back-loop 中文意思是什麼
back-loop
解釋
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Discussing these and kindred topics they made a beeline across the back of the customhouse and passed under the loop line bridge when a brazier of coke burning in front of a sentrybox, or something like one, attracted their rather lagging footsteps
他們扯著諸如此類的話題，抄近路打海關後面走過，並從環行線的陸橋下穿行。這時，崗亭或類似的所在前燃著一盆焦炭，把正拖著頗為沉重的腳步走著的他們吸引住了。 -
Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。 -
Back the front adjuster out in an increment you can feel when you push on the bike at a stop ( usually a half - turn or two clicks ), and ride another loop
停下來在你壓在車上時調低一點前減震阻尼（通常是半圈或2級） ，然後再騎一圈試試。 -
And i think it goes back to the man in the loop ， in terms of how people can then deal with what the technology potentially has the capability of doing
並且我認為，就人們怎樣才能找到那些潛在的技術具有做這些的能力而言，它又重新回到指揮與控制鏈中的人上來。 -
While tv signal is switched, scm outputs volume adiusting code with refference to default volume in a certain period to realize closed loop control of tv accompanyind sound, afterwards back to open loop control
當信號切換操作時，在一定時間內以默認音量值為參照，由單片機發出電視接收機音量調節編碼，實現電視伴音音量閉環調控，調控結束后恢復開環形式。 -
Think about it : when accessing data from a file, the programmer would have to code instructions to open the file, start a loop, read a record, check whether the empno field equals the proper value, check for end of file, go back to the beginning of the loop, and so on
想想看：當訪問文件中的數據時，程序員必須編碼指令來打開文件、開始一個循環、讀取記錄、檢查empno欄位是否等於適當的值、檢查文件結尾、回到循環的開頭等。 -
Could a hurricane stall over miami, slip back out to sea, then loop back into miami again
有沒有可能一個颶風拖過邁阿密，滑回海中，然後又掉頭回邁阿密？ -
Loop - back self - test mode
具有滯環自測模式 -
In the closed loop, the information is transmitted to dsp from mcu and compared to the feedback data. then, the result would be transmitted back to the mcu for adjusting the wfs, voltage and so on to the setting values
採用閉環控制系統，將這些參數與反饋的數據比較、計算后，再通過da輸出來調整和控制送絲速度，焊接電壓等，使其保持在設定值。 -
Back in loop change loop
后內單腳結環形 -
Back out loop
后外結環形 -
Back in loop
后內結環形 -
This thesis discusses some effective algorithms that appear recently in distribution power flow calculation at length, for instance, back / forward sweep method, zbus method, newton zbus method with modified method, loop - impendence equation method and so on. it gives basic calculation theories, calculation steps and some particular regarding issues of every algorithm, according to many examples validate the effect of algorithms and finally obtain the characters, rang of use, virtue and shortcoming of every algorithm
本論文詳細討論了近來出現的配電網路潮流計算的各種有效演算法，如前推回代法、 zbus法、牛頓zbus法及其改進、迴路阻抗法等，給出了各種演算法的計算基本原理，步驟以及應該注意的問題，並通過大量的算例進行驗證，從而通過比較得出各種演算法的特性、應用場合和優缺點。 -
The off - line program system based on cad / cam for dispensing robot is designed on the computer. in the module of trajectory planning, preliminary discussion is done about the shortest loop path and an algorithm of solving this problem is provided ; in the module of back procedure, dda ( digital differential analyzer ) is adopted in line, circle and ellipse interpolation. at last the protocol transferring program data to robot from off - line system is analyzed
在離線編程的系統的設計中，實現了cad的建模、點膠軌跡的程序示教、工藝參數編輯、軌跡規劃、後置處理等功能，並在規劃模塊中針對平面內不規則排列點進行點膠的軌跡規劃進行了初步探討，採用圖論的方法，給出滿足實際要求且演算法復雜度較小的最短閉合迴路的程序演算法;在離線編程系統的後置處理模塊中，介紹了直線、圓弧、橢圓弧的dda插補方法以及脈沖分配不均勻的改進方法;最後對通信協議的制定進行了分析。 -
Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings, position information was fed back by the optical encoders, the total closed - loop control system was constituted
伺服機構採用壓電超聲電機直接驅動由滾柱導軌支承的直線工作臺，通過高精度光柵尺構成全閉環反饋。 -
To guarantee the validity and speediness insimulation, the back - emf is generated using piecewise linear curves. in the double loop of control system, a pi controller is adopted in the speed loop and a hysteresis current controller is adopted in the current loop
為保證模擬快速性和有效性，模型採用分段線性法生成梯形波反電動勢，系統採用雙閉環控制:速度環採用pi控制，電流環採用滯環電流控制。 -
Then the thesis detailedly dissertates its research pivot : the software realization of sensorless commutation detection based on the method of back electromotive force ( bemf ) and open - loop commutation start - up
然後，詳細論述了本文的研究重點：基於反電動勢法的五位置傳感器換相檢測和開環換相起動的軟體實現。 -
The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back
勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。 -
This topic discusses the back - emf zero - crossing detection, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed - loop speed control strategy
詳細介紹了反電動勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。 -
In 3. 3 the theory of frequency stabilization was presented systematically in 3. 4 the pid technique in feed back loop is simply introduced experiment arrangement, and experiment results of less than 340khz frequency noise is presented in 3. 5
3 . 3系統介紹邊帶穩頻的理論。 3 . 4圍繞pid技術介紹對反饋信號的處理。 3 . 5介紹了實驗裝置和實驗過程，得到了優於340khz的頻率穩定性。
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