零號針 的英文怎麼說
中文拼音 [língháozhēn]
零號針
英文
header punches in various drives-
Dr anita leung fung yee, maria, ceo of the group, said : " we are set to provide funding of up to hk 100 million for the production of three mega tv drama series : my home is in beijing, the passenger liner sunrise and angel of the road, each being around 40 episodes. such investments are expected to be disbursed between the fourth quarter of 2006 and the first quarter of 2007, with a view to enhancing both the quality and volume of the group s tv drama productions in mainland china.
勤緣行政總裁梁鳳儀博士表示，針對國內電視劇市場高速發展，集團不斷銳意提高其策劃及製作劇集之品質及數量，並計劃於二零零六年第四季至零七年首季為三部每套約40集之巨型電視劇，分別為家在北京抱擁朝陽號及馬路上的天使提供策劃等服務，製作費合共約一億港元。Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail
針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。On the analyzing of the technology trend, a plan of developing a multifunctional mark printer is brought forward the procedure of the development of a multifunctional mark printer is detailed in this thesis. a interface - card and a photoelectric board is designed, a control circuit is assembled by using them, through which a computer can control the mark printer ; a mark printer driver is developed by using com technology ; the mechanical part of the mark printer is designed by imitating milling machine ; a database software for components management is developed for high - speed train bearing industry. the managements include the registering for components, unique mark printing on components and analyzing of useful parameters. the user can complete the lifetime tracing for a component expediently
設計介面卡和光電隔離放大電路，組成了電機控制和抬筆控制電路，通過它們pc機可以控制標號印表機工作；採用組件化技術開發了標號印表機控制軟體，驅動標號印表機工作；參考刻模銑床原理，設計了機械部分；針對高速客車軸承廠，開發了零件標號管理軟體，使標號列印和信息管理系統有機結合起來，達到在登記零件信息的同時，自動列印零件的標號，方便了對零件的跟蹤管理。The theoretical analysis show that the nonlinear absorption for the probe light in the coherent atoms increases rapidly from zero to the steady state through a transient process when signal light is switched on
計算表明在信號光開啟后的瞬間，介質對探針光的非線性吸收從接近於零的狀態迅速增加，經過一個短暫的瞬態過程到達穩態。The main contents are listed as follows : some key technologies like curved discretization and contour offset are lucubrated ; aimed at the single shaped blanking, the arithmetic of single row and pair - wise double row are designed ; in order to make the layout efficient, some optimizing strategies are also brought forward
以「基於知識的型號工程模具快速設計與管理系統」中的排樣模塊為依託，主要工作如下：研究並解決了優化排樣過程中的核心技術，如曲線離散化、圖形等距放大等；設計了同類零件普通單排和對頭雙排演算法；為了提高排樣效率，還有針對性的提出了多種快速尋優策略。The cyclic estimation approaches of chirp signals in additive nose or multiplicative noise are proposed, it presents a way for the parameters estimation of zero mean amplitude chirp signals. the estimation performances in the additive noise or multiplicative noise are analyzed by the first order perturbation analysis method, and the error variance expressions of the parameters estimation under large samples are derived
針對加性噪聲情況及存在乘性噪聲的情況，提出了線性調頻信號參數的循環平穩估計方法，解決了零均值乘性噪聲的信號參數估計問題，並採用一階擾動分析方法，對兩種噪聲情況下的估計性能進行了分析，推導出了各參數的估計誤差方差公式。Digital receiver and its forepart operational principle are discussed, then methods of instantaneous autorelation, short - time fourier transform, wigner distribution and wavelet analysis are introduced in detail. the advantages and disadvantages and the application range of these algorithms are given. based on the merits of these algorithms, a new method for signal modulation type analysis is presented
本文討論了數字接收機以及前端的工作過程，然後詳細闡述了瞬時自相關、短時傅立葉變換、 wd演算法、過零檢測和小波分析等各種演算法在脈內調制分析上的應用，分析了各演算法的優缺點，提出一種并行處理模式：即針對不同的信號採用不同的演算法對脈內調制信號進行分析。Through consulting the cutter standard graphics in the book of " dijet carbide tools, " the standard and improved cutter standard graphic database is established with database language. by the parametric design of cutter, the efficiency during the period of cutter design is increased greatly, the cutter movable cycle enlarged and the cutter service life extended. the selections of optimum cutter and cutting quantity for the spare parts with different materials, hardness, specifications and types are analyzed
刀具標準圖形庫是基於autocad的環境下，實現車間一級的針對刀具的圖形管理系統，通過參考《黛傑硬質合金切削刀具》書中的刀具標準圖形，運用了數據庫語言建立了標準的、比較完善的刀具標準圖形數據庫，並對刀具進行了參數化設計，大大提高了刀具設計過程中的效率，加大了對刀具的活動循環，延長了刀具的使用壽命，對不同材質、硬度、規格型號的零件如何選擇最佳的刀具以及切削用量的選擇做了分析。分享友人