數字反饋 的英文怎麼說
中文拼音 [shǔzìfǎnkuì]
數字反饋
英文
digital feedback- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 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
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
-
The control system cpu process remote control for the equipments mentioned above through prodibus - dp, receiving operation and handclap status which feed back by control equipment, using the style of control word in the data format
通過profibus ? dp總線,控制系統cpu對上述控制裝置進行遠程控制,並接收控制裝置反饋的運行狀態和故障狀態,數據格式採用控制字方式。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 design is to simulate the process of human. it can adjust the parameters of illation machine ; adopt different recognition strategies according to different states and circumstances with which the recognition object deals. at the same time, it should consider each recognition performance aim
該識別器的設計是模仿人識別字元的行為過程,它可以根據識別對象所處的不同狀態和不同環境,調整推理機的參數和採用不同的識別策略以及選擇不同的反饋結構。Jhs - m shift frequency feedback controller is made of digital shift frequency and four sect parameter balance with two routes balance and no balance input end
Ds - m數字移頻反饋控制器:海之升數字移頻反饋控制器性能簡介The circuit receives feedback signal of encoder, disposes it by pid and in the form of digit sends control signal which is transformed by d / a into analogue signal to servo amplifier, so further to control motors
電路板接收碼盤反饋信號,通過內嵌的pid演算法,以數字形式給出控制量,經過d a轉化為模擬控制信號給伺服放大器,進而控制電機運行。The full - bridge converter was controlled with the pid strategy based on the feedback of voltage output
電源的全橋功率變換器採用基於電壓瞬時值反饋的數字pid控制。In the digital control system, we adopted a new method of svpwm control via six discrete signals from the hall sensor and the digital pid control. the theories and application about the two methods are also introduced
採用了一種基於霍爾元件六個離散位置反饋信號的svpwm控制方法和數字pid控制方法,並對它們的原理及應用方法作了詳細的介紹。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。Redundant detecting method of feedback signal in hoist digital control system
提升機數字控制系統反饋信號冗餘檢測演算法Type in a few instructions on the teletype machine and a few seconds later the dp would type back its response
在電傳打字機上鍵入幾條指令,幾秒鐘后程序數據處理機即會反饋回信息。Type in a few instructions on the teletype machine and a few seconds later the pdp would type back its response
在電傳打字機上鍵入幾條指令,幾秒鐘后程序數據處理機即會反饋回信息。( 4 ) to record the running situation. and this software was developed by c + + under microsoft vc + + 6. 0 and is composed of 5 modules : the initial module to finish the video card and i / o card initializations ; the start - stop module to create and destroy the thread used to supervise light room and process image ; the image - capturing module to capture the image from ccd to ram ; the image processing module to get classified information through analysis ; the signal i / o module to send the signals to the outside and also to send outer information to the inside ; the system log module to record the running situation of the system and the quantity of detected eggs
系統由5個模塊組成:初始化模塊完成圖像採集卡和數字量i o卡的初始化;啟動停止模塊建立和消亡用於監控光室狀況和進行圖像處理與分析的線程;圖像採集模塊將光室中所成的像通過ccd經由圖像採集卡採集到主機內存中;圖像處理模塊對主機內存2001碩士論文摘要中的圖像進行分析,得出所需要的分級信息;信號1 / 0模塊將得出的分級信號送出至計算機外部,同時也將計算機外部的控制反饋信息傳至計算機內部;系統日誌模塊記錄系統的啟動運行情況和當前系統檢測鴨蛋的數量。Firstly introduces the requirement of networked manufacturing, and then illustrates the key technology of manufacturing execution system supporting networked manufacturing, such as distributed numeric control, tools engraving and identifying technology, and plan scheduling and dispatching in terms of information feedback
摘要介紹了網路化製造對製造執行系統的需求,介紹了網路化製造環境下製造執行系統的關鍵技術:分散式數字控制技術、工裝標刻及自動識別技術以及基於信息反饋的計劃調度等。Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily
摘要利用數字控制技術對傳統晶閘管焊接電源進行改進,根據雙反星型晶閘管整流電路的特點,採用單片機進行精確設定,設計了高可靠性觸發迴路,結合電壓反饋進行程序運算控制,實現了主電路輸出電壓的精確調整和可靠運行。Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts
從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。Digital feedback twice sampling a / d converter is based on common accurate dual integral a / d converter. during the second sampling, through the control logic, programmable counters and switch control, realize digital feedback and substitute primary analogue feedback realized by high accuracy d / a converter
在第二次采樣中,通過控制邏輯、可編程計數器和開關控制來實現數字反饋,以取代原有的兩次采樣a / d轉換器中通過高準確度d / a轉換器所實現的模擬反饋。Digital feedback system
數字反饋系統Digital feedback suppression
數字反饋抑制This paper introduced the principle of digital feedback twice sampling a / d converter in detail, and analyzed its error deeply
本論文詳細介紹了數字反饋式兩次采樣a / d轉換器的原理,並且對這種新穎的原理進行深入細致的誤差分析。In the aspect of multiple high accuracy a / d converter, a new type twice sampling a / d converter with digital feedback is talent showing itself
在復合式高準確度a / d轉換器方面,一種新型的、採用數字反饋的兩次采樣a / d轉換器脫穎而出。分享友人