片狀單晶 的英文怎麼說
中文拼音 [piānzhuàngdānjīng]
片狀單晶
英文
flat crystal-
The development of single chips and analyzers at home and that of overseas compared, a kind of pocketable dual - channel and multi - function signal analyzer, based on dsp, are researched with the functions of dynamic analyzer, data logging acquisitor, start - up / coast - down analyzer and dynamic balancer, etc. and the functions data acquisition, storage, display and analysis of vibration signal are validated in practice, high - speed float point data calculation ability, large memory space and simple operation are the characteristics
高性能單片機尤其是dsp功能晶元的採用及用戶技術要求的不斷提高，使得信號分析儀的功能越來越完善，在比較了國內外單片機和信號分析儀的發展現狀后，開發研製了一種基於浮點dsp晶元tms320c32的便攜式雙通道多功能信號分析儀，兼有動態信號分析儀、巡檢數采器、起停車分析儀、動平衡儀等多種儀器的功能。The morphology of the natural cryptomelane crystals via sem showed short prismatic, needle - like and fibrous shapes with the diameters varying from few nanometers to hundreds nanometres
軸延伸，直徑幾nm至幾百nm集合體規則排列呈片狀板狀或放射狀晶體結構屬于單斜晶系，具有沿When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt
上電復位后，晶元處于接收狀態，工作在突發模式下，採用dpsk調制方式，將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調，通過中斷將解調完的基帶信號送入單片機處理；處于發送狀態時，可將數據擴頻、調制，經ad9768送出。The result of transmission electron microscope ( tem ) showed that layers of layered silicates were exfoliated and dispersed in matrix homogeneously. according to statistical data, average thickness of layers was lonm, and the thickness of the biggest layers was less than 40nm, only a few layers were exfoliated in monolayer whose thickness was about inm
透射電子顯微鏡（ tem ）照片顯示：層狀硅酸鹽片層發生剝離，片層均勻分散在nbr基體中，統計表明片層的平均厚度約為10nm ，最大的聚集體的片層厚度達到40nm ，推斷有一小部分片層剝離成單晶層的形式，厚度為1nm 。The system is consist of the main data processing board which is based onthe fpga device and fast ethernet phyceiver rtl8201l and a - law pcm data encoder and decorder chip msm7702 - 3, and the dial - up and display board which is based on mcu. the main board would carry out the core task of data processing, such as voice data packing and unpacking, the ethernet frame processing, protocol processing, call processing, etc. the dial - up and display board would carry out the task of display the ip address which is input by consumer and status of network during talk period from the main board, and so on. in the paper the system of lan ip telephone and the tcp / ip protocol is introduced firstly, then the fpga device is stated. after that the fpga - based hardware scheme is introduced in detail in chapter four
系統以altera公司的acex1k系列的fpga和快速以太網控制器rtl8201l和語音編解碼晶元msm7702 - 3為核心構建了數據處理主板和以單片機為控制器的撥號顯示子板組成。數據處理主板的核心任務，包括語音數據處理、以太網幀處理、協議處理、呼叫處理等。撥號顯示子板則完成通話前的顯示用戶所撥過的ip地址，通話期間網路狀態的顯示等等。In addition, the growth temperature of films in high substrate temperature process is more similar to that of the single crystal growth in which the hexagonal system shows the sheet growth habit
高溫下的薄膜生長更接近於單晶的生長條件，六角晶系晶體的結晶習性是片狀生長，表現為片狀的單晶，這種習性受晶體自身結構特性的限制。Then, the optical system and mechnical configuration of the interferometer are realized, which are based on phase detection algorithms and four - step algorithm. in the following work, we designed and realized a dc high voltage amplification circuit by mcu, which is used to driver pzt, and presented a new method to measure the nonlinearity of pzt
設計並完成了精密移相的單片機控制用於壓電晶體驅動的高壓放大電路，並且提出了一種新穎的對工作狀態下壓電晶體非線性軟體校正的新方法，並得到了很好的實驗結果。The basic principle of natural gamma - ray log is stated, the developing background, developing ways and developing situation of natural gamma - ray tools are introduced. the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools, the researching work is started from three aspects, they are logging tool development, reliability design and reliability assuring methods, and the data processing methods, in the course of logging tool development, instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property, the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes. the detecto * design. the plateau property testing of the detector and the analysis of it ' s affecting factors are stated, the measuring property of the tool is discused, a new type of single chip microcomputer is selected when designing the interface circuit, and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit, the universal interface unit of sookbps telemetry system and also 500kbps telemetry system
本文首先概要介紹了石油測井的基本概念、方法、條件、最新進展、以及應採取的研發對策，論述了自然伽瑪測井的基本原理，介紹了自然伽瑪測井儀的發展背景、發展歷程和發展現狀，通過分析國內自然伽瑪測井儀的使用情況和存在的問題，提出了本文的研究任務。研製工作從測井儀研製、可靠性設計與可靠性保障技術、數據處理方法研究三個方面展開，在測井儀研製過程中，根據500kbps遙傳系統要求的配接性能和使用環境特徵，提出了主要儀器指標，並根據這些指標，設計了儀器模擬測量通道和實現這一配接性能的介面電路；論述了探測器的設計、坪特性影響因素分析及其測試，探討了儀器的測量性能；在設計介面電路時選用了新型單片機晶元，並與500kbps遙傳通用介面單元rtu 、 500kbpa遙傳系統實現了室內配接。The power supply module is made of sg3525a, which supply current for pipeline cp. the data collection module is made up of single chip, which collect the nature eroding voltage, protection voltage and current on the spot and transport these data to pc by com. pc constitutes master control module, which inspects work state of the whole cp system, control the system start and exit, display data out of the single chip
本系統採用sg3525a晶元構成開關電源模塊，提供管線陰極保護電流；採用單片機系統做為數據採集模塊，採集管線現場自然腐蝕電位、保護電位、保護電流等數據，並把採集的數據通過串列口送往pc機； pc機為主控模塊監控整個電源系統的工作狀態，控制整個模塊的投入和退出，完成人機對話；利用顯示器顯示系統輸出電壓、電流。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。In the relatively high dislocation density areas, dislocations form the relatively small cellular structure and there is few isolated dislocation within each cellular structure. here the profile of c concentration in the dimension of a cellular structure is " u " - shaped. the cell diameter increases as the dislocation density decreases, dislocations form the relatively large cellular structure and there are a few isolated dislocations within each cellular structure
發現晶片中位錯密度和分佈嚴重影響碳的微區分佈，高密度位錯區，位錯形成較小的胞狀結構，胞內無孤立位錯，碳在單個胞內呈u型分佈；較低密度位錯區，胞狀結構直徑較大，胞內存在孤立位錯，碳在單個胞內呈w型分佈。According to the requirement of innovation engineering in chinese academy of sciences, the work in this thesis focused on fabrication of soi material with epitaxial layer transfer of porous silicon and study of luminescence of modified porous silicon, and we obtained the following new results : the effect of doping and anodizing condition on the properties of porous silicon, including the microstructure, ciystallinity and surface morphology, has been studied systematically. it is found that the porous silicon and substrate have the same orientation and share a coherent boundary. but at the edge of pores, the lattice relaxes, which induces xrd peak moving of porous silicon
Soi技術和多孔硅納米發光技術研究是當今微電子與光電子研究領域的前沿課題，本文根據科學院創新工程研究工作的需要，開展了多孔硅外延層轉移eltran - soi新材料制備與改性多孔硅發光性能的研究，獲得的主要結果如下：系統研究了矽片摻雜濃度、摻雜類型和陽極氧化條件等因素對多孔硅結構、單晶性能和表面狀態的影響，發現多孔硅與襯底並不是嚴格的四方畸變，在多孔硅/硅襯底的界面上，多孔硅的晶格與襯底完全一致，但在孔的邊緣，多孔硅的晶格發生弛豫。While the mcus of fiscal cash register available on today ’ s market are mainly 8 or 16 - bit and don ’ t possess operating system, which result in the simple function, poor memory property and inconvenient manipulation etc. the aim of this project is the design of a novel kind of fiscal cash register based on 32 - bit arca2 cpu microprocessor of embedded system which match up to the national standard of tax revenue
但是，現在市場上的主流稅控收款機的處理器晶元多採用是8位或16位單片機，並且不採用操作系統，因此它的功能簡單、存儲能力弱，操作不方便等缺點。針對此現狀，我們設計和開發了一種基於32位arca2cpu微處理器的嵌入式系統的稅控收款機，以滿足目前市場的需要。A dual - serial - port single - chip with dual serial port is used as the main control chip on front terminal to collect the signals of elevator status, fault and field equipments, meanwhile communicates with the single - chip modem on front terminal in serial mode. it makes the front terminal communicate with the server through public telephone network, thus the functions of faults remote alarming, running status recording and server active calling is accomplished well
採用雙串口單片機作為電梯遠程監控系統前端機的主控晶元，對電梯運行狀態信號、故障信號和現場接入設備狀態信號進行採集，同時與集成在前端機上的單片式modem進行串列通訊，並通過公共電話網與服務器連接，實現電梯故障遠程報警、運行狀態信息記錄和服務器主動呼叫查詢等功能。分享友人