loop optimization 中文意思是什麼

loop optimization 解釋
迴圈最佳化
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  • optimization : n. 最佳化,最優化。
  1. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  2. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高
  3. 3. with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit, we have successfully enhanced sensitivity, expanded dynamic range, increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption. 4

    3 、對通信機的全面改進,包括lna結構的調整、鎖相環環路濾波器的優化、發射部分結構的調整以及中頻解調電路的相差調整,提高了系統的接收靈敏度、改善了本振的頻譜純度、減少了鎖相環的鎖定時間、使中頻解調后的信號質量大為提高,同時還減少了體積、節約了系統的功耗。
  4. This system can significantly simplify the tedious data in the lab and other control points, and thus greatly increase the production efficiency and decrease the amount of work by the workers. moreover, this system can also provide a flat for production technology optimization, helping the quality controllers to make quality control decisions. quality controllers can realize the closed loop quality adjustment and improve the production technology via the on - site equipment

    本系統不僅能顯著簡化浩繁的化驗室數據及其他控制點的數據,大大提高勞動生產率,降低工人勞動強度,而且能夠提供一個有效的生產工藝優化平臺,輔助企業質量管理人員完成質量控制決策,通過現場設備,實現質量閉環調控,優化生產工藝過程,最終達到保證水泥生產質量,提高企業經濟效益的目的。
  5. Abstract : this paper considers the decentralized stabilization problem via local state feedback control laws for a class of large - scale linear discrete - time systems with delay interconnections. a sufficient condition for decentralized stabilizability is derived and is expressed as a system of linear matrix inequalities. furthermore, the problem of designing a decentralized state feedback control law with smaller feedback gain parameters is formulated as a convex optimization problem, and latter can be solved by using existing efficient convex optimization techniques. the obtained controller enables the closed - loop systems to be not only stable, but also of any prescribed stability degree

    文摘:用一組線性矩陣不等式給出一類線性離散時滯大系統分散能鎮定的一個充分條件,進而,通過建立和求解一個凸優化問題,提出了具有較小反饋增益參數的分散穩定化狀態反饋控制律的設計方法.所得到的控制器不僅使得閉環系統是穩定的,而且還可以使得閉環系統狀態具有給定的衰減度
  6. When used in multidisciplinary environment, csso has several advantages over standard optimization method : reduction of the information transfer ; elimination of large iteration loop ; allowance of the use of corresponding subspace optimizers in different disciplinary analysis ; a parallel optimization architecture which is readily operable on a suite of heterogeneous equipments ; more natural fit to the current organization structure found in most institutes of aerospace and aeronautic design ; participation of the disciplinary experts to best deal with specific disciplinary models

    當應用於多學科設計環境時,并行子空間優化方法相對傳統優化方法有幾大優點:減少了學科間信息傳遞的數量;免去了大的迭代循環;允許在不同學科分析模塊中應用不同子空間優化器;可以在不同設備上并行運行;結構框架適用於傳統學科組織形式;允許各學科專家最大限度地參與學科分析和設計。
  7. Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization

    摘要在介紹和分析h (下標)迴路成形基本設計力法的基礎上,針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題,提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。
  8. Many optimization joints mid design methods which have been applied in actual engineerings are put forward, including the rc looped - beam joint, enforced - steel loop joint, joint between columns filled with steel tubes and rc beams, joint between columns filled with steel reinforced concrete and rc columns, joint between column filled with steel tube and composite beam, composite beam design method, prestressed laminated open - web truss mid so on

    其中,提出的較優化的鋼筋砼環梁節點、鋼加強環節點、鋼管砼柱與鋼筋砼柱節點、鋼骨砼柱與鋼筋砼梁節點、鋼骨磚柱與組合梁節點及組合梁設計方法、預應力疊層空腹桁架等,都已應用於實際高層建築中。
  9. Crosstalk profile ? using the measured near - end loop noise psd, an estimate can be made of the type and number of crosstalkers present. again, this is a multi - variate optimization problem

    串擾概圖使用已測的近端環路噪聲psd ,就可以估計當前串擾的類型和數量。這也是一個多變量的最優化問題。
  10. This new fuzzy optimization control method was applied to a superheated steam temperature control system, and simulation results verify the satisfactory closed - loop performance of the proposed fuzzy control system

    將這種新型模糊優化控制方法應用於過熱汽溫控制系統進行模擬,結果表明可以獲得非常滿意的閉環控制效果。
  11. Software pipelining ( swp ) is an effective technique for loop optimization

    軟體流水是開發循環指令級并行的重要編譯技術。
  12. The software designs of the electrical servo system are completed using position loop, speed loop and current loop adjustment after the hardware designs are presented in details. also the efficiency of traditional pid control in practical actuator control system is compared with that of proportional - fuzzy - pid control. at the end of the paper, all factors to affect system performance are analyzed, and optimization designs are presented

    其次論文在詳細介紹舵機控制系統的硬體設計基礎上,完成了系統軟體設計,並採用了位置環、轉速環和電流環的三環控制演算法實現了舵機位置伺服功能,對傳統pid和比例?模糊? pid控制演算法在舵機控制系統中的實際應用效果進行了比較分析。
  13. The key of the fsk design is the calculation, simulation and optimization of the charge pump pll chip, vco and loop filter

    Fsk電路關鍵是電荷泵pll晶元、 vco電路和環路濾波器的參數計算和模擬優化。
  14. Synthesis and optimization of loop in high - level synthesis

    高級綜合中循環的綜合方法研究
  15. Based on the built mathematic model for lunar robber a two - closed - loop tracking control strategy is proposed. this proposed strategy applies single neural sliding mode control method for nonhomonomic constraints, fuzzy control method for uncertain conditions and lagrange optimization calculation for the redundancy of the inputs

    考慮到系統模型中存在的非完整特性、參數不確定性和冗餘輸入,分別採用單神經元滑模變結構方法、模糊控制方法和拉格朗日極值法來設計控制器。
  16. Abstract : constant components and output opened ports in the result of high - level synthesis lead to explicit redundancy in gate - level technology mapping. explicit redundancy can not improve the performance, but increases power consumption, enlarges circuit area and decreases its testability, so it should be removed. this paper proposes a queue loop optimization algorithm to remove explicit redundancy completely which decreases the circuit area and improves the testability

    文摘:高級綜合結果中常量元件和輸出懸空埠導致門級工藝映射結果中存在顯式冗餘.顯式冗餘無助於提高電路性能,反而增加功耗,降低電路的可測試性,使電路面積增大,應予消除.文中提出了顯式冗餘的隊列循環優化演算法,完全消除了此類冗餘,從而有效地減少了生成電路的基片面積,提高了電路的可測試性
  17. In the thesis sga ' s theory has been analysed deeply, in order to get over the disadvantages of sga some mesures have been put forward to form a new theory mga, and apply it in the pi adjustor parameters " optimization of the single loop and series loop control system, the simulation results achieve good control effect. in addition, a software named control system adjustor parameters optimization ( csapo ) has been completed, which can universally be used to optimize the pi parameters in self - balance control system

    深刻剖析了基本遺傳演算法理論,對其存在的缺點提出了五種改進措施,新的改進遺傳演算法克服了其部分不足之處,並將新的改進遺傳演算法應用到單迴路和串級迴路兩種控制系統的pi調節器參數優化中,模擬結果取得令人滿意的控制效果。另外,完成了《控制系統調節器參數優化》 ( csapo )軟體,軟體具有一定的通用性,能對有自平衡對象系統進行pi參數優化
  18. The paper makes great efforts on the software optimization of evrc vocoder. based on the understanding of tms320c64xx cpu structure, we do deeply - optimization on the loop which appear usually in voice signal processing, and this improve the utility ratio of cpu and the parallelity degree of cpu function cell. at the same time, we utilize the bit - exact test to test the fixed - point evrc vocoder with the test vectors of tia / eia / is - 718, which improve the robustness of the vocoder

    本文圍繞定點evrc聲碼器的軟體優化,做了大量的工作,在充分理解tms320c64xxcpu結構的基礎上,針對語音信號處理中大量出現的循環運算進行了深度優化,大大提高了cpu的利用率以及cpu功能單元的并行程度,同時,我們還用tia / eia / is - 718的測試向量對定點evrc聲碼器進行了嚴格比特對準測試,提高了聲碼器的魯棒性。
  19. Provides local and global optimizations, automatic - register allocation, and loop optimization

    提供局部優化和全局優化、自動寄存器分配和循環優化。
  20. Based on the hydraulic calculation model of pipe networks, a mathematical model of loop optimization is developed, which can make the optimal regulation of pipe networks to satisfy the design discharge of chilled water for all users

    摘要本文在管網水力計算模型的基礎上,建立迴路優化的數學模型,可以對管網進行優化調節,以使所有用戶的水流量達到設計流量。
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