最遲制動 的英文怎麼說
中文拼音 [zuìchízhìdòng]
最遲制動
英文
brake late-
In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking
系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。To improve the precision of the piezoelectric stage further, a scanning close loop system based on the mathematical model is studied and designed. experiments are also desinged to prove the precision of the close loop system. the experimental results demonstrate that the positional error of the system reduces to 0. 1 %, and the close loop system has high dynamic performance and position precision
為進一步提高工作臺的定位精度，本文建立了基於遲滯模型的閉環掃描控制系統，並對系統的定位能力進行了實驗，實驗結果表明，系統最大定位誤差減小至0 . 1 % ，該控制系統兼顧了系統的動態響應和高定位精度。In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant
其次，本文以荷蘭buggenum電站的空分系統為原型，基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型，並通過模擬，得出了一些有價值的結論：當空分系統的壓力變化時，氧氣產品濃度的響應時間常數為兩小時左右，說明空分系統是igcc電站最大延遲環節；而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內，但在過渡過程中會超出限制，這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。In the fourth chapter, we consider the effect of bus stations on traffic flow. by numerical simulations, we attain the idea results. in the fifth chapter, a multi - speed ca traffic flow model on the one - dimen - sional urban main road on the control of traffic lights is proposed to simulate the traffic under the open boundary conditions
最後，建立一個交通燈控制下城市主幹道單車道多速元胞自動機交通流模型來模擬在開放性邊界條件下現實城市主幹道交通的車流運動，通過延遲來調整交通中紅綠燈對主幹道車流量的控制，並研究了在交通燈延遲控制下綠信比、交通燈個數對主幹道交通流的影響。( 2 ) develop an urban microscopic traffic simulation system, which involves vehicle generation model, network model, traffic regulation model, signal control model, vehicle action model, route choice model and intersection turning model. ( 3 ) realize and research the method that signal cycle and phases are assigned by the traffic need. when vehicles od is known, this method can be used to decide the maximum traffic capacity of signal - controlled intersection and the evaluation reference of current control method
模型中充分考慮了鄰道車輛對駕駛行為的影響及駕駛員的反應延遲，使模型更符合真實情況； （ 2 ）開發了城市微觀交通模擬系統：該系統包括車輛產生模型、路網模型、交通規則模型、信號燈控制模型、車輛行為模型、路徑選擇模型、路口轉向描述模型； （ 3 ）在模擬應用中實現並研究了信號燈周期及其相位按交通需求動態分配的方案，提出該項模擬可用於確定在已知od下，信號燈控制路口的最大通行能力，並可作為現有控制方案的評估依據。Thirdly, with the simplest single - input discrete system as the model, we analyze and discuss the effects for control - delay on the discrete variable structure control systems, and bring forward the design method of discrete variable structure control based on the system state forecast ; simulations show that the above solution avoids adverse influences for control - delay on the performance of variable structure control systems with control - delay, and control effect is fine
第三，本文以最簡單的單輸入離散系統為模型，分析討論了控制量延遲對離散變結構控制系統的影響，提出了基於系統狀態預測值的離散變結構控制設計方法；模擬表明該方法設計的具有控制滯后的變結構系統避免了控制量延遲對系統動靜態的不利影響，控制效果良好。From analyzing the side, lobe, the angular velocity of sight line of autoloading seeker, and the response delay of missile, the main reasons of airdefence missile end control invalidation are made sure
2 、從半主動導引頭副瓣波束影響、導引頭最大跟蹤角速度限制以及導彈響應延遲特性三個方面，分析了造成防空導彈末端失控的主要原因。There is a pretty strict limit of reliability, cost, volume and energy - consuming. real - time embedded control system is applied for firm real - time and responding circumstance. aiming at direct current servo electromotor, a set of servo experiment system is designed, exploitation flow and process of real - time embedded control system are advanced, some issues of them are paid much more attention, the satisfied effects are obtained in the real circumstance, these issues include : exploitation of embedded system, analysis of superiority of the exploitation, the exploitation of embedded linux operation system from kernel customizing and file system cutting out to system starting up is researched, some factors which effect the system ' s capability are analyzed, the settled real - time schemes of linux os and the arithmetic of preemptive priority scheduling and round - robin scheduling and latest and rapid arithmetic are researched
本文圍繞著針對直流伺服電機設計一套伺服試驗系統，對于嵌入式實時控制系統應用技術進行了比較全面的研究，提出了嵌入式實時控制系統的開發流程和步驟，並對其中的一些問題進行了專門研究，在實物實驗中獲得了比較好的效果，這些問題包括：嵌入式操作系統開發，分析了使用linux操作系統進行嵌入式操作系統軟體開發的優越性，並且從內核定製、文件系統裁剪、系統啟動等幾個方面研究嵌入式linux操作系統的開發；實時性研究，分析了在操作系統中影響系統實時性能的因素，研究了linux操作系統的幾種實時解決方案，並且研究了基於優先級的可搶占式與可選擇的同優先級按時間片輪轉相結合的調度演算法以及最遲響應與最快處理的可搶占式調度演算法。Optical phase retarders are not only important optical components in laser technique and polarized light technique fields, but also the basic optical phase modulators that introduce a phase shift between orthogonal and linearly polarized component when light transmittes through them
光相位延遲器，是偏光技術和激光技術領域中極為重要的光學器件，也是最基本的光相位調制器。它能使透過它的振動方向相互垂直的兩束光波彼此之間產生一定的相位差，故稱光相位延遲器。At the delay time when the area on the anode surface bombarded by electrons expands to a maximum field, the upper limit of ion beam current output is reached. the ion beam parameters are an accelerating voltage of 220 kv, an ion current density of 350 a / cm2 with beam pulse width of 70 ns and with composition of 30 % proton and 70 % carbon ions
在電子流對陽極轟擊面積達到最大所對應的延遲時間，獲得了最大離子束流密度輸出，離子束參數為： 220kv ， 350a cm ~ 2 ， 70ns ，成分約為30 h離子和70 c離子，離子束流密度的波動同樣可控制在20 。As a result of researches, several water indexes were brought up from different methods, such as soil moisture content and air relative humidity, which were most commonly used in the past irrigation control system. for crop water stress, however, those are all insensitive and indirect indexes that represent the environmental states of crops
在已建立的灌溉自動控制系統中，土壤含水量或大氣相對濕度是最常見的控制農作物灌溉的指標，但對作物缺水而言，這些都是反映作物生長環境的間接指標，對反映作物的缺水比較遲鈍、滯后。分享友人