硬鍵 的英文怎麼說
中文拼音 [yìngjiàn]
硬鍵
英文
hardkey-
Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。When we designed the system, we considered some key factors such as the system must deal with and store a great deal video and audio data, the capability of the hard disk in the server and client, hi the part of video compression, we choose the currently mpeg - 4 video constringent card to complete the collecting and compression of the video and audio signals
在論文研究與實用系統設計中，充分關注到大量視音頻數據的處理、存儲以及服務器和遠程客戶端的硬盤容量等關鍵因素，視音頻壓縮採用了最新的mpeg - 4視音頻壓縮卡進行視音頻信息的採集和壓縮。This paper mainly introduces the key technology and the software and hardware system ' s design of numerical control workshop ' s dnc integrated control system
本文主要介紹了數控車間dnc集成控制系統的關鍵技術及軟、硬體系統設計。Key words : dural tear, degeneratie lumbar surgery, repair, reoperation, complication
關鍵詞：硬膜囊破裂，退變性腰椎手術，修補，再手術，並發癥。Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。The xylophone is similar to the glockenspiel in construction, except that the bars of xylophone are made of rosewood instead of steel
木琴也是具有明確音高的鍵盤式敲擊樂器，其不同長短的硬木片是用線安置於一個水平的木架上。Hip - sinter stove is one of the key equipments in the horniness - alloy ’ s manufacture
低壓真空燒結爐是硬質合金燒結的關鍵設備。After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band
接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控（ cck ）的原理的基礎上，本文提出並實現了一種峰值傳輸速率為11mbps的802 . 11bpcmcia高速無線網卡的硬體電路設計方案，在2 . 4ghz頻段該網卡可在14個工作通道上自動切換，實現高速突發數據的可靠傳輸。The system is formed with explosion - proof kinescope, explosion - proof braket, explosion - proof decode, matrix controller, keyboard controller, 232 to 485 switch, color kinescope, digital harddisk kinescope system, display, manostat, explosion - proof junction boxes and special cable
該系統由防爆攝像儀、防爆雲臺、防爆解碼器、矩陣控制器、鍵盤控制器、 232轉485轉換器、彩色攝像機、數字硬盤錄像系統、監視器、穩壓電源、防爆接線箱及專用電纜等組成。Abstract : starting from the crystal structural characteristics and through the theoretical calculation of the chemical bonds of diasporite and kaolinite structures and the study of the flotability of the flotation systems of anionic collector ( sodium oleate ) and cationic collector ( dodecylamine ), the relationship between the crystal structural characteristics and the flotability of diasporite and kaolinite and the main causes for the difference in their flotability are analysed by the crystal chemical theory of minerals
文摘:從一水硬鋁石和高嶺石的晶體結構特徵出發，通過對一水硬鋁石和高嶺石結構中化學鍵的理論計算及陰離子捕收劑（油酸鈉） 、陽離子捕收劑（十二胺）浮選體系中可浮性的研究，採用礦物晶體化學理論分析了礦物晶體結構特徵與可浮性之間的關系，以及產生一水硬鋁石和高嶺石可浮性差異的主要原因。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。According to this idea, this paper first introduces the basic technology to design the instrument. it includes the theory of the laser, measures to survey distance with laser, the theory of the step - motor, subsection technology of the step - motor, the working theory of the single - chip, expansion of the single - chip orderly. the following are the design of the control system of the planimeter according to the principle of the context. it consists of two parts
最後根據前文介紹的知識先對單片機控制系統進行了硬體電路框圖設計，依據夠用原則對元器件、設備的選擇進行計算、說明、選定，使系統成為擁有完整的包括a d採集、數據存儲器、 8155擴展的鍵盤顯示、 p1口及8155的pa口輸出控制的單片機硬體控制系統電路。Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time
基於ti公司的tms320f240控制晶元，介紹了對稱空間電壓矢量硬體設計和軟體設計，採用tms320f240設計了一款用於電機變頻調速的數字控制器，該控制器上設計有鍵盤和led顯示，可以設定和動態顯示電機運行頻率。The third part studies the actual questions of our e - government, and thinks there are 5 aspects of problem in the area : the people ' s ideas is the key to the problem, which is the largest resistance to build the e - government ; the old administrative system ca n ' t adapt the e - government ; it ' s serious to the " digital gap " question ; the information professional is scarce in the government ; the related laws and rules, especially the open information systems are imperfect, in face of the five problems, i bring forward the six countermeasures : the government should strengthen to educate the government employee on the related knowledge ; strongly push on reinventing government ; the " e - government " should be strugglingly developed ; resolve the " digital gap " question ; establish and perfect the correlative laws and rules ; try hard to settle the question of net safety
在論文的第三部分，我著重對我國電子政府目前的問題進行了提煉、分析，認為存在著五大方面，分別是：關鍵是人的思想觀念跟不上，成為電子政府建設的最大阻力；原有的行政體制不適應電子政府的發展； 「數學鴻溝（ digitalgap ） 」問題嚴重；信息人才短缺；相關法律法規不完善、信息公開的制度保證不足。針對這五個方面，我提出了六點解決對策，分別是：大力加強對公務員的培訓和教育；強力推進政府再造：電子政務要大力發展；解決數字鴻溝問題，加大「兩軟一硬」投入；建立健全相關的法律、法規；努力解決好網路安全問題。It emphasizes on the analyse of using syntony demodulation technology to final the long - distance coming train. at the same time, it gives a preliminary analyse in the signal for different cases, takes a research on the identified technology for the coming train, designs and assembles the hardware and software of this system. all of them have got past the test on the spot and got a satisfying result
課題中的關鍵是如何得到列車運行信號的特徵規律，在本文中對這些列車接近信號的一些分析方法作了介紹，著重分析了採用共振解調技術發現遠程來車的信號，同時針對不同情況下的信號進行了初步分析，研究了來車的識別技術，並對系統的軟硬體進行了設計和組裝，通過了現場試驗，得到了令人滿意的結果Therefore, it is necessary for modern enterprises to supply reliable and real - time information and services by utilizing computer systems, more and more departments especially those pivotal departments have been unprecedentedly relied on computer systems, however, it is unavoidable for the hardware and software of a computer to have a breakdown, which may certainly results in unmeasured losses
對現代企業來說，利用計算機系統來提供及時可靠的信息和服務是必不可少的，越來越多的行業、部門，尤其是關鍵部門，對計算機系統呈現出前所未有的依賴性。但是計算機的硬體和軟體都不可避免地會發生故障，會帶來無可估量的損失。The short time it took to produce its first 4 - inch ingot is not only a testimony to the competency of tera xtal s engineering team, but also represent a step forward towards change in the japanese and american domination of the crystal growth industry
有別於半導體用的矽晶，鉭酸鋰屬于硬脆的氧化物材料，融點高達1650 ；長晶的生產難度相當高，其關鍵在於人才、技術與經驗的長期培養。There is more and more evidence that hemodynamic factors play an important role in the development of the arterial atherogenesis, but even up to now, the specific role of the hemodynamic factors is not well understood yet, therefore further research work of revealing the biomechanical mechanism of atherosclerosis is helpful and necessary to learn its pathology and occurrence, which is very important in biofluid dynamics and is closely related to the development of the biofluid dynamics in theory and numerical simulation, the investigation of coronary circulation rules of human cardiovascular system and the further study of occurrence mechanism of cardiovascular diseases, so is of great significance in both scientific research work and realistic application
越來越多的研究證據表明，血流動力學因素在動脈粥樣硬化的發生和發展過程中起著關鍵的作用。但時至今日血流動力學因素確切的作用還需要進一步了解，因此更深入地研究動脈粥樣硬化的生物力學機理對于掌握動脈粥樣硬化的病理和發病規律有著巨大的研究價值。近年來，隨著人們生活水平的不斷提高和生活結構的逐步改變，心血管病的發病率也在不斷增加，並已經成為危害人類生命健康最為嚴重的疾病之一，其患病率和死亡率居各類疾病之首，因而成為發達國家和發展中國家的頭號殺手。According to different backing materials, we can choose the suitable grain size to sanding - blast treating and shape hard chromium plating that isn ' t shaping after being plated, which is the key to solve hard chromium plating like pear ' s skin
根據不同的基材選擇合適的砂型進行噴砂處理和鍍后沒有修飾的一次電鍍硬鉻成型工藝是解決電鍍梨底硬鉻的關鍵所在。分享友人