擾模器 的英文怎麼說
中文拼音 [rǎomóqì]
擾模器
英文
ms mode scrambler-
Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。On the basis of introducing the principle of the tf / ar radar, this paper analyzes the conditions of effectively jamming the tf / ar radar in typical tactical act of hedgehopping, which include the disposition and quantity of electron reconnaissance / jammer, calculates the capability request of equipments in the method of sensor / hand - emplaced jammer, and concludes that it is difficult to jam tf / ar radar at the present time
摘要在介紹地形跟隨迴避雷達工作原理的基礎上,通過設定典型超低空突防飛機的戰術行動,分析了對雷達實施有效干擾所必須具備的條件,包括偵察干擾機的部署、數量要求等;並計算了在傳感器擺放(投擲)式干擾機模式下對裝備的性能要求,得出了在目前技術條件下,對地形跟隨迴避雷達實施干擾在技術和戰術上都是困難的。The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation
利用建立的rogowski線圈的數學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。Robots. var iabl e st ruc t ure cont rol can adapt ively ( leal i th the uncertaint i es of system pal - tljllot e1 ' s and i tlt el - 1 ' eres f1 - om ol ] " l s i ( le
滑模變結構控制器對系統本身的時變性和系統外部的擾動有完全的自律性,但滑模控制也有些不足,主要是顫振的存在,從而影響了系統的穩態性能。Through an application of the improved nonlinear vks model based on complex modulus, for the cases of general connections and inter - blade connections for the nonlinear elastomeric lag dampers, the small disturbance momental equation is given
採用基於復模量的非線性vks改進模型,建立葉間粘彈減擺器和普通連接粘彈減擺器的小擾動力矩方程。The strategy included the principle and selects of dcs controlling system project, force analysis and calculation of the pectination slides, the design of hard ware and software, anti - interference design of hard ware and software, selects of plc and transformer, and system control design of intellectual simulative modulated plate, etc. and also analyzed the extension and reliability and economic ability of the pectination slides synchronism controlling system
包括該同步控制系統控制方案的選取、控制系統的原理、梳式滑道絞車的受力分析和計算、同步控制系統的plc設備和程式控制系統傳感器等硬體的選型、程式控制系統的硬軟體設計,程式控制系統的軟體抗干擾設計和智能調度模擬控制系統設計等。並對整個系統的擴展及系統可靠性和經濟性進行了分析。Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently
與現有的同類型儀器相比,該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾;採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率;用低強度的激光避免了對樣品的輻射損傷,同時可以使激光器和系統集成在一起,整個系統小型實用。Study of ir imaging target simulator based on zoom system
干擾模擬器的實施方案The simulator, which is functioned for training of electronic countermeasure, can hold a suppositional war field for the training of anti - air gun fire control radar
該模擬器解決了雷達目標的實時生成、控制、搜索和顯示等關鍵問題,新增了電子干擾與反干擾的訓練內容,完整實現了戰場環境下的炮瞄雷達攻防對抗訓練。The eso compensated by model provides the estimate of the unmeasured system ' s state and the real time action of the unknown disturbances, then improves the performance of the system
具有模型補償功能的擴張狀態觀測器可以獲得系統的狀態估計和未知外擾的實時作用量,使系統性能得到有效補償。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。The heat coefficient changing of the heater and reheat ; c. the leakage test of the working substance ; d. the damage test for the heat pipes of the radiator, were taken
分析了穩態參數,完成了:吸熱器熱負荷擾動試驗、吸熱器及回熱器換熱系數變化試驗、工質泄漏試驗、輻射器熱管損壞試驗等多個模擬實驗。At present, most of the domestic simulation systems designed with analogy circuits, are easy to run out and affected by the ambient temperature with their complex structure and poor ability to withstand disturb
目前,國內現有的原動機模擬系統,大多採用模擬電路,存在結構復雜、電子元器件容易老化、易受環境溫度影響、抗干擾能力差等缺點。Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace
通過對pid 、模糊、單神經元等控制策略的分析比較,將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合,改進了單神經元控制器演算法,可以有效抑制擾動,減少斷弧、短路等現象的發生,使系統的控制效果和魯棒性都得到增強,對電弧爐控制系統的設計也具有一定的應用參考價值。In the paper, with system energy balance method and heat conductive equations , on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %
本文採用系統能量平衡結合熱傳導方程,在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型,並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析,得出模擬溫度場,其模擬值與實測的均值基本相符,兩者最大誤差小於5 . 13 % ,表明該模型具有一定的合理性和實用意義。Simulation of pulsed - laser jamming to the infrared detector
紅外探測器脈沖激光干擾模擬Before h wave filter is designed, the control system model must be known, so the mathematics model of the ship motion and the wave disturbance are introduced. 3
在應用h _濾波技術設計海浪濾波器時,必須首先知道被控對象的數學模型,因此在設計h _海浪濾波器之前,我們簡單的介紹了設計時需要用到的船舶運動數學模型和海浪干擾模型。The main studying of this dissertation is about cubic analog predistorer, digital predistortion linearizer based on look - up table ( lut ) technology and feedforward - predistortion linearization system. the original work and valuable results in this dissertation are as follows. 1. a novel third - order distortion generator which can suppress the residual second - order intermodulation distortion ( imd2 ) is presented
本論文的研究分別涉及三階模擬預失真系統、查找表預失真系統和前饋預失真系統,其中有創新和有價值的工作主要體現在以下三個方面: 1 :對于採用二極體反向平行對的三階模擬預失真系統,本文提出了一種可以抑制駐留二階交調( imd2 )信號的新型三階擾動器。The simulation results show the cubic predistorting linearization system can achieve 46db third - order intermodulation distortion ( imd3 ) suppression. 2. the indexing method of lut predistorting linearization system is studied in this dissertation
模擬研究表明由該三階擾動器組成的模擬預失真系統能有效抑制的imd2分量,並可達到46db的三階交調( imd3 )壓縮性能。This new distortion generator uses a feedback circuit network composed of diodes and resistors to balance the residual imd2 component. a theoretical study is carried out and basic feature of this generator is analyzed
該擾動器通過一個由二極體和電阻組成的反饋網路來平衡駐留imd2信號,本文理論分析了其基本原理並模擬研究了其性能特點。分享友人