直接進樣技術 的英文怎麼說
中文拼音 [zhíjiējìnyàngjìshù]
直接進樣技術
英文
direct insertion technique- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 進 : 進構詞成分。
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 技 : 名詞(技能; 本領) skill; ability; trick; technique
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 接進 : stup to
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In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched
它是一種主動式干涉成像技術,這一技術通過時域內的相位的調制完成直線條紋對目標的掃描,從而達到對深空目標頻譜的抽樣,然後接收其散射回波,對回波信號進行處理,進而還原出目標的像。With the massive technological upgrading and industrial upgrading, and mainframe users of the products bearing accuracy, performance, life and diversification of higher demand for the bearing industry to bring tremendous market potential, the current exhibition " in a professional, exchanges and cooperation, " as the theme, in conjunction with the " chongqing industrial development forum ", in western china to build brand event through new products, new technology exchange and display, for the industry to provide direct and effective enterprise business platform enhance enterprises with customers face - to - face exchanges and cooperation and promote the common western manufacturing development
隨著大規模的技術更新和產業升級,主機用戶對軸承產品的精度性能壽命及多樣化提出了更高的要求,為軸承行業帶來巨大的市場發展潛力,本屆展會以「專業交流合作」為主旨,結合「重慶工業發展論壇」 ,致力於打造中國西部的品牌盛會,通過新產品新技術的交流和展示,為業內企業提供直接有效的商務平臺,增強企業與客戶之間面對面的交流合作,促進西部製造業的共同發展。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、熔模和消失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。Based on many other circuit formats, a new kind of logic - level circuit representation, called unified middle - level circuit format ( umcf ), is defined in this paper, in which some special operations on circuit related with power estimation and low power design. umcf can not only interchange circuits of different formats, but also convert circuits to hspice acceptable files, which can be used for transistor level power estimation
本文結合多種不同的電路格式,自主定義了一種邏輯級電路的中間表示形式(稱為umcf )和一系列極具特色的與低功耗技術相關的操作,它不但可以實現與其他多種電路格式之間的相互轉換,還可以將電路直接轉換成hspice可以接受的文件,進行晶體管級的電路功耗估計,這樣可以在公認的高精度的功耗模擬器上,對本文的結果進行有效的驗證。The sampling technology is also being explored which including lowpass sampling, quadrature sampling and direct passband sampling and the setting of a / d, sampling rate, data acquisition and selecting filtering parameters. the implementation of each technique is also being discussed
分別對低通采樣、正交帶通采樣和直接帶通采樣技術中有關a d在系統中的位置、采樣率的確定、信息獲取和濾波參數選取等問題進行系統論述,並討論了各自的技術實現問題。Based on the theory of charge calibration and sample and reconstruction of frequency limited signal, the scheme of adopting direct digital synthesizing technology and technology of computer is put forward in the paper. the design of hardware and software is described in detail, the error of the outputs signals of the high precision charge calibrator has been analyzed in theory
文中基於電荷校準的原理及帶限信號的抽樣與重構理論,提出了採用直接數字合成技術與計算機技術的整體設計方案,詳細講述了硬體電路與系統軟體的設計過程,並對高精度電荷校準儀輸出信號的誤差進行了理論分析。Although reducer can avoid step sense and oscillation partly, the strap transmission will influence orientation precision ( it is key norm to the small metallographic sample cutting machine ), so plan to use step motor to drive the screw directly, the step motor at low velocity, which is not drived by the subdividing drive system, will have obvious oscillation and noise that would influence the cutting function, the usage life and sample structure
由於步進電機是通過皮帶輪減速來驅動絲杠,進而帶動砂輪片前進和後退,雖然減速能部分消除步進感和振動,但皮帶傳動會影響定位精度,定位精度對精密切割機十分關鍵的技術指標。採用步進電機直接驅動絲杠,未經細分驅動的步進電機在低速運行時,有明顯的步進感、振動和噪聲,從而對切割的性能、砂輪片的使用壽命、試樣的組織結構產生較大的影響。As an up - to - date applied tech, ecu hardware - in - loop simulation system ( ecu hilss ) can be regarded as a tool with integrated software and hardware, which is adaptive for real - time simulation. during debugging, the hilss is connected to ecu directly as a virtual engine, receiving the control from the ecu and sending out the homologous running message of the engine, which reduce the tests and cost of all kinds. besides, operators are provided with a convenient way of conditioning and observing the whole system because of its software controlled mechanism of imparting information
作為一門新興的應用技術, ecu硬體在環模擬系統( ecuhilss )可以看成是一套軟硬體集成的實時模擬工具,在對外部ecu系統進行調試時,它作為虛擬發動機的載體直接與ecu系統相連,接受ecu的控制調節,並向ecu提供相應控制下的發動機實時運轉工況信息,這樣就相應地減少了臺架試驗,在節省各種人力物力的同時縮短了調試時間;此外由於hilss是通過編制軟體來實現各種信息傳遞,它能給操作者提供方便友好的調節觀測環境,從而大大增強ecu調試過程的靈活性和可靠性,消除由於某些試驗因素可能導致的危險性。This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits
本文採用了一種基於fpga的通用數字調制解調方案,該方案在調制端採用了正交平衡調制技術,在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術,直接在中頻上進行數字信號處理,不需要進行下變頻,也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。In the direct effect, the international trade effect is obvious, which build the first grade of fdi ’ s economic growth. while in the indirect effect, technology advancement and industry structure promotion build the second grade of fdi ’ s economic growth. and the capital accumulation effect along with some other outside effect, such as system innovation effect and effects of employment, which build the third grade of fdi ’ s economic growth
兩者之間既單獨產生作用又相互影響,但它們所表現的增長推動力和著力點是不一樣的:在直接效應中,貿易促進作用是顯著的,它構成了fdi對我國經濟增長的第一序列;在間接效應中,技術進步和產業結構升級的作用是顯著的,它構成了fdi對我國經濟增長的第二序列;而不顯著的國內資本形成效應、制度變遷效應以及一些其他外部效應,則構成了fdi對我國經濟增長的第三序列。There will be a great future if we integrate solar energy utilization techniques into heat pump techniques. on the base of integrating the two techniques, the paper analyzed the art trait of heat pump water heater, the manner of integration, the essential theory ; and developed a small capacity direct expansion solar - assisted heat pump water heater, and tested its thermal performance on the condition of different weather such as sunshine, overcast sky & night. the results make clear a small capacity direct expansion solar - assisted heat pump water heater can absorb not only solar energy but heat energy in air ; it takes on favorable thermal performance, on the condition of different weather such as sunshine, overcast sky & night, coph is about between 3. 5 ~ 5. 0, eer is about between 2. 5 ~ 4. 5, these are better than traditional air source heat pump water heater and non - direct expansion solar - assisted heat pump water heater, and it takes between 2 and 3 kwh to heat 270 kg water from 20 c to 50 c, it is very great in terms of saving energy and protecting environment,
本文在結合太陽能利用與熱泵技術的基礎上,分析研究了太陽能熱泵熱水系統的技術特點;太陽能集熱系統與熱泵系統的結合方式;直接蒸發式太陽能熱泵熱水系統的基本理論;研製出小功率直接蒸發式太陽能熱泵熱水系統樣機,並在晴天、陰天、夜晚等不同的天氣情況下對其進行了試驗,實驗結果表明:本小功率直接蒸發式太陽能熱泵熱水系統不但可以有效地吸收太陽能,還能有效地吸收空氣中的能量,具有良好的熱性能,在不同的天氣情況下,其制熱系數cop _ h大約在3 . 5 5 . 0之間,優于傳統的空氣熱泵和非直接蒸發式太陽能熱泵熱水系統:其效能比eer大約在2 . 5 4 . 5之間,將270kg水從20加熱到50隻需用電2 3度,節能及環保效果明顯。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted
Thz ( 10 ~ ( 12 ) hz )時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源,利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形,通過傅立葉變換得到測量信號振幅和相位的光譜分佈,進而獲得材料在thz波段的復介電常數,即色散及吸收等信息。Modeling of mechanics multibody system is the primary sustaning technology of virtual prototype. it is the base of virtual prototype to realize simulation. design and control. the technology of virtual prototype has changed the tradisional design based on physical prototype, and has greatly reduced the expensive and time wasting manufactrue and exprements of physical proto type. it allows the users analyse and compare rared of designe plans fastly. it can realize optimized design, and can find the potential questions in the early design. it is the effective method to improve qualities of products, to shorten the developing cycle, and to reduce the developing cost
機械多體系統動力學建模是虛擬樣機的主要支持技術之一,它是虛擬樣機實現模擬、設計製造和控制運行的基礎。虛擬樣機技術改變了傳統以物理樣機為基礎的設計,大大減少了昂貴而費時的物理樣機製造及試驗過程,使用戶可以直接在計算機上快速分析比較多種設計方案,進行優化設計,在設計的早期及時發現潛在的問題,是提高產品質量、縮短產品開發周期,降低產品開發成本的有效途徑。However, the use of this technique has been very limited in the sonar environment mainly because of difficulties of maintaining a stable track under water and problems of under - sampling of the aperture arising from the relatively slow velocity of acoustic waves in water
但是直接將窄帶合成孔徑雷達技術應用於水下聲納卻遇到了困難。困難主要來自以下三個方面:首先,聲速很低,這使得聲納必須航行的相當慢,以保證對聲孔徑進行足夠的采樣。The debt problems confronting a number of developing countries have reinforced china ‘ s determination to introduce foreign technology by means of direct investment and concessionary finance rather than by raising substantial sums of money on the international capital markets
許多發展中國家面對的債務問題使中國在引進外國技術時下了這樣的決心:採用直接投資和優惠付款方式融資,而不是在國際資本市場籌集大額的資金。This paper divides into six chapters : the first chapter - base on the analyses of the origin, conception and development status of sr, this chapter discusses the key technology and realize difficulties of sr and advances the intention and meaning of the paper. the second chaptei - the sr system with radio frequency band - pass sampling architecture is a design scheme close to software wireless radio ( swr ), this chapter introduces three system architecture of sr system and analyses the theory of radio frequency band - pass sampling. the third chapter - this chapter analyses and designs the dsp hardware platform with radio frequency band - pass sampling architecture
本論文分為六章:第一章在分析軟體無線電的起源、概念、發展概況的基礎上,闡述了軟體無線電的關鍵技術及實現難點,提出了本論文研究的目的與意義;第二章射頻直接帶通采樣軟體無線電結構是接近理想化的軟體無線電設計方案,本章對軟體無線電系統的體系結構及射頻直接帶通采樣原理進行了分析;第三章分析並設計了射頻直接帶通采樣結構軟體軟體無線電系統的dsp硬體平臺;第四章研究了調制解調及信號調制樣式的識別演算法並給出了dsp實現,這是在dsp平臺上實現軟體無線電功能的一種常規方法;第五章分析了應用快速原型技術開發軟體無線電系統的必要性及可行性,完成了軟體無線電系統的matlab模擬及結合ti公司的tms320c6711dsk板的快速原型實現,這也是本論文提出的軟體無線電的一種新的研究方法。Since then, technology advances such as object - oriented programming ( oop ) have taken developers a long way from machine - level instructions and direct management of memory
從那以後,諸如面向對象編程( oop )這樣的技術進步使得開發人員遠離了機器指令和對內存的直接管理。In order to get the knowledge about public payment awareness of forest environmental services ( fes ), this paper analyze about 600 questionnaires with spss, and the result is showed as the following : ( 1 ) publics have different payment awareness to forest environmental services : the maximum is eco - tourism, then the watershed services, the minimum are biodiversity service and carbon sequestration ; ( 2 ) family income, perception of fes benefits and the moral responsibility effect participants ' payment awareness effect participants ' willingness to pay ( wtp ) directly and strongly ; ( 3 ) the recognition of fes, attitude to fes payment and fes impact range effect indirectly
摘要採用分層等距抽樣技術,並利用spss軟體對在長三角地區發放的旨在調查公眾對森林環境服務付費意識的600份問卷(其中有效問卷551份)進行統計后獲知: ( 1 )公眾對森林生態旅遊服務收費的認可程度最高,其次是水文服務,而對生物多樣性和固碳服務的支付意願最低; ( 2 )直接影響公眾付費意識高低的因素包括:家庭收入、公眾對自己從森林環境服務中受益程度的認識、公眾對森林環境服務所具有的道德責任感等; ( 3 )公眾對森林環境服務重要性的認識、對森林環境服務收費的態度、森林環境服務的作用范圍則間接地影響了其支付意願的大小。分享友人