等效調幅 的英文怎麼說

中文拼音 [děngxiàodiào]
等效調幅 英文
amplitude-modulation equivalent
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  • 調幅 : [電子學] amplitude modulation (am); amplitude調幅發射機 amplitude modulated transmitter; 調幅 ...
  1. 4. the signal data collected in expteriment are taken out in emulational research of system experiment. many methods such as adding window in frequency field, eliminating static object and so on restrain the width and sidelobe of static mussy weaves and detect out the target availably

    4 、在系統實驗模擬研究中調出實驗採集信號數據,使用頻域加窗不加窗、清除靜態目標方法很好地控制了靜態雜波干擾的度及旁瓣,有地檢測出了目標。
  2. In those books of electro - optics effect, bso crystal material possesses the advantage of low driving voltage, wide modulating rage etc, and take care of superiorly

    在各種電光應材料中, bso晶體以其半波電壓低,調度大顯著優點而備受青睞。
  3. Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model

    2 、在大量調查的基礎上,對吊車梁所承受的疲勞荷載應與應力進行了統計分析,同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析,為建立疲勞動態可靠性分析模式奠定基礎。
  4. Researches the basis watermark managing works particularly and systemly. there are many works to do on watermak technology except watermark embedding and extraction arithmetics such as the watermark choosing, encoding, modulating, demodulating and the watermark capacity. these prior and ultimate works ensure that the arithmetic is brought into effect. just understanding these, this paper analyses and researches the basic watermark theoretics in many pages. it brings forward chaos modulation on watermark modulating, brings forward chaos permuting on image permuting, introduces bch encoding on letter watermark processing and discusses the approximate estimate of the watermark capacity in dct domain and dwt domain by applying the current communication theoretics. there works not only extend ways for the later work but also are significative on watermark research

    全面系統地研究了水印信號的處理技術數字水印技術除了水印嵌入和提取的演算法外,還有許多工作需要做,如水印的選碼、編碼、調制、解調、能量的確定,這些預處理和后處理工作是演算法有實施的必要保證,正是基於這樣的認識,本文利用較大的篇對水印的基本理論知識進行了詳細的分析和研究,在水印的調制方面,提出了混沌調製法;在圖像水印的置亂方面,提出了混沌置亂法;在文字水印的處理上,引入了bch編碼;在水印容量分析方面,結合現代通信理論,對圖像在dct域和小波域內的水印容量估算進行了詳細的探討,這些工作不僅為本文後期工作鋪平了道路,而且對數字水印的研究具有重要的意義。
  5. Some functional blocks are set up with the basic block provided by spw, and some is programmed with c language. after the simulation of pulse compress mtd radar, the effect of some jamming signals is analyzed. especially, the jamming signal of high pulse repeat frequency is discussed

    完成脈沖壓縮mtd雷達的建模以後,又討論分析了幾種常見的干擾式樣,如噪聲調干擾、噪聲調頻干擾,著重討論了高重頻噪聲調頻脈沖信號的干擾果,並對幾種不同形式信號的干擾果進行了比較和分析。
  6. At the same tune, the paper analyses and discusses the control projects of the above parts. as for the hardware of the control system, on principle of reliability and considering the badly working condition of the vibratory roller, the paper chooses the special controller sp ecializing in the realm of construction machinery ' s control system in order to insure the reliability of the control system and simplify it. about the control quality of the system, the paper establishes the mathematical modes of the frequency modulation system and the amplitude modulation system, analyses the irrationality of the amplitude modulation project, puts forward to apply proportional - integral - differential controller ( pid controller ) to the traveling system and frequency modulation system

    作為控制系統的方案設計的基礎,本文首先對影響壓實果的振動參數進行了分析;然後針對智能振動壓路機的功能要求,將控制系統分為壓實參數的自動和手動控制、行走控制、轉向和蟹行控制以及智能灑水控制幾個部分,對各部分的控制方案進行了分析對比和論證;在控制系統硬體設計方面,以可靠性為原則,考慮到振動壓路機的惡劣工況,選擇了專用於工程機械控制領域的專用控制器,使系統的硬體設計得以可靠性保障和簡化;針對控制系統控製品質問題,建立了調頻和調系統的控制模型,對調系統的控制不合理性進行了分析,提出採用pid控制器對行走和調頻系統進行校正;在軟體設計方面,對各個控制部分進行了軟體編程流程圖設計。
  7. Developing foundation facilities of xi ' an and managing environment had been regarded as the direction of the urban spatial structure optimization. accoroding to the analysis of developing background of xi ' an, the optimization thinking had been pointed out. the urban competitiveness should have perfect urban foundation facilities, daintily urban environment and trenchancy urban visualize, which can accelerate industry to centralize and increase the urban competitiveness

    通過對西安市近年來制定的城市經濟發展重點、城市空間發展戰略及城市規劃新理念城市發展背景的分析,結合西安城市空間結構調整和優化的方向,提出西安城市空間結構優化的思路為:西安城市空間結構應具有基礎設施配套完善、生態環境舒適怡人和城市形象個性鮮明的城市空間優勢,促進產業集群,實現空間結構社會競爭力和環境競爭力大度改善,提高城市經濟益,增強西安城市競爭力。
  8. However, there are still quite a lot of constraints under current institutions to the sound operation of the extension centers, including shortage of extensionists, reduced times of training, too low of payment, unsuitability of their knowledge and skills to the new requirement of agricultural development, vaguer in the responsibilities and duties, lack of operational fund, lack of coordination among staff, poor management of the assets and physical materials, backward in the concepts and ideas about extension, weak in administration, etc. these factors restr icted the full play of the roles and functions of the centers, and the dissemination and adoption of the new agricultural technologies, varieties and products

    主要研究結果和結論:機構改革后,鄉鎮農業服務中心的編制數大度縮減,綜合性增加,組成人員呈年輕化,工作率和責任心有所增強,為農業增產、農民增收、農村繁榮做出了應有的貢獻。但是現行體制也存在不少制約因素,主要有推廣人員不足、培訓學習減少、待遇報酬偏低、推廣人員素質與農業發展要求不相適應、機構職能不明、事業經費缺少、業務工作不協調、機構撤併資產管理混亂、推廣理念落後、組織管理不到位。這些制約因素影響了機構職能的發揮,阻礙了農業新技術、新品種、新產品的推廣應用。
  9. This dual - loop strategy is analysed completly and simulated. the implementation strategy is using digital and analogous hybrid control. the voltage loop is realized by dsp, and the inner - loop is realized by analogous circuit the design of cpld which simplified signal - phase cascade inverter circuit is also introduced in this paper

    根據控制方案設計了採用數模混合方案的控制電路,電壓外環採用dsp控制,實現輸出電壓有值計算、 pi調解、輸出限操作,電流內環採用模擬電路實現,並基於復雜可編程邏輯器件cpld設計了載波移相電路和死區產生電路,簡化控制電路。
  10. The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi

    載波移相正弦脈寬調制技術有獨特的消諧波優勢,其開關頻率高,輸出波形正弦度好,可以大減小濾波器體積,為實現系統的高功率密度奠定基礎。
  11. We used anisotropic diffusion to improve the serrated edge effect and the unsatisfied visual result of traditional image defectors

    摘要提出了一種改進的自適應插值演算法,以改善傳統圖像傳感器圖像色調變化度過大,圖像視覺果不理想問題。
  12. The text choose fenjin countryside of changchun as the typical district, choose rs and gis as the technological platform, utilize serial statistical data of land use from 1990 to 2002, remote sensing image and actual census data, adopt arc and statistical analysis method to analyze the change of land use structure in the process of urbanization, achieve the pace, range, trend and shift matrix of land use change ; at the same time analyzing economy, social and ecological benefit. the result shows : the agricultural area is reduced year by year, construction area is increased gradually, the social economic benefits are obviously improved, but the ecological benefits of the land drop to some extent. the urbanization process is developing quickly but it sacrifices the environments

    本文選擇長春市寬城區奮進鄉為典型區,以rs和gis為技術平臺,利用1990 - 2002年的土地利用系列統計資料、遙感影像解譯數據以及實際調查數據,採用arc方法和統計分析方法對城市化進程中城市近郊的土地利用結構變化進行分析,獲得了土地利用變化的速度、度、趨勢及轉移矩陣;同時將同一時段奮進鄉的經濟、社會、生態益的變化與土地利用變化進行對比分析,結果表明:農用地面積逐年減少,建設用地面積逐漸增多,社會經濟益明顯提高,但土地的生態益卻有所下降。
  13. The thesis is the basis of futian company ' s practical cases, theory and cases such developed countries as north america ones in exploitation management. i would like to introduce exploitation management mode of new product, analyse the elements of conception exploitation and set up the mode of conception exploitation in the thesis. the mode of conception exploitation consists of putting forward concept, ascertaining target market, investigating consumers and analysing opponent products and technology resources, so that it improves the accuracy of product establishment and enhances comprehensive competitiveness

    本文根據我公司開發管理活動的實際,在分析研究北美發達國家開發管理理論和案例的基礎上,對新產品開發三階段管理模式做了介紹分析,研究了概念開發分析要素,從概念的提出、目標市場的分析、消費者調查研究,結合競爭產品及技術資源的調查分析,建立了概念開發模型,大度提高產品立項準確性和率,提高新開發產品的綜合競爭力。
  14. This method link amplitude adjust with phase adjust together, and perform coordinate control. by the simulation principle, the ct error compensation can be realized through operational amplifier, integrate circuit, fet, and other electronic component

    這種方法將電流互感器的相位調整和調整結合到一起,進行協調控制,運用模擬原理,並採用運算放大器,場應管電子器件實現了電流互感器的誤差補償。
  15. The reasons of wreckage of the reservoir are as follows : the inadequate, inefficient and outdated information about the reservoir, the lower anti - flood standard and the supervisor ' s ignorance of the reduction of reservoir capacity owing the a accumulated soils over years. so setting up the 3d model of danjiangkou reservoir : and mastering relevant information on water resources matter significantly not only to the dispatch and regulation of danjiangkou reservoir, but also to the forthcoming project of " water in the south to the north "

    水庫失事的原因多為:水文資料不足和未及時掌握水庫有關的水文資料,信息滯后,選用的防洪標準偏低;運行多年,庫內泥沙淤積使有庫容大度減少而管理者對此又未及時掌握。可見建立丹江口水庫三維模型,及時掌握有關水文資料,不僅對丹江口水庫的調度和管理,而且對即將實施的南水北調都有著深遠的意義。
  16. 7 ) in the prestesssed frames, direction of secondary moment of horizontal brace and secondary moment of equivalent load is sameness. horizontal brace is stronger, secondary moment of horizontal brace is bigger. 8 ) crack of column has influence on moment modulation on prestressed frames

    ( 7 )在預應力框架中,一般情況下,橫向約束次彎矩和荷載次彎矩同向,它同樣影響總次彎矩的大小,橫向約束越強,橫向約束次彎矩就越大,在次彎矩調中所佔的比例就越大。
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