直線源系統 的英文怎麼說
中文拼音 [zhíxiànyuánxìtǒng]
直線源系統
英文
line source system- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840
針對當前我國煤礦電鉆電源的使用現狀,提出研製dc - ac變換的電鉆電源系統,該電源系統直接利用spwm變頻控制技術,將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory
該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量軌道做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在測量軌道上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿測量技術,得到傳感器坐標系相對于測量軌道坐標系的位姿關系,從而間接描述機器人的直線軌跡特性。The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics
汝us價ay1830 )各12個個體進行rapd分析,對比多態位點比例、遺傳多態度以及遺傳距離,並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因,純化后直接測序,利用生物信息學方法進行序列分析和核昔酸變異比較,結合ge紅bar止中大西洋叉尾帶魚( lepid (護腳caud玫tuseuphrasen1788 )同源序列構建u甲cm叭系統樹。Taking example for the outside - diameter measurement of the spindle, method of how to use the traditional air - gap inductance - type transducer to realize the on - line measuring system on the nc grinding machine is introduced in this article
本課題來源於安徽省「十五」攻關項目「數控機床在線檢測系統的研究」 ,以軸類零件的直徑測量為例,在現有的氣隙式電感傳感器基礎上完成數控磨床高精度外徑在線檢測系統的研究。Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices
在通常情況下,高功率微波源器件都工作在大電流和強場工作狀態,尤其在場達到飽和以後,系統的非線性效應將變得非常明顯,非線性系統所特有的一些現象(如,極限環型振蕩和混沌行為)將出現,這些非線性現象直接影響器件的各種輸出特性。The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus
衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直流電機,通過電流環、速度環達到快速、精確跟蹤驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel
作者獨立完成的工作包括: 1 、提出了曲面測量的光學系統的整體方案; 2 、提出了四種激光擴束的方案,用光學設計軟體zemax完成了其中三種的設計;經過像差分析和追跡,達到了準直擴束的要求; 3 、點光源到線光源的單方向擴展,達到了覆蓋輪緣踏面的要求; 4 、通過實驗採集圖像和圖像處理,提取出被測輪緣的輪廓。To strengthen basins, non - point source pollution control, put the control into practice, build monitoring system online for pollution source, construct pollution treatment project, carry out research on oxygenation and direct - cleaning in lake or river, set up three gorges reservoir water pollution control laws and region regulations, deal with properly the ex - development between resource exploitation and environment prevention, and walk on the sustainable development road are important measures
針對已發生和潛在的水環境污染問題,提出了加強流域非點源污染的管理、實施總量控制、建立污染源在線監測系統、立項建設污染治理工程、開展河湖水域接觸氧化直接凈化技術的科研和實踐、制定《三峽庫區水污染防治法》地方法規、正確處理資源開發與環境保護協調發展的關系、走可持續發展道路等多項防治對策與建議。We are quipped with all kind of advanced equipments, which include water heating unit ; water de - ionizer ; filtration, cooling, liquid circulation systems ; advanced paint heat cure ovens, etc
有熱水裝置,去離子水發生器,超濾裝置,冷卻裝置,直流電源,各種液體循環系統,漆膜固化烘道等輔助設備,為生產線提供工藝配套。整體設備復雜、技術含量高,工藝先進。The development of dc control power system described in this paper is oriented to the baoji - chengdu electric railway - engineering project. a dc control power system, which is based on plc, hf switch rectifier and valve control seal battery is described in the paper
本文結合寶成復線電氣化工程,針對牽引變電所直流控制電源系統設計,闡述了一個基於plc控制器、高頻開關整流裝置和閥控式密封鉛酸蓄電池的直流屏的設計和產品研製。Main products include : adjacent channel head - end equipment, two / single - way cable transmission amplifier series equipments, two / single - way optical fiber transmission series equipment, controlling software of catv subscriber addressing management system, two - way hfc network passive equipment and hfc network, and telecommunication workstation series product
主要產品有:智能化前端設備、雙(單)向電纜傳輸放大器系列設備、雙(單)向光纖傳輸系列設備、有線電視網路管理及用戶管理系統設備和雙向hfc網路無源器材及相關的系列專業軟體、服務軟體、通信直放站等系列產品。The concept and design especially block design of a signaling system directly affects both performance and safety of operation in a rapid transit system. the signaling system adopted by the taipei mrt is of a fixed blocking system design, which is also used in many other countries ; however, different system providers have their own design concepts, and incompatibility is a common problem which places restrictions on the expansion and updating of future lines. therefore, if a brand - new, standardized, more advanced design and or product is to be introduced to upgrade or expand the existing taipei mrt system, compatibility between the existing system and the new system is one of the most important issues
三、供電系統為捷運系統動力之來源,其可靠度直接影響系統之營運之可用度,為確保系統之可靠度,各線皆有獨立之電力系統,自成一自己自足之供電網路,由於變電站之投資成本昂貴,且涉及用地取得之問題,及民眾對變電站設置之排斥,皆是未來系統興建必須考量的課題;有鑒於此,在不降低整體路網運轉性能及可靠度需求之下,于未來系統擴建時如何充分利用現有變電站之資源,透過電力調度之方式,進行電力系統之擴建與整合,亦是值得探討的課題,其中包括既有機土介面配合調整可行性如何?On data transmission it use the streaming media technology and it make fluent playing in the net. on synchronize playing of multimedia it use smil language and it make the exact synchronization and automatic change media files in line with users " band. on the integration with the distributed resource web it use web service technology and make it can make seamless integration. it is more straight because of the incorpation of time thread and page
《 k12非編多媒體課程製作系統》在數據交換上採用了「國際語言」 xml ,這使該製作系統能更好地與其它系統交換數據;在數據傳輸上採用了流媒體技術,這使製作的多媒體課程在網路上的播放更加流暢;在多種媒體的同步播放上採用了smil語言,這使多種媒體在網路上播放時能準確同步,並能自動根據用戶帶寬選擇媒體文件;在與分散式資源庫的整合上採用了webservice技術,這使該製作系統很方便地實現了與分散式資源庫的整合;由於採用時間線與頁相結合的方式,亦使系統製作更加直觀。A circuit is designed to define the odd and even line to meet the layout ' s simplification requirement. to make full use of the system resource, an auto - test circuit is designed with test vector can be given through the internal bus and result vector can be detect by system
為了充分利用了嵌入式晶元豐富的系統資源,設計了簡單實用的自測試電路,其測試向量和結果向量都可以通過總線被系統直接讀取,系統執行相應的指令就可以完成相應的自測試過程。Many practical factors, such as effects of line fuses protection, disconnected switches, scheduled maintenance, spare electrical source, spare transformers in distribution system, are considered in the assessment arithmetic. in the assessment, it is more practical that low - voltage power system is equivalent to an element on the lateral section of mid - voltage system. especially, the minimal cut - sets are divided into direct cuts and indirect cuts, which makes the effects of elements in cuts on system more legible and exact
演算法考慮了分支線熔斷器保護、隔離開關、計劃檢修、備用電源、有無備用變壓器的影響,將低壓系統等效為中壓系統分支饋線上的一個等效元件進行評估,使得該方法更符合實際,特別是,將最小割集分為直接割集和間接割集,使割集元件的影響更加清晰準確,並以c + +語言編制了計算軟體。As for high - energy linear induction accelerator, miniaturizing pulse - forming line ( pfl ) is helpful to minify the size of the massive pulsed power system. at the same time, wealth and space could be economized
同時脈沖形成線小型化對於一臺大型直線感應加速器來說,不僅有利於減小其龐大的脈沖功率系統,而且節省了大量的財力資源和空間體積。Abstract : a new non - contact measurement system of the ammunition energy is discussed, which can be used to measure the performance parameters of all kinds of ammunition chemical battery in non - contact means. as infra - red optical medium is applied to send signals in this system, the problems in the traditional measuring such as low - precision measurement, existing of the ac - dc boundary and the multi - factors arising thereform are overcome, and the noncontact measurement precision of the ammunition energy performance parameters is improved
文摘:論述一種彈載能源非接觸測量系統,適用於各型彈載化學電池性能參數的非接觸測量,該系統採用紅外光介質從電磁場中傳遞信號,克服了傳統測量方法精度低和「交直流界線」及其導致的「多系數」等問題,大大提高了彈載能源性能參數非接觸測量的準確度。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。The power of this monitoring device is made up of novel switch voltage regulation circuit and linear voltage regulation circuit, the electricity of which is directly supplied by high voltage line
監測系統採用新穎的開關穩壓和線性穩壓二級穩壓結構電源,直接由高壓線負載電流供電。According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability
針對被動反饋線圈電磁暫態過程的復雜性,給出了求解線圈等效時間常數和電氣參數的方法,這些參數不僅對裝置的設計和電源系統的設計是重要的,而且為控制等離子體垂直位移不穩定性的實驗提供了依據。分享友人