收片機構 的英文怎麼說
中文拼音 [shōupiānjīgòu]
收片機構
英文
film traction machanism-
First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif
文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案，由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構，對ic2001和dsp的主要功能模塊， hi模塊， dsp片上外設hpi口、 edma和emif總線作了分析，並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統，進行功能實現后輸出數據繪制出波形圖，對所設計的基帶系統驅動方案進行驗證分析。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。Picture including any subjects or components depicted thereon submitted to the client cannot be copied, reproduced, posted, published, uploaded, transmitted or distributed or resold or offered free of charge or with monies to any person or organisation in digital, slide, print or any other format by any means electronic, mechanical, micro - copying, recording, storage retrieval system or otherwise or media unless otherwise agreed in writing on the suppliers form
客戶獲提供的圖片包括其描繪的任何題材或組成部份，不得採用任何方法電子機械縮微復印錄制存取系統或其他方法或媒體，以數碼幻燈片印本或任何其他格式復印復制張貼刊印上載傳輸分發轉售或提供不論免費或收費提供予任何人士或組織，除非供應機構的表格上另行書面同意者，則不在此限。3. based on the purchase of some hardware, the second research on contactless ic card has been carried out, combining with network database, regarding single - chip computer as a core and pertinent periphery circuit as affixation. this thesis achieves the design of toll - display and balustrade and presents the design process and circuit, also accomplishes the frame design of the no stop electronic toll collection system based upon contactless ic card
（ 3 ）在購買部分硬體的基礎上，對非接觸卡系統進行了二次研發，結合網路數據庫，以單片機為核心，附加相關的外圍電路，實現了收費額顯示和提桿機控制箱的設計，給出了具體的設計過程和設計電路，完成了基於非接觸ic卡的不停車收費系統架構設計。The machine is characterized as precise, compact and mutiple - function. it is composed by three parts - calender, roll - cut moulding or punch - print moulding, remaining material recycling
該機結構精密、緊湊，多功能，由三組軋輥壓片、滾切成型或沖印成型，余料回收等構成。To view the video clip featuring the importance of partnership inside and outside the government
請選按以下錄像頻寬，收看展示政府與其他機構合作無間的錄影片段。The system adopted a distributed framework with the pagering center as human machine interface, the pager receiver and mcu - controll system as remote terminal unit so as to get greater flexibility in use
該系統採用尋呼臺為上位機、尋呼接收器和單片機控制系統為下位機的分散式結構，給條屏使用以很大靈活性。It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer
紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的振蕩器由ne555構成，它可對串列口輸出信號進行調制，一體化的紅外接收頭對紅外信號進行解調、濾波和整形，再送單片機處理。Based on film - tension analyses, the machine of film tension to be measured and controlled during the whole course was designed ; and also expatiate the idea of preventing scratching film in this paper ; finally, the experiment of film - transport machine proved it correctly and this machine satisfied space camera ' s technology standard
從膠片傳輸路線中的定量輸片機構的供片量片輥和收片量片輥的運動特性出發，分析膠片的運動特性，研究了輸片力的變化規律，以此為依據進行了張力感測與張力控制機構的運動分析。This thesis deals with design and application of a multiprocessor made of four dsps in monitoring receiver. the broadband monitoring receiver requires a kind of chip with high performance because of complicated intermediate frequency signal processing. the author selects a kind of digital signal processor called adsp21160. during the process of design, the author uses cpld, fpga and some special cpus to finish signal, processing in the monitoring receiver. cluster multiprocessor based on vxibus made of four adsp21160 is put forward. the task distribution of four dsps is solved too. furthermore, data transition methods between chips at a high speed through link ports and chip extension mode using external port are recommended. the author debugs, emulates the program in one adsp - 21160 ez - kit lite and simulates the multiprocessor program in visualdsp + +
本文主要探討了監測接收機中多dsp處理模塊的設計與應用，寬帶監測接收機的中頻處理數據量大、實時性高，這樣，對dsp晶元提出了很高的要求，作者通過比較選擇了最適用於監測接收機的數字信號處理器adsp21160 ，並結合使用了cpld 、 fpga以及一些專用的cpu來完成監測接收機中的數據處理。作者提出了由四片adsp21160組成的簇式多dsp處理模塊的結構並配以了vxi總線，論述了簇式結構的特點，解決了多dsp處理模塊中四片adsp21160的任務分配問題。Film transmission machine consists of film supply system ， film receipt system and film measuring system. both film supply system and film receipt system are tension servo systems. film measuring system is system of controlling film length ， this three systems are independent and relative one another. film measuring operation of film measuring system disturbs both film supply system and film receipt system as an extra - interference and it is very heavy
等量牽引式輸片機構由三部分組成? ?供片系統、收片系統和量片系統，供片、收片系統均為一個張力伺服系統，量片系統是一個畫幅控制系統。三個系統各自獨立又彼此聯系，量片系統的量片操作對供片、收片張力伺服系統是外來的干擾，且擾動力很大。Because it is difficult to collect catv toll, so the pay tv management control system is made. the addressable hub controlled by a single chip computer is the key part in the system. it has the function of switching the tv signal on / off, and it has been used widely in many cities. the structure and soft - hard ware design scheme in the addressable hub is introduced, which is a reference for design in future
為了解決有線電視入戶收費難的問題，採用可尋址集線器為核心器件，構成了有線電視可尋址收費控制管理系統，達到了有線電視收費現代化管理的目的，單片機是集線器的關鍵控制器件，實現了對用戶信號埠的遠動開關功能，並得到了廣泛的推廣應用，對集線器結構和軟硬體設計方案進行了介紹，可為設計類似系統提供參考和借鑒。Over the past two decades, the hong kong museum of history and the hong kong public records office, both government institutions specialising in collecting materials related with local history, paid great attention to the collection of historical photographs. so far, some 20, 000 pictures have been collected, of which the earliest was taken in end 1850s. they provide valuable information for us to learn about and to study the history of hong kong
兩所專門收藏有關香港歷史資料的公營機構：香港歷史博物館和香港歷史檔案館，近二十年來都十分注意對歷史照片的搜集工作，它們所收藏有關香港歷史的舊照片至今約有兩萬幀，當中最早的歷史照片是一八五零年代末期的攝影作品，這批歷史照片藏品是我們研究和認識香港歷史的寶藏。This machine adopts closed loop control mode and under the control of single - chip microcomputer, it can receive input of keyboard and mechanical sensor and drive electromotor working so as to realize function of traction ; according to the inputted parameters the machine can use persistency or intermission working mode to cure patients and display working status ; it has the functions of quick reposition, safe protection for double traction device and convenient adjustment ; it can be used to treat neck and lumbar diseases
該儀器採用閉環控制方式，在單片機的控制下接收鍵盤輸入和力學傳感器輸入，驅動電機帶動牽引機構實現牽引活動；根據輸入參數能實現持續、間歇等多種牽引治療方案並顯示運行狀態；具有快速復位、雙牽引安全保護和方便的校準功能；可用於對頸椎和腰椎疾病的治療。The research content is detect of log internal defect ( such as knobs, internal decay, hollow, etc. ) and shape by using x - ray to penetrate the log. the absorb of x - ray between log internal defect and log internal xylem is different. so the x - ray photograph is different. if we can get the several side x - ray photograph of log. and input the photograph into computer to digital image process
由於原木木質部分與內部缺陷部分對x射線的吸收能力不同，在x射線底片上形成的影像也不一樣，如果對檢測原木從不同的方向進行照射，再把得到的射線底片輸入至計算機內部進行處理，就可以得到原木內部的大致空間結構參數，對原木的加工有重要的輔助作用。This dissertation discuss the key technology of wide band digital t / r module, including : architecture of the wide band digital t / r module ; wide band signal generating technology based on ddws ; using fiber technology to transmit data between radar center and t / r moudle. after studying the digtal t / r module technology over the world, this dissertation present a scheme of l band ( 1300mhz ) wide band ( b = 100mhz ) digital t / r module, and design a test board to verify transmitting technology of wide band digital t / r module, it works at l band. it use gigabit fiber components to transmit data between radar center and t / r module, use ddws and quadrature modulate technology to generate wide band radar transmitting signal, all control signal is generated by fpga
本文探討了寬帶數字t / r組件發射通道的關鍵技術，主要包括:數字t / r組件的體系結構、基於ddws技術的寬帶信號的產生以及數字t / r組件收發數據的光傳輸技術。本文在深入研究了國內外數字t / r組件技術的基礎上，提出了一種l波段（ 1300mhz ）寬帶（ b = 100mhz ）數字t / r組件的原理框圖，並且設計了試驗板來驗證寬帶數字t / r組件發射通道技術。該試驗板採用千兆比特光纖技術實現寬帶數字t / r組件與雷達主機的數據傳輸，採用ddws加正交調制技術產生寬帶雷達信號，採用一片fpga完成整個組件的控制。分享友人