通過信號機 的英文怎麼說
中文拼音 [tōngguòxìnháojī]
通過信號機
英文
block signal-
The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals, the signal adjust circuit consist of programmable - gain amplifier and filter, and digital signal processor tms320lf2407 for data acquisition and processing in turns. provide the measuring results on lcd module. and also can transfer data to the pc ’ s rs232 for farther analyse
採用前置電路將被測信號(電壓或電流)變換為小電壓信號,經過信號調理電路對信號進行程式控制放大和濾波后,通過tms320lf2407實現信號的數據採集、信息處理和計算,將測量結果通過液晶模塊顯示,還可經過rs232介面與計算機進行數據傳輸,做進一步的分析和應用。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。The new instrument add a sensor that can gather the signal of the stator inductive current. and by analyzing the signal of the stator inductive current, judge the moving state of the electromotor. this instrument is mainly diagnosis the follow fault : the fragment of the bar in the rotor fault, the fault of eccentricity of the interspace between the rotor and the state of the electromotor.,
本儀器是在回轉機械故障診斷與監測系統的基礎上開發的,同時,根據電機這種特殊設備的實際情況,增加了電機電氣信號的檢測,即通過對電機定子三項繞組電流信號的變化分析,來找出電機的電氣故障,主要是轉子斷條,氣隙偏心故障以及定子等故障。As a part of the self - adapted yard interlocking system, the main purpose of the research is, by exploring the interlocking relations of the various units one another such as tracks, switches, signals and so on, to find out their forming regulation ; in order to cause the operation of the design of yard plane more simple, more sensible and more efficient, we make use of the visual - formed means. then the yard data formed will be provided to the " self - adapt yard interlocking simulation control system " which is developed by the former postgraduate
本系統作為「自適應車站聯鎖系統」的子課題,其開發的主要目的是:通過對車站站場內股道、道岔、信號機等各部件聯鎖關系的研究,找出它們之間的形成規律,然後利用可視化手段,簡單、快捷地設計出車站站場平面圖,並形成原始的站場數據,為已所開發的「自適應車站連鎖模擬控制系統」提供數據支持。By reading the returning signals, the machines can identify the molecular structure of the materials it contains
通過讀取引爆后返回的信號,機器可以識別信號里所包含物質的分子結構。Also a test system is set up, and the work status of the system is controlled by single chip to download the data of initial registers and control registesr. and the logical analyzer is used to sampling the output signals
搭建了一個驗證系統,通過單片機來配置初始化寄存器和控制寄存器的值來控制系統的工作狀態,用邏輯分析儀採集輸出的信號。The function, which the at89c55 system can complete identifying and ratio disposal, as well as the computing and showing of the parameter, can ensure the performance of the measuring system, such as the measurement resolving power, precision and stability and so on
上述測量得到的兩路的信號是通過單片機at89c55對其數據進行分析、處理。單片機系統完成的識別和比值處理、各參數的計算及顯示功能,保證系統的測量解析度、測量精度、高穩定性等技術指標。The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out
本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上,對系統中通道的幾個關鍵技術進行了詳盡的研究,主要分為三個方面: 1 ,提出並研製了新型的片式環形磁感應天線,並對傳輸能量載波的天線的近場互感特性進行了分析,得到互感效率隨天線的周長大小以及導帶寬度的變化規律,並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論,設計了信號載波天線的寬帶匹配網路。Based on these models, a main - road traffic flow model with two speeds on one dimension is designed. this model simulate the situation of one road in the city, traffic lights placed on the crossing, using the computer simulation, firstly, in the case of synchronized traffic lights, we investigated the velocity and flow of the model when the initial density, the turning probabilities, the number of the traffic lights, the green to signal ratio and the period of the signal are changed, then we have advanced some meliorate measure to traffic flow ; secondly, in the case of the traffic lights " signal update delay in turn, we found the optimal matching between the period of the signal and the delay time of the traffic lights so as to the perfect velocity and the flow of the model are attained
在此基礎上,建立了一維二速主幹道模型,該模型模擬了城市交通中一條主幹道的交通情況,在交叉口處設置紅綠燈,通過計算機模擬,首先,在交通燈信號同步更新的條件下,研究模型在改變車輛的初始密度、轉向概率、交通燈個數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下主幹道的速度、流量的變化,根據模擬結果提出一些改善交通的有效措施;其次,在交通燈信號依次延遲更新的條件下,研究模型在參數道路長、紅綠燈綠信比、交通燈個數、車輛的初始密度給定的情況下找到紅綠燈信號周期和延遲時間的最佳匹配使得主幹道的速度、流量達到最理想的值。Deciphering the pathways through which microbial signals operate promises to provide new chemical entities and host targets for enforcing health, and perhaps treating diseases affecting both the intestine and extra - intestinal tissues
這段話的第二句我是這么翻譯的: 「我們要解釋微生物通過信號操縱來提供新的化學物質和增強宿主健康的機理,治療腸道疾病影響的不光是腸內組織,可能還有腸外組織。 」By relaxing the main assumptions in the mm theorem and introducing such variables as taxation, bankruptcy cost, asymmetric information, agency cost and transaction cost, this paper proves that in real economic situations, capital structure influences corporate value through three channels, namely tax avoidance effect corporate governance mechanism and signal mechanism
摘要放寬mm定理中的主要假設條件,引入稅收、破產成本、不對稱信息、代理成本、交易成本等變量,由此證明了現實經濟環境中資本結構通過避稅效應、公司治理機制和信號機制三條途徑影響公司價值。We also analyze the influence of the boundary condition 、 safety distance and deceleration probability to the traffic flow. finally, we propose an crossroad modle. this model is made up of one main road and one branches : traffic with lights placed on the crossing, vehicles " breaking while running and turning to other direction while jamming. we investigate the velocity and flow of the model when the initial density, the brake and turning probabilities, the green to signal ratio are changed. then the reasons causing all the kinds of phenomena are analyzed
最後研究了周期性邊界條件下的十字路口的ca模型,該模型由一條主幹道和一條支道組成,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中對突發事件發生反應的剎車,路口的車輛可以轉向等各種實際交通行為,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、紅綠燈信號的綠信比等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。The basic principle of variable step - size algorithm is analysed, as the facter of variable step - size algorithm mse, the non - linear function of error signal, autocorrelation of error signal and the kurtosis of error signal is proposed, and four new variable step - size cma is achieved. 3. the kurtosis of equalizer output as a new variable step - size facter is propose, which provide an alternative method of variable step - size, and a new variable step - size cma by putting it into cma is achieved
3 、分析了將輸出信號的峰度用於步長控制的可行性,為變步長演算法步長的控制參量提供了新的選擇,並將其應用於恆模演算法的步長控制,得到一種新的恆模改進演算法,並通過計算機模擬實驗驗證了改進演算法優良的收斂性能。After digital image processing, the image can be displayed on the screen, the diagnosis report can be printed or even it can be transferred to other image devices
計算機處理后的影像,可由液晶顯示屏直接顯示、也可由印表機編輯列印出診斷報告、也可通過信號線傳輸給其它影像設備中心。In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame
在這種控制方法中首先測量出電機的實際反電動勢波形,然後通過計算機擬合和坐標變換,求得產生恆定電磁轉矩所需的q軸電流,令i _ d ~ * = i _ 0 ~ * = 0 ,通過坐標變換,得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * , i _ b ~ * , i _ c ~ * ,利用電流滯環控制來產生pwm信號,由於這種控制方法中電流不會突變,從而可以較好的抑制轉矩脈動。Then we focus on decision feedback equalization ( dfe ) algorithm which is widely used in mimo signal detection. subsequently, a minimum mean squared error ( mmse ) detector based on wl detection combined with the decision feedback strategy for ca - mimo is derived. meanwhile, the issue that how to use wl detection in da - mimo system is discussed and a solved project is also presented
本文第四章在介紹了寬線性檢測技術的基礎知識之後,著重針對mimo信號檢測演算法中使用廣泛的反饋判決檢測演算法,提出了一種基於最小均方誤差準則的寬線性反饋判決集中式mimo信號檢測演算法;同時,結合第三章的內容,對分佈mimo信號如何採用寬線性檢測提出了一套解決方案,通過計算機模擬,給出了幾種分佈mimo檢測演算法的性能;結果表明,在採用最優檢測順序的情況下,兩This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。Acquiring the novel drought resistance genes with knowledge property right became very important to our country. the research demonstrated that plant could adapt water stress through signal transduction, osmotic adjustment, desiccation protection and metabolic changes
研究表明,植物能夠通過信號傳遞、滲透調節、代謝調整、脫水保護等多種機制適應乾旱脅迫,與其相關的基因相繼被克隆應用於生產實踐。Meanwhile several parameters are measured at one time in the system, therefore the analog signals can be converted frequency signals by making use of signal acquisition system. the uniform pattern in the hardware and uniform how in the software can implement the multi - function design for single machine. ultimately the uniform multi - parameter intelligent measuring method comes into being
同時針對本系統多個參數需要同時進行檢測的特點,將多個參數的測量模擬信號通過信號採集系統全部變換為頻率進行數據處理,系統的硬什方面有比較統一的模式,軟體方面有統一的計算流程,能實現單機的多功能設計,最終形成了多參數的統一智能檢測方法。分享友人