計時基片 的英文怎麼說

中文拼音 [shípiān]
計時基片 英文
timing chip
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 片構詞成分。
  • 計時 : reckon by time; timing; chronography
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和算,為更好地描述製冷系統運行的全過程奠定礎,同也為製冷系統實現自動控制提供一定的理論礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅管蒸發器動態特性模擬算程序,可以算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅管蒸發器在干、濕和霜工況下的動態模擬。
  2. At 2 pm, august 30 ( local time ), when i was viewing the photos taken by fmo project ( kitt peak observatory, us ), i spotted an fmo and report it at once

    30日下午2,站主在參與美國特峰天文臺的近地飛掠目標( fmo )搜索,在照中發現了一顆近地飛掠小行星。
  3. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨溫度的升高而增加,根據算結果得到了tioz薄膜在不同溫度下的折射率色散曲線。
  4. This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system

    本文分析了電視臺對于自動播出系統的需求,在課題研究中,通過在電視臺實地考察和通過各種途徑搜集資料,對電視臺的播控系統工作機制進行了系統的分析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同本文分析了整個視頻自動播出系統的播出部分的設過程,並在串口通訊理論,網路傳輸理論的礎上,設了一套於單機的小型系統,實現了遠程播控的功能,並為該系統設算機端的控制軟體。
  5. A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate

    本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷體和較薄的陶瓷膜構成,中間形成一空氣介質腔,在座和膜之間內置同軸的雙電極,組成兩個電容,當膜承受壓力發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。
  6. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼離散,並在空間上採用rwg函數,在間上採用三角型函數、利用阻抗元素的精確演算法算出阻抗矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的域積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  7. Part 1 : identification of a novel gene, tsarg2, and its sequence character cloning new apoptosis - related novel gene is a key to further understanding of apoptosis mechanism and the biological process of germ cell, and it is of momentous significance on clarifying physiology and pathology process of spermatogenesis. to rapidly attain human novel gene full - length cdna sequence, the gene - specific primers and the vector - specific primers have been designed for successful performing nested pcr and draft human genome searching to rapidly identify the tsarg2 ( genebank accession number ay040204 ) 5 " end from a human testis cdna library by using a cdna fragment ( genebank accession number be644542 ) as a electronic probe, which was significantly changed in cryptorchidism and represents a novel gene. furthermore, a mouse homologue of this gene was identified ( genebank accession number af395083 ) by lab on - line

    本研究分為三個部分,其主要實驗方法及實驗結果如下:第一章tsarg2因的克隆與序列分析從已獲得的在隱睪和正常睪丸對照中表達量有明顯差異的est段( be644542 )入手,設因特異性引物和載體特異性引物進行巢式pcr擴增,結合人類因組草圖搜索法,從睪丸cdna文庫中快速分離出人類睪丸凋亡相關因的5末端而獲得全長cdna , genbank登錄號為ay040204 ,同應用生物信息學的方法克隆了該因在小鼠中的同源因, genbank登錄號為af395083 。
  8. It is shown that our presented circuit model was correct. secondly, on the basis of analghng the fhahon of pcd reader of contactless ic card, the softwar flow chat of cothetless ic card controller based on chip - thoing algorithin and the hardwar circuit and anenna of the reader were designed

    第二,在分析非接觸ic卡讀寫器功能的礎上,設演算法的非接觸ic卡控制器軟體流程圖和讀寫器硬體電路以及非接觸ic卡讀卡器的天線。
  9. Based on the conclusion of organizing into trains and simulating the thoughts of dispatchers in district stations, this paper analyzes the features of time sets of shunting locomotives, constructs the reasonable graph model in the way of making out time sets, and converts it into the problem of graph coloring

    在車流推算的礎上,從應用算機模擬區段站調度員思維的角度出發,通過分析車列佔用調車機車區集合的特點,使用劃分的方法建立合適的調車機車安排的圖論模型,將調機運用問題轉化為頂點具有加權的圖的k -著色問題。
  10. On the basis of researching pid control and its self - tuning methods, fuzzy self - adaptive pid control methods, the transplantation and software development of embedded real - time operation system and other aspects, a temperature control system is designed and tested for the die bonder

    本文在研究pid控制及其自整定方法、模糊自適應pid控制方法、嵌入式實操作系統c os -的移植和軟體開發等方面的礎上,設了粘機的溫控系統。
  11. On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

    礎理論方面研究了激光(特別是超短脈沖激光)超聲的激勵機理,探討了激光調制技術以提高系統信噪比,闡述了泵束探針束技術及相關實驗設置;在系統設上,以激光超聲為本原理,以泵束探針束技術為系統設方案完成了mems厚度測量系統的設;在數據分析方法上,利用聲致光反射率變化的一般規律對測得的光反射率曲線進行分析,確定超聲回波在薄膜兩界面間來回傳播的間,以算薄膜的厚度。
  12. A coefficient of 0. 9 can be multiplied to ensure the safety of structures. by and large, the back covered porous brick wall with constructional column and gird beam has the same shearing strength under low circulated load as other porous brick wall, so the shear resistance and aseismatic capability can be calculated by the standard method. the experiment indicates that the back covered porous brick wall has good energy absorbing as well as deforming capability, and it can satisfy the requirement of aseismatic structures

    盲孔多孔磚砌體的通縫抗剪強度略低於規范算值,為保證結構安全,建議設乘以系數0 . 9 ;盲孔多孔磚墻在低周反復荷載作用下抗剪承載力與其它多孔磚墻本相當,可按規范方法算其抗震抗剪承載力;試驗證明帶構造柱及圈樑的盲孔多孔磚墻有較好的吸能、變形能力,可以滿足抗震結構的要求。
  13. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象,在詳細分析原設備的系統結構和功能實現方式的礎上,指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題,同結合系統的低功耗需求和優化人機介面設,本文提出於「單機+ cpld fpga體系結構」的集成化設方案:在cpld中實現信號音分頻和頻率生成電路、 20路用戶led狀態控制電路; cpld與單機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設於低功耗設的器件選型方案和單機待機模式設;人機介面的lcd菜單操作方式。
  14. Moreover, video control program to implement internal function of fpga is designed including video capture time sequence control, ping - pang frame buffer read and write time sequence control and lcd display time sequence control, and program ' s simulation and analysis is also provided. at last, this paper presents a portable iv ' s video processing system, and proposes three buffer strategy to control capture buffer. and a moving object detection algorithm of combing an adaptive background subtraction technique with a three - frame differencing is adopted

    於fpga系統結構的車載視頻顯示電路板;利用單機io口模擬i2c序,實現了視頻解碼晶元控制;利用fpga實現視頻控制,研究了採集通道序控制、雙幀存ram讀寫序控制及lcd顯示序控制的方法,並進行了軟體模擬和分析;設了車載視頻檢測系統方案,給出了管理採集緩沖區的三幀緩沖策略,採用綜合三幀差分和自適應背景相減的演算法實現運動檢測,連通體檢測去除虛目標,模擬實驗證明其有效性,同分析了該演算法在dsp視頻檢測系統中的簡單實現方法。
  15. To solve this problem, quick range measurement technology was researched based on the method of propagation delay and working principle of cpld. a time measurement circuit with an accuracy of ? 0. 2m was designed and accomplished. it could finish the whole measurement process in 80ns after the bounced pulse was received

    針對該問題,於傳遞延插入法和cpld的工作原理,對快速測距技術進行了研究,研製了一種能實現收到回波脈沖后80ns內完成測距,測距精度0 . 2m的電路,並將該電路集成於一可編程邏輯器件中,減小了電路面積和功耗,增強了抗干擾能力。
  16. This paper have discussed in detail the automtibile that becomes by pic single flat organization travel the basically working principle of recorder systematic overall design, the interface design of memory and single flat machine, the interface design of the single flat machine and clock of real time, speed sensor design and the small - sized switch design of power source, systematic hardware and software realization method, as well as software process and data form the design of the user interface stipulated

    本文詳細論述了由pic單機構成的汽車行駛記錄儀系統的整體設、單機與存儲器的介面設、單機與實鐘的介面設、速度傳感器設、小型開關電源設本工作原理,系統硬體及軟體實現方法,以及軟體流程、數據格式約定和用戶界面的設
  17. It shows that the longest band ( 675bp ) has lower homology with flower - timing genes, but there is 80 percentage of homology with pectinesterase during citrus development, in 184 score of hsp. it is clear to see a functional domain by modeling three - dimension structure of the protein

    結果發現分子量最大的段(長675bp )與成花因同源性較低,而與植物發育過程中的果膠酶因具有80同源性,而且局部段對比分值達184 ;通過蛋白質三維結構預測發現,它具有明顯的功能結構域。
  18. There is a pretty strict limit of reliability, cost, volume and energy - consuming. real - time embedded control system is applied for firm real - time and responding circumstance. aiming at direct current servo electromotor, a set of servo experiment system is designed, exploitation flow and process of real - time embedded control system are advanced, some issues of them are paid much more attention, the satisfied effects are obtained in the real circumstance, these issues include : exploitation of embedded system, analysis of superiority of the exploitation, the exploitation of embedded linux operation system from kernel customizing and file system cutting out to system starting up is researched, some factors which effect the system ' s capability are analyzed, the settled real - time schemes of linux os and the arithmetic of preemptive priority scheduling and round - robin scheduling and latest and rapid arithmetic are researched

    本文圍繞著針對直流伺服電機設一套伺服試驗系統,對于嵌入式實控制系統應用技術進行了比較全面的研究,提出了嵌入式實控制系統的開發流程和步驟,並對其中的一些問題進行了專門研究,在實物實驗中獲得了比較好的效果,這些問題包括:嵌入式操作系統開發,分析了使用linux操作系統進行嵌入式操作系統軟體開發的優越性,並且從內核定製、文件系統裁剪、系統啟動等幾個方面研究嵌入式linux操作系統的開發;實性研究,分析了在操作系統中影響系統實性能的因素,研究了linux操作系統的幾種實解決方案,並且研究了於優先級的可搶占式與可選擇的同優先級按輪轉相結合的調度演算法以及最遲響應與最快處理的可搶占式調度演算法。
  19. This dissertation delivers ecu hardware design scheme and discusses its feasibility ; designs ecu hardware circuit based on mcu, including ecu input and output signal processing channel, and the emigration of c / os embedded real time operating system on mcu lpc2292 ; designs fuel injection control project software procedure, and simulate it. it implements the open loop control of air fuel ratio under part of the motor working condition

    在充分進行可行性論證的礎上,完善了ecu的硬體設總體方案;設於單機的ecu硬體單元電路,包括ecu的輸入、輸出信號處理通道以及c / os嵌入式實操作系統在lpc2292單機上的移植;設了燃油噴射控制項目的軟體流程;最後通過模擬模擬,實現了發動機部分工況下的空燃比的開環控制目標。
  20. Based on the characteristic of missile - borne signal processing combining the technology of dsp and parallel processing, a hardware using three high performance dsp chips named ts203 and a fpga is designed. also the corresponding dsp code for the real - time processing of missile - borne sar is realized and the system request is satisfied

    根據彈載sar信號處理的特點,結合數字信號處理技術和并行處理技術,設於三adspts203和一fpga的成像處理系統,並採用dsp編程技術實現了彈載sar的實信號處理,滿足了系統要求。
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