feedforward 中文意思是什麼

feedforward 解釋
前饋的
  1. On the basis of the situation analysis for practical engineering application, it is put forward to add compensating measures in airspace circuit including instruction feedforward, target feedforward, carrier aircraft feedforward and radome refraction compensation to improve the airspace stabilization accuracy

    根據實際工程應用中的情況分析,為提高空域穩定精度,提出了在空域穩定迴路中加入補償措施,即指令前饋、目標前饋、載機前饋和天線罩折射補償。
  2. The system uses feedforward terms so we would expect to keep to a given closed loop gain ±10%.

    由於系統使用了前饋項,預期閉環增益保持在給定值的10之內。
  3. Simple conjugation - gradient bp algorithm for feedforward neural networks

    前饋神經網路的一種簡單共軛梯度學習演算法
  4. Based on weights analysis of feedforward neural networks, a hierarchic decomposition neural networks method for solving this problem is provided

    基於前饋神經網路的權重分析,提出一種基於神經網路的結構優化層次分解方法,較好地解決了這一問題。
  5. The other is an improved fuzzy neural network that is joined a compensative operation layer and adopts the improved center - or - gravity defuzzication in feedforward fuzzy neural network based on gaussian fuzzy logical system

    其二是改進的補償模糊神經網路。該網路在基於高斯模糊邏輯系統的前饋模糊神經網路中加入了補償運算層和採用了改進型中心反模糊化器。
  6. Finally, the friction model is applied after analyzing the mechanical structure of tracking system. the friction compensation had been obtained by differential feedforward applied to the output of position controller

    最後建立了低速跟蹤情況下的摩擦模型,並用微分前饋的方法實現摩擦補償,消除摩擦對跟蹤精度的影響,提高了跟蹤精度。
  7. As for single axis, pewin, the software given by the programmable multi - axis controller ( pmac ), is used to find the best parameters of the pid controller and feedforward compensation controller. then, the nonlinear friction in the system is compensated by the friction compensation controller with genetic algorithm ( ga ). the compensation controller can improve the system performance effectively

    對于單軸系統首先利用美國deltatau公司的可編程多軸控制器pmac自帶的控制軟體pewin進行pid參數的整定以及前饋補償環節的參數整定,然後分析系統存在的非線性摩擦力,利用遺傳演算法尋優摩擦力補償環節的參數,達到補償摩擦力的效果,有效地提高了系統的控制性能。
  8. In order to improve generalization capability of feedforward neural networks, the convinced networks generalization domain should be guaranteed to be close to networks input domain as maximal intrinsic error of networks output and maximal samples error are reduced by increasing hidden neurons in number in the progress of networks learning, otherwise generalization capability of feedforward neural networks is likely to be decreased

    為了提高網路的泛化性能,從理論上分析指出,在網路學習過程中通過增加隱含層神經元來降低網路最大固有誤差和最大樣本誤差的同時,要求確保網路泛化定義域盡可能接近網路輸入定義域,否則將有可能降低網路的泛化性能。
  9. Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design

    本文根據3gpp對wcdma發射機功率放大器的射頻指標要求,在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上,結合eda模擬工具,設計了基於自適應前饋的功放系統,並完成了系統的調試和測試。
  10. The article firstly introduces the linearization techniques : predistortion technique and technique feedforward. it analyses the concept and causes of the nonlinear distortion, and consequently introduces the principle and implement of predistortion and feedforward, and puts forward the innovative project of self - adaptable predistortion and feedforward

    分析研究了預失真技術和前饋技術的原理、性能及其實現方法,並在深入研究兩種技術的基礎上,提出了集合兩者優點於一體的自適應前饋預失真線性化系統方案。
  11. Control effect with high accuracy and stability on hydraulic shovel is achieved by feedback plus feedforward, nonlinear compensation, state feedback and gain scheduling on conditions

    通過採用反饋加前饋控制、非線性補償、狀態反饋和根據狀態對增益編排,獲得了對液壓正鏟挖掘機的高精度控制效果和高穩定性。
  12. Research on ultra - precision machine tools ' servo control technique based on disturbance feedforward compensation

    基於擾動前饋補償的超精密機床伺服控制技術研究
  13. Feedforward neural network based on bp algorithm constructs identification of plant and inverse controller

    我們採用基於bp演算法的前饋神經網路構造對象辨識器和逆控制器。
  14. The influence of swinging ship to los is analyzed in detail. the tracking precision of the shipborne tv tracker will be improved greatly when the feedforward signal otship swaying is measured by rate gyro

    本文詳細分析了艦船搖擺對視軸穩定的影響,通過理論推導和模擬分析論證了採用速率陀螺測量並前饋艦船搖速度信號將極大的提高艦載電視跟蹤儀的跟蹤精度。
  15. Adaptive feedforward linearization for rf power amplifier

    射頻功率放大器的自適應前饋線性化技術
  16. Feedforward linear power amplifier design for cdma2000 1x system

    系統正向前饋線性功率放大器設計
  17. 3. a rf pa linearziation system that combines rf predistorting technique and feedforward technique is present. contrasted with basic feedforward system, the main improvement of new system is the signal feature of error signal path

    由於在主功放和誤差功放前分別加上了射頻預失真單元,因此提高了整個系統的線性度和功率效率。
  18. A multiloop antenna pointing controller has been designed while three feedforward schemes are used in this control design. the simulation results show that the antenna pointing control system can improve the precision of the attitude angle and the attitude angle rate, and the antenna can slew to the neighborhood of tdrs fast, search and then track tdrs

    在設計好的天線跟蹤指向控制系統基礎上,採用前饋+反饋的復合控制策略設計了復合控制器,模擬結果表明設計的天線指向控制系統能夠較好的提高星體的姿態穩定度和控制精度,天線能夠快速回掃至中繼衛星附近並進行跟蹤,天線指向精度滿足設計要求,表明了所設計的天線指向控制系統的合理性和有效性。
  19. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同時診斷速度快,在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。
  20. Also it is discussed how to improve loading performance and the actual results using invariance theory. by the feedforward signals of velocity and acceleration, it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent. in this thesis, i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system

    本文的目的就是設計、調試帶有彈簧桿緩沖結構的單通道電液伺服加載臺,通過試驗比較、驗證不同控制演算法的工程實際效果;分析和研究應用結構不變性原理如何改善加載系統的動態性能,目的是通過引入速度和加速度的復合前饋信號將系統的動態頻帶提高到15hz左右,並且有效的抑制力加載系統固有的多餘力矩,抑制比要達到80以上。
分享友人