特細過濾器 的英文怎麼說
中文拼音 [tèxìguòlǜqì]
特細過濾器
英文
ultrafine filter- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 濾 : 動詞(除去液體雜質) filter; strain
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 過濾器 : absorber
- 過濾 : [工業] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straini...
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And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions
最後,我們利用liga技術加工的獨特優點,以發展其高深寬比技術的實際應用,先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質,還結合利用liga技術和微細電火花技術的加工優點,製作出了不銹鋼微結構The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument
本文採用模塊化設計方法,詳細描述了典型信號生成模塊、數據處理模塊、數據讀取和存儲模塊、顯示模塊等軟體開發的全過程,分析、解決了設計及實現過程中出現的問題,並給出了已實現的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability
本課題採用壓阻式加速度計和磁阻傳感器分別測量重力加速度和地磁場,通過avrmcu軟體解算出姿態角和方位角,課題詳細分析了影響模塊性能指標的因素,就數字濾波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案,研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設計要求,為姿態角測量提供了有效的手段。Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier
通過詳細分析地層的吸收衰減特性, system - one ( two )頻譜整形濾波器及24位a d的特點,對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡濾波器的理論設計,程式控制型前置放大器的理論分析與設計。An approach for quality assessment of the filtered images was proposed. after qualitative and quantitative assessment, some conclusions have been drawn : ( 1 ) spatial filters are affected greatly by filtering window size, the size of 5 5 presents best result ; ( 2 ) enhanced frost filter, enhanced lee filter and gamma - map filter smooth the speckle noise well with a small sacrifice of losing texture details and narrow edges, which are better than other popular spatial filters ; ( 3 ) the results show that the proposed filter retains texture and edges well, so more researches are expected
通過對jers - 1sar圖像的各種濾波圖像進行了目視評價和指標比較,得出如下結論: ( 1 )各種空間濾波器受濾波窗口的影響很大, 5 5大小的濾波窗口濾波效果較好; ( 2 )對比各種常用的空間濾波器,增強的frost濾波器、增強的lee濾波器和gamma - map濾波器在去噪和紋理、結構特徵保持方面效果最好; ( 3 )小波濾波方法在保持sar圖像紋理細節方面表現出了很好的優勢,還有待進一步研究。For purposes of answering this question, i am not particularly interested in the details of configuring filter applications to work with various mail transfer agents mtas
為了回答這個問題,我沒有將注意力特別放在配置過濾器應用程序,使之能使用各種「郵件傳送代理( mail transfer agents ( mta ) ) 」的細節上。The main work is as follow : the pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. using this method we may get different grey vehicles from the background exactly. used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition ; improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines ; and to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization ; in the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates
本文根據智能交通控制與模擬對于交通流量、車輛到達率、車輛速度等交通信息檢測的需求,基於視頻圖像進行了交通信息處理的演算法研究與實現,主要工作包括以下幾個方面:將先鋒遺傳演算法應用到圖像閾值分割中,利用先鋒遺傳演算法尋求全局最優閾值,可以比較準確的將圖像中不同灰度的車輛從背景中分離出來;採用支持向量機理論進行了車輛自動分類的模擬研究,模擬結果證明該方法能夠比較準確的將車輛的類型進行識別;改進了基於背景自動更新的虛擬檢測區域演算法,提高了車輛檢測的實時性和準確性;並對基於虛擬檢測區域的圖像處理演算法實現進行了詳細說明;論文中還介紹了基於灰度連續性的運動車輛特徵提取演算法進行車輛的特徵提取以及採用彩色過濾器同灰度圖處理相結合的定位方法進行車輛牌照定位的實現方法。Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time
然後,結合系統中各主要部分的任務,詳細介紹了信號處理的各個步驟:通過實驗比較,並結合接收信號的特點,選用帶通濾波器、比例放大器、相干檢波等技術對信號進行預處理;然後對獲得的多卜勒信息進行采樣和頻譜分析;最後,用比較直觀的形式顯示數據結果,以及時準確地告警。In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf
首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度,為微粒捕集器的優化設計提供理論指導。The text commenced from the technique background of the firewall, which introduced the ixa architecture of the network processor first, including the total architecture characteristics, internal technique, hardware etc. ; then described the whole hardware structure and the software structure of the firewall, and development environment ; after that introduced the conception of network security and firewall technique, and gave analysis of characteristics of ipv6 protocol in detail ; with the firewall design immediately after at every step thorough, put forward the requirement of the ipv6 firewall project first, including design target, technique innovation, application situation etc., described software and hardware architecture of the whole system, the internal connection and total flow later on, elaborated function and realization of six modules of control plane, including vpn, packet filter core, application proxy, configuration and management, url filter, log, and referred to the database that the
正文開始從防火墻的技術背景入手,先介紹了網路處理器的ixa架構,包括總體的架構特點、內部技術、具體型號硬體等;接著描述了防火墻的整個硬體結構和軟體結構,以及開發環境;然後介紹了網路安全的概念和防火墻技術,並對ipv6協議特點作了較為詳細的分析;接著按著防火墻設計的步步深入,先提出了ipv6防火墻的需求,包括設計目標、技術創新點、應用場合等,隨后描述了系統整體的軟硬體結構、內部聯系及總體流程,而後著重詳細闡述上層vpn 、包過濾核心、應用代理、配置管理、 url過濾、日誌六個控制平面子模塊的功能和實現,並提及系統實現中使用的數據庫。In order to remove noise in images perfectly, a class of the generalized morphological filters ( gmfs ) was introduced. we set up the relations between the gmfs and the stack filters, and analyzed the output statistical properties of the gmfs under various input distributions. by simulation and comparison, we verified that the gmfs had better performances than the traditional morphological filters in noise - suppressing and detail - preserving
為了更好地濾除圖象中的噪聲,本文研究了一種廣義形態濾波器.在建立廣義形態濾波器與層迭濾波器關系的基礎上,分析了各種輸入分佈時,廣義形態濾波器輸出的統計特性.通過模擬比較,驗證了在噪聲抑制和細節保持方面,廣義形態濾波器比傳統形態濾波器有較好的性能Main works based on the newspaper samples is just as the following : ( 1 ) texture block is designed to embody more font characters. ( 2 ) filter orientation is optimized with genetic algorithm to make the angle set subtler. then the multi - channel gabor filter may extract better features
通過對實際字體樣本的分析,本文主要完成了以下工作: ( 1 )設計了更能體現字體特徵的紋理圖像塊; ( 2 )利用遺傳演算法對濾波角度進行了優化選擇,得到了更為精細的角度集合,以此生成的多通道gabor濾波器能夠提取穩定的字體特徵; ( 3 )字體樣本的分佈具有多峰性質,以動態聚類演算法得到的分段線性分類器更好地分類字體。分享友人