時鐘開關 的英文怎麼說
中文拼音 [shízhōngkāiguān]
時鐘開關
英文
clock switch-
Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac
在控制器的電路結構設計的基礎上，考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面，主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用，閥位變送功能的實現，固態交流開關和顯示器的選擇等。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。The automatic switch has light function ( delay time for three minutes ) : the light is opened automatically while opening the door, shut off the door taillight to go out automatically
動開關照明燈功能（延時三分鐘） ：開門時燈自動打開，關閉門后燈自動熄滅The software includes the program of communication with a stand - alone module, of the identification code returned from a stand - alone module, of opening / closing door, of display, of identification the key number, of reading / writing device by i2c bus. the main function of fingerprint menjin system used for the safe is to open door by fingerprint
軟體主要由與指紋識別模塊的通訊程序模塊、指紋識別模塊返回代碼識別程序模塊、開門模塊程序模塊、關門程序模塊、顯示程序模塊、鍵盤鍵號識別程序模塊、按i ~ 2c總線協議對時鐘晶元和串列e ~ 2prom的讀/寫程序模塊等模塊組成。Built in 25 min timer, can be disabled if not needed. pneumatic remote on off switch. separate 12 v signal light
內置25分鐘時計，氣動式遙控開關掣，分開安裝的12 v的訊號燈，可選擇內置數碼式控制器。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。Lcd display, it can display rpm / rcf, running or not, time, door opened / closed at the same time
設置簡單，可顯示：每分鐘轉速、運行狀態、時間、蓋子的開關狀態等。The vehicle video traveling data recorder based on arm is an intelligent device that can be used for monitoring and recording the situations during vehicle traveling. this device is a important improvement on the conventional devices of similarity which only record the basic vehicle traveling status such as speed, engine temperature, brake operation and so on. it is remarkable that this device offers video recording function that circularly record the environment inside and outside the vehicle for tens of minutes
基於arm的汽車視頻行駛記錄儀系統，除了按照國家有關標準，對汽車的行駛狀態的數據（速度、時間、以及各種控制的開關量）進行實時保存外，與同能產品相比，還更加註重視頻方面特有的功能優勢，通過軟體和硬體晶元協調工作實現了視頻圖像的壓縮和存儲，能夠循環存儲數十分鐘的視頻圖像。The thesis also designs the municipal electricity blackout and alarm circuit, the ac ( air condition ) switching control circuit, the watchdog circuit, the lcd display circuit, real - time clock circuit and the serial communication testing circuit
此外本文還設計了市電停電告警電路、空調開關控制電路、看門狗電路、 lcd顯示電路、實時時鐘電路和串口通訊測試電路。And the selection and design of switch - in module, switch - out module, communication module, clock module, data storage module, keys module and frequency detecting module are also discussed
論文中還給出了開關量輸入、開關量輸出、通信模塊、時鐘電路、數據存儲器、按鍵電路和頻率跟蹤電路等各功能模塊的選擇方法和設計原理。According to different function, the hardware part is divided into processor module, analog signals input and converting module, digital signals module, communication module, clock module and display module
按照功能的不同，硬體劃分成處理器系統模塊、模擬信號輸入和轉換模塊、開關量輸入輸出模塊、通信模塊、時鐘模塊、鍵盤顯示模塊、電源模塊。And the ways to optimize the circuit architecture, minimize the circuit nonidealities and improve the circuit performance are analyzed combined with the characteristics of the modulator architecture. based on it, the switched - capacitor integrator, class a amplifier, nonoverlap clock, voltage reference, comparator, feedback dac have been designed. in the end, the layout design is shown
調制器採用全差分開關電容電路實現，並根據系統結構特點就如何優化電路結構、克服電路中存在的非理想特性、提高電路性能作了具體分析，在此基礎上完成了開關電容積分器（開關、電容、運算放大器） 、參考電壓源、比較器、兩相非交疊時鐘、反饋dac等模塊的電路結構和參數設計。The switch power will operate at ccm condition when circuit is set to pwm mode. when pfm mode is selected for the operation mode, the switch power will still operate at pwm condition with the high load, the system will cancel the pwm mode and enter the pfm mode only when the load is drop to a certain threshold to boost the operation efficiency at light load, make the ic has high efficiency within wide load range
選擇pwm模式，開關電源將工作在ccm模式下;選擇pfm模式，在負載較高的情況下，開關電源仍然工作于pwm模式，只有當負載降低到一定程度時，開關電源才退出pwm模式，而按照pfm工作模式操作，跨過一部分時鐘周期，降低頻率相關功耗，以提高輕負載時低效率的問題，使得開關電源在很寬的負載范圍內都具有高效率。Timer, clocks having switching mechanism, short - time signalling devices for household electric ranges ; characteristics of performance, tests
家用電爐用定時器設有開關裝置的時鐘短暫信號顯Timer, clocks having switching mechanism, short - time signalling devices for household electric ranges ; characteristics of performance, definitions
家用電爐用定時器設有開關裝置的時鐘短暫信號顯Timer, clocks having switching mechanism, short - time signalling devices for household electric ranges ; characteristics of performance, requirements
家用電爐用定時器設有開關裝置的時鐘短暫信號顯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單片機構成的汽車行駛記錄儀系統的整體設計、單片機與存儲器的介面設計、單片機與實時時鐘的介面設計、速度傳感器設計、小型開關電源設計的基本工作原理，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計。Software framework is put forward based on the technical programming the cmos / real timer clock, adopting vtoolsd to programme vxd and real - time position control of servo electromotor is realized. so the key problem of developing nc in the windows is solved
該系統的軟體結構通過對系統cmos實時時鐘（ rtc ）編程實現高精度定時硬體中斷，利用vtoolsd編寫了虛擬設備驅動程序（ vxd ） ，實現了對伺服電機的實時位置控制，從而解決了在windows環境下開發數控系統的關鍵問題。After power switch opening, the clock displayer display asynchronous timing information, so synchronous indicating lamp glimmer, when equipment receiving above four effective satellite information and getting synchronous, which synchronous indicating lamp blank off
電源開關打開后，時鐘顯示器顯示未同步的時間信息，同步指示燈閃爍，裝置接受到四顆以上的有效衛星信息，並取得同步后，則同步指示燈熄滅。分享友人