自反饋電路 的英文怎麼說
中文拼音 [zìfǎnkuìdiànlù]
自反饋電路
英文
self-feedback ciucuit- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 饋 : 動詞(饋贈) make a present of
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
-
Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning
與原有的兩次采樣a / d轉換器相比,用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器,具有集成度高、準確度高、適用性強、價格低等優點,可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。The machine ' s parameters are established according to the doctor ' s request. on the foundation of analyzing traditional washing stomach machine defects, the electric circuit of the design is improved. it realizes to judgment, analyse and handle collected signal in the pc board
該洗胃機是根據我院醫務人員對洗胃機提出的要求,分析了傳統洗胃機、國內洗胃機缺陷基礎上,設計了相應的信號處理電路,在單片機上實現採集信號的判斷、分析和處理,污水管堵塞自動處理,反饋控制水流沖洗來達到安全、方便、準確、智能的目的。Three layer architecture client / web / server of computer wide area network was adopted in this system, applying internet technique, using java language and informix database, the automation during the whole process of transmission circuit dispatching was realized, including application, approval, dispatching feedback, manual operation process was reduced, meantime convenient and rapid inquire method was provided, the work efficiency and data accuracy were increased
本課題採用client web server計算機廣域網的三層體系結構,運用internert技術,使用java語言和informix數據庫,實現了對傳輸電路調度的過程中申請、批復、派發、反饋全過程的自動化,減少了人工操作的環節,同時提供了方便、快捷的查詢手段,提高了工作效率和數據的準確性。Basde on further, analysis of formula d = 1 - af, this paper points out the conflict when using instantaneous limit and jadging positire and negative feedbavk byusing the depth of peedbavk, range of middle freguency of pnegative feedback amp circuit can also appear self - conflitct
摘要通過對公式d = 1 - af的進一步分析,指出用瞬時極性法與用反饋深度判定正負反饋時所出現的矛盾,說明負反饋放大電路的中頻段也會出現自激的情況。The main performances of the afm were in the advanced level around the world. the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path, a regulating block of the setpoint of imaging force, the xy scanner and z feedback controller, the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip. the powerful circuits of preamplifier, as well as the circuits of xy scanner and z feedback controller were developed
成功研製了臥式afm探頭,包括特有的微懸臂偏轉量的臥式光電檢測系統、 afm成像工作點(即原子力的預設置點)的調節機構、 jy }藝掃描與反饋控制器、樣品的粗調與微調機構;自行研製了高性能的psd前置放大電路、 xy掃描控制電路和z向pid反饋控制電路系統;設計了a / d & d / a控制介面,獨立開發了性能完善的afm掃描與控制軟體系統及功能強大的圖像處理軟體系統。Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control
通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。A range automatic transfer is designed for the preamplification system with resistance feedback
前置放大電路設計了量程自動切換的電阻反饋式兩級放大。This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful
本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大,工作頻帶寬,帶內增益波動小,線性度高,所以其終合設計難度大。鑒于這個原因,在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術;在實踐中精心設計電路,並且配合eda軟體模擬,最終達到所要求的指標。2. as for the intermediate frequency part in integrated circuits ( ic ' s ), we introduce feedback automatic gain control ( agc ) loop in view of its fargoing dynamic range and convenient precision adjustment, hence stable power of fore - demodulator signal and maximum systematic gain are ensured
2 、中頻部分採用集成電路的反饋式自動增益放大環路,動態控制范圍大,控制精度調節簡便,是系統增益的最大來源,同時也保證了中頻解調器前信號的功率穩定。By using a new optical input power level detection and signal treatment method to control the gain of the receiver and keep its output level within the required range, a novel feedforward agc optical receiver without radio frequency feedback circuits is realized
我們採用一種入射光功率電平檢測與處理的新方法,對模擬光接收機的增益進行控制,將接收機輸出電平控制在要求的范圍內,實現了一種新型的無射頻反饋電路的自動增益控制光接收機。分享友人