模擬傳信 的英文怎麼說
中文拼音 [mónǐzhuànxìn]
模擬傳信
英文
analogue singaling- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Through matlab simulations, this improved algorithm can not only achieve the same resolution ability as the conventional music algorithm in ideal conditions, but also acquire the resolution ability and estimation precision that music algorithm can ’ t obtain in the nonideal condition of so - called signal eigenvalue leakage
通過matlab模擬,該改進方法不僅可以在理想情況下取得和傳統music演算法一樣的分辨力,而且在所謂的信號特徵值泄露的非理想情況下可以取得傳統music演算法不能達到的分辨力和估計精度,同時一定程度上減小了運算量。Based on micro - nan cryogenics and microscale transfer, this paper research the inner mechanism of itr from the point of views of the crossed subjects, such as cryogenics, information controling and computer simulation technology
本文基於微尺度傳熱學理論和微結構低溫工程學原理,從研究對象的內在機理出發,結合低溫工程學、信息控制、計算機模擬技術,從交叉學科的角度來對低溫界面熱阻進行研究。Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made
數值計算模擬能接近真實地反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息,確定各參數的分佈情況,並可以對實驗結果做出合理的解釋。Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb
雙缸船閘液壓啟閉控制系統要求解決同步控制問題,文中從智能控制理論角度出發,採用了一種改進的模糊神經網路,結合模糊聚類分析方法,闡述了應用該網路實現同步控制的原理。通過對比模擬實驗表明:應用模糊補經網路實現同步控制是可行的,而且它的同步控制效果要優于傳統的設置主從令缸控制方法,具有良好的魯棒性能。另外,本文提出了建立船閘控制系統的分散式控制系統,介紹了船閘液壓控制系統的計算機監控系統( scada )的方案、結構、應用和主要功能,採用雙層網路化結構:上位機網路和下位機網路,並結合plc通信網路技術和組態軟體等技術構成的計算機監控系統的實現方法,實際應用,分析了這種較新的系統模式在船閘液壓控制系統的計算機監控系統的功能實現中所具有的特點。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results
針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統,在保證系統實時性的同時,實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上,給出了連接漢語數碼語音識別的軟體設計各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system
模擬結果表明,採用行列交替約束的約束維特比譯碼以後,性能得到較大的提升,尤其在突發錯誤通道中,傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。Simulation base on link level is the simulating of independence components of system, it is made use of simulating of signal transforming and processing, in order to analyses signal character, parameter and processing course in signal level, the result of simulation can provide very important reference for the design and evaluation of system
鏈路級模擬是系統相對獨立組成部分的模擬,主要用於模擬通信信號的實際傳輸和處理過程,便於從信號層面分析研究通信信號的特徵、參數和處理情況,模擬的結果可為通信系統設計和評估提供極為重要的參考依據。Separation process and signal being sheltered problem for a ground - to - air missile are studied in this paper. in addition, some helpful conclusions that can assist solving practical project problems and improve missile ’ s combat capability are got
本文以地空導彈為研究對象系統開展分離過程模擬和信號傳輸遮擋分析研究,得到了一些能輔助解決實際工程問題,提高導彈戰鬥力的有益結論。Wireless features description : group 3 analog fax
無線電通信特徵的描述:第3組模擬傳真For traditional simulation methods, which simulate the output of temperature sensor, measurement lag, fault and the environment noise of temperature sensors can ’ t be considered
採用電子模擬傳感器輸出信號的方法不能將溫度傳感器的測量滯后、故障以及使用現場的噪聲等情況反映出來。This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity
該控制系統採用高可靠性的plc可編程序控制器進行實時控制,傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊,同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。The products of hg genuine cover semiconductor laser and detector chip, active device, transceiver that are widely applied in communication and optical sensors
公司產品包括半導體鐳射器和探測器管芯、光電子器件、光收發模組三大系列,主要應用於數字、模擬通信以及光傳感等領域。It simulates human ' s behavior in the process of conventional experiential quotation, and quantifies the useful information of a new die part and a series of correlative die samples accumulated in the foregone quotation experience by fuzzy membership, and then compares the similarity between the new part and the samples after computing their fuzzy level of approximation to find three of the most similar samples, based on which the producing cost of the new part is estimated by exponential - smoothing - method
本文提出的模糊相似比較法和工時法相結合的模具報價方法,就是模擬傳統的經驗報價中人的報價行為過程,利用模糊理論中的模糊隸屬度來量化新工件與原有的在以往生產實際中積累的一系列相關模具樣本的有用信息,計算它們之間的模糊貼近度,進行相似度比較,找出與新工件最相似的三個模具樣本,在此基礎上利用預測技術中的指數平滑法估算出新工件的生產成本。A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method
本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交曲線,並對模板曲線及正交曲線進行離散抽樣,建立一基於正交曲線的二維( 2 - d )可變形模板,針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數,本文採用遺傳演算法搜索能量函數最小的全局最優解.該新演算法比傳統的可變形模板匹配方法降低了搜索空間的維數,減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明,新演算法具有良好的分割精度及穩定性A functional unit that modulates and demodulates signals. one of the functions of a modem is to enable digital data to be transmitted over analog transmission facilities
一種對信號進行調制與解調的功能部件,數據機的功能之一就是使數字數據經由模擬傳輸設施進行傳送。Mechanical and electrical equipment temperature transducer for coal mine specification for analogue output
煤礦機電設備溫度傳感器.模擬量信號輸出型Hfc is a kind of analog transmission technology, which is incompatible with the digital and optical trend of the entire telecom network
Hfc屬于模擬傳輸技術,與整個電信網路的數字化、光纖化的發展趨勢不相吻合。It is built on the catv infrastructure to access multiple information sources ( catv, voice, data, etc. ) via analogy transmission means
它的基本特徵是在目前有線電視網的基礎上,以模擬傳輸方式綜合接入多種業務信息,可用於解決catv 、電話、數據等業務的綜合接入問題。分享友人