零級波 的英文怎麼說
中文拼音 [língjíbō]
零級波
英文
zero order wave-
So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio
對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。The company is located at zhejiang ningbo technology park and it engages mainly in the smelting equipment of magnesium and aluminum allo y, quantitative conveying ana pouring equipment, gas protection device and the magnesium alloy pressure casting parts. the more, it can provide services of technology development, achievements transferring, process revamping, material inspection, computer stimulation, etc. the company is based on the strong technical strength of the military technology and the research institutes and has a large number of senior research personnel. the company owns many patents and know - hows, among which the magnesium alloy smelting, gas protection, quantitative pouringas well as the later on processing technology has reached the world advanced levet. the company sticks to aim of quality first, credit supreme and would like to provide best
公司位於浙江省寧波市科技園區凌雲路199號，是以生產鎂合金鑄件為主業，包括壓鑄低壓鑄造等，並具備技術開發成果轉化等功能的綜合性科技公司，以兵器工業和科研院所的雄厚實力為依託，擁有自主知識產權的多項專利專有技術和國際一流的技術裝備，擁有教授博士碩士等高級專業研究人員數名在鎂合金鑄造產品研製及后續加工方面，我公司擁有技術領先優勢，目前我公司為電動工具汽車摩托車零部件it行業以及軍工方面提供配套產品配套設備技術咨詢與技術服務技術轉讓及聯合開發，還可以進行工藝改造材料檢測檢驗計算機模擬等多項服務Ripple gestures at the sprawling mountain valley around us and points out that although numerous other cottonwoods dot the landscape, this knot of saplings comprises the only young ones ? the rest of this part of the lamar is a geriatric ward for trees
瑞波比畫著圍繞在我們四周的山谷，指出這里雖然有許多三角葉楊零星散布，但眼前這簇幼木卻是僅有的年輕樹叢，拉馬河谷其他地方都是銀發族等級的樹了。A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器，電路的主要優點是：前級移相全橋的移相角控制在_ d _ i和_ （ overlap ） - _ d條件下，超前橋臂零電壓開通，滯后橋臂零電流關斷，並使周波變流器所有開關在零電壓期間重疊換相，使整機開關最大程度地實現了軟開關，並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts
從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。The appearance position of hot - image satisfied the rule of z2 = z1 - lv, z2 is mean the image distance, z1 is mean the object distance, and lv is mean the distance between the nonlinear medium. the theory is also validated by the optical propagation software. if n = 1, then the nonlinear medium is only one, lv = 0, and it will satisfy the rule z2 = z1
四、從非線性近軸波動方程基礎上用散射矩陣理論推導了級聯介質的熱像規律，得出級聯介質的熱像位置滿足z2 = z1 - lv ，其中z2為像距， z1為物距， lv為級聯介質間的距離，並用光傳輸軟體得到了驗證;發現級聯的非線性介質可以看成單一的非線性介質相連，散射點對級聯介質的每一段非線性介質成像;當只有一段非線性介質時，可以認為lv為零，滿足z2 = z1 。The matlab program is used to reconstruct the image of objects and by several ways of digital image - processing such as band - pass filtering and v - filtering, the quality of reconstruction image is greatly improved
利用帶阻濾波和v型濾波等數字圖像處理方法削弱了零級衍射斑的影響，提高了再現像質量。According to wideband mission data protocol, the paper finishs such work as identifying synchronization codes, inverting pseudo randomizer, unwrapping data packages. then, according to etm + mission data formats, imaging data and parameters used in calibration are extracted, and inputed into files
根據其寬波段任務數據協議和etm +任務數據格式，論文工作完成了數據的解同步、解擾、解包等步驟，並提取得到圖像數據和用於輻射及幾何校正的參數，最終輸入到相應文件中，生成零級產品。It can increase information quantity, improve vision effection, and therefore advance the explanation ability of one frame of image, by carrying out data fusion with remote sensing images got from different satellites or with images of different bands got from same satellite
對中巴資源一號衛星的零級數據的實際處理獲得很好的效果。對不同衛星的遙感圖像或同一衛星的不同波段的圖像進行融合，可以提高單幅圖像的信息量、增強視覺效果，進而提高目視解譯能力。In this thesis, we subsequently introduce the basic concepts of wavelet transform, especially the pyramidal algorithm and its fast realization - lifting scheme ; this scheme can decrease the time and space complexity of wavelet transform greatly. wavelet transform, the most perfect mathematical tool of signal processing theory, makes great success in the field of data compression. ezw and spiht are the milestones of wavelet image coding on the noiseless channels, and jpeg2000 adopts the ebcot algorithm
嵌入式零樹小波編碼（ embeddedzerotreewavelets ）和多級樹集合分裂演算法（ setpartitioninginhierarchicaltrees ）都是迄今為止最為優秀的理想通道情形下的小波編碼方案：而jpeg2000靜態圖像壓縮國際標準採用的是嵌入式碼流優化截斷塊式編碼演算法（ embeddedblockcodingwithoptimizedtruncationoftheembeddedbit - streams ） 。The subwavelength optical elements with features smaller than the wavelength of the incident illumination do not give rise to diffraction other than the zeroth orders in the substrate and incident medium
亞波長光學元件的特徵尺寸小於入射光波波長，特點是僅有零級反射波和透射波存在。Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue
系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算法來減小隨機誤差，並以精密基準電壓作為比較信號的輸入，由智能系統通過線性運算，實時地修正、校準測量數據，減小系統的零漂，實現自動定標並提高測量的精度。Mr. chan po chai, janitor i at the estates management office, passed away on 17th march 2006. mr. chan joined the university in 1996
物業管理處一級校工陳波仔先生於二零零六年三月十七日辭世。陳先生於一九九六年加入本校服務。This paper analyzed the modulation and filter technique on joint power spectrum ( jps ), which reduced the intensity and width of the strong dc component existing in the classical joint transform correlator, improved the recognition ability greatly
針對聯合變換相關器，分析了對聯合功率譜的調制和濾波技術，縮小了峰值半寬度、削弱了零級自相關的能量，改善了經典聯合變換相關器識別性能。The laser threshold decreases from 4. 7w ( without external cavity ) to 3. 6w ( with external cavity ). with the cavity of output from zero - order diffractive beam applying to solid - state pyrromethene 567 ( p567 ), tunable range of about 70nm from 543 - 610nm, the largest range reported as we know, had been achieved. and the highest slope efficiency of 17. 2 % was obtained at 583nm wavelength
在使用光柵一級反饋、零級輸出可調諧腔的可調諧實驗中，得到了調諧范圍近70nm （ 543 610nm ）的激光輸出，此結果在已知報道的激光調諧范圍中是最寬的，輸出波長為583nm時得到最高斜效率17 . 2 。Third, the quantization of wavelet coefficients based on the embedded zerotree wavelet ( ezw ) is discussed and some improvement is made to it. finally, this paper brings forward a scalable image coding method based on iwt and the improved zerotree quantization, which can realize lossless to lossy image compression, more simple computing, and higher - quality reconstructed image compared with image coding method based on traditional wavelet transform. the experimental results are satisfying
在此基礎上，提出了一種基於整數小波變換和改進零樹量化方法的可分級圖像編碼方法，該方法可以實現圖像從完全無損到有損壓縮，與基於傳統小波變換及零樹量化的方法相比，運算簡潔，速度快，重構圖像質量高，取得了令人滿意的效果。Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle, azimuth and grating parameters are variant
摘要從嚴格耦合波衍射理論出發，在不同入射角、方位角和光柵參數下的情況，計算了矩形亞波長光柵零級反射效率隨入射光波長的變化。At the position of the zeroth order, all wavelengths from each slit add constructively ; this produces the bright white light you see as the zeroth order at the center of the back focal plane of the objective ( figures 3 and 4 )
在零級位，從柵格標本的各個窄縫中發出的所有波長會產生相加的干涉，在物鏡的后焦面中心會看到明亮的白色像。For a simple three - level supply chain comprising a single manufacturer, a single retailer and an end customer, this paper builds up a demand information forecasting model based on attribute theory method, thus enhancing the prediction effect, which helps to optimize the decision process and prevent the bullwhip effect in supply chain
運用屬性論方法，就製造商零售商客戶三級供應鏈，提出了一個需求信息預測的方法，由此來提高對這種波動性的適應能力，增強預測的準確性，幫助供應鏈上各節點企業優化決策過程，最終防範了牛鞭效應，並且還提供了此預測方法的演算法流程。分享友人