表明,該方法是一種快速、有效的自動化目標檢測方法。But the implementation of traditional wfcs in an optical system is difficulty, so the applications is limited. in 2000, a novel wfcs comprising a distorted diffraction grating ( dgwfs ), simple optics and a single camera has been described by blanchard
2000年, blanchard等提出了一種新型的波前曲率傳感器,它利用二次扭曲光柵和短焦距透鏡密接使用,來實現波前曲率測量。Geometric distortion is traditionally corrected by an image resampling operation which is applied as a post - processing step to pfa. the scene size limits of pfa presented by range curvature qpe, can be alleviated by using an efficient image domain space - vairant post - filter
通常採用圖像域插值的方法校正幾何失真,而利用空變濾波器使散焦的點重新聚焦,這些校正方法可以減輕距離彎曲對成像范圍的限制。It is proved by experiment that the linear temperature distribution, which generates linear wavelength spread of the output beams from a ld bar, can be obtained by introducing a temperature gradient heat sink and the output beams can be focused into a relative small spot by using the czerny - turner beam combining system
本文探討了利用溫度控制波長的原理,提出了溫度梯度熱沉的初步設想,及耦合光學系統的設計。初步實驗的結果證明利用czerny - turner光束耦合系統,可以改善慢軸上的光束質量,將光束聚焦到較小的尺度。Finally a novel algorithm flow is made to achieve 3d focusing with zoom microscope. for low enlargement images, global - coarse orientation is realized with auto - thresholding, corrosion - inflation operation and connected components labeling. and for large enlargement images, local - precise orientation is achieved by multiresolution wavelets segmentation on focus measure technique, which use the phenomena that images blur when out - of - focus
對于低放大倍數下的全局圖像,主要利用形態學中的腐蝕膨脹操作、自動閾值分割、區域標記等技術完成了鍵合目標中心位置的粗定位;而對于高放大倍數下的局部圖像,根據其半離焦的特徵利用基於小波高頻能量的多尺度顯微圖像分割方法實現了精定位。分享友人