demand signal 中文意思是什麼

demand signal 解釋
需求信號
  • demand : vt 1 要求,請求;需要。2 詢問,盤問,追究。3 【法律】召喚。vi 要求,查問。 ★後面子句中的動詞,美...
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  1. It was found that they were fit for the lpi applications. on the digital signal processing, we studied the demand on compute ability for fast acquest. we designed a new signal form named ds - fh - th signal which costs less in processing but without any lost on the lpi performance

    在信號的數字處理方面,分析了直接序列擴頻雷達在信號捕獲階段對計算能力的要求,在不降低系統lpi性能的基礎上,設計了ds - fh - th雷達信號,降低系統對計算能力的要求。
  2. The context in this paper includes the tactical demand of modern torpedo homing system, the advanced algrithm, the application of dsp in torpedo homing system outside country and the basic algrithm of homing signal processing. the basic structure of dsp signal processing procedure, homing and its algorithm assembly flow chart is also introduced in this thesis

    本文介紹了現代魚雷自導戰術要求、先進演算法及國內外dsp在魚雷自導中的應用現狀;闡述了魚雷信號處理的基本演算法;並對dsp的結構及其應用作了詳細的說明;還介紹了各dsp信號處理模塊的基本結構、自導流程圖及某種魚雷自導演算法的流程。
  3. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  4. In recent years, with the rapid development of the millimeter - wave radar technology and the demand of the safety, anticollision radar system is being studied and used widely. the if ( intermediate frequency ) circuit and the digital signal processing are two important parts of it

    隨著毫米波雷達技術的日益成熟和人們對安全性的迫切需要,近年來,防撞雷達系統得到了深入研究和廣泛應用,如自動巡航控制、碰撞報警和防碰撞系統以及有待發展的雷達成像和汽車的自動駕駛系統等。
  5. But with the high demand of ats on higher speed, data / pattern storage, data / pattern display and data / pattern edit, the project of pattern i / o module with 32 channels based on digital i / o module have been finished. the pattern i / o module can provide signal resource by software panel and transfer data by high speed

    隨著vxi測試系統對i / o介面速度提高、數據/圖形存儲能力以及數據/圖形顯示、編輯能力的新要求,項目完成了32通道,每通道存儲深度為64kbit , 100mhz速率的vxi總線圖形i / o模塊的設計。
  6. This paper based on the hj04a railway signal computer system which is developed by the research institute of microcomputer, hefei university of technology. according to requirement of the interlocking software " s reliability and safety. considered with the software requirement analysis, combining the uml and z, we finally design the interlocking software specification which is completeness, consistency, no redundancy, no different meanings and is consistent with the demand of the system

    本論文針對合肥工大微型計算機應用研究所研究開發的hj04a鐵路信號計算機聯鎖系統,根據計算機聯鎖系統聯鎖軟體設計可靠性和安全性要求,從軟體的需求分析著手,綜合uml統一建模語言方法和形式化描述語言z語言的方法,設計出完全的、一致的、無冗餘的、無歧義的、符合系統要求的聯鎖軟體規格說明書。
  7. The radar based on this system can go beyond the limit of continuous silent frequency band. if there are some extent non - continuous silent frequency band in certain range, and its sum can fulfill the demand of the signal bandwidth, the radar will be work well

    這種體制的雷達可以突破連續寂靜頻帶的限制,只要在一定范圍內存在一定數量的非連續寂靜窄頻帶,其總和滿足信號帶寬要求,就可以使雷達正常工作。
  8. Secondly, the author put forward a layered - structure simulation training model on the basis of the characters of the idr / ibs satellite communication system, and the demand of communication service training. the design is based on object - oriented technology and the thought that the signal float interlinks all system devices. the author analyzed each equipment and put forward the implementation method, and designed an all - purpose simulation platform

    然後根據idr ibs衛星通信的特點及其通信業務訓練的要求,提出了層次化結構的模擬訓練模型,並根據面向對象的思想和信號流構成系統各設備間聯系的思想來開發模擬訓練模型;設計了各組成設備的對象模型和實現方法;設計了通用的模擬訓練平臺及排障訓練子系統、測試訓練子系統、考核訓練子系統。
  9. Because deh system can use feedback signal of the first class pressure as practical power of turbine, it can avoid the reverse control, have the good ability of anti - disturbing. by the sophisticate control logic deh can make swift change of the control demand for following best value according to the circumstance, largely improved the dynamic characteristic when the unit sundenly discharge the full load

    Deh系統控制器中的pid系數可根據試驗情況方便的調整,實現較好的動態特性,並可使調汽門動態過開,使再熱機組有良好的一次調頻能力; deh系統可採用調節級壓力做為汽輪機實發功率的反饋信號,避免出現反調現象,抗內擾和外擾能力強。
  10. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光波長轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,波長向下轉換的距離和反轉光的峰值能量都得到明顯提高,降低了利用交叉增益調制( xgm )波長轉換中對波長精度的要求,從而提高了波長轉換的靈和性。
  11. This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically

    論文針對管道(鋼管)缺陷漏磁檢測定量化、智能化的難題,緊密結合檢測現場實際需要,通過理論分析和大量實驗,系統分析總結了管道(鋼管)缺陷漏磁智能檢測技術,並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究,主要成果和創新如下:引出磁偶極子模型近似分析常見缺陷漏磁場,針對磁偶極子模型的不足,將有限元方法應用到缺陷漏磁場分析,實現了常見管道樣本缺陷漏磁場的模擬。
  12. In this thesis, the signal express format and characteristic of pulse internal phase modulation and pulse external frequency agile is introduced, and the signal design is processed based on the demand of radar system, the restriction of parameter design and various code format

    本文首先介紹了脈內調相脈間跳頻信號的表達形式和特點,並根據雷達系統的需求和參數設計的約束條件以及不同的編碼形式進行了信號的設計。
  13. As result, a new method is presented by using the acoustic emission ( ae ) signal from stem of individual plant as its demand information. based on virtual instruments technique, which is becoming a popular tool in measurement and automation fields international, a computer - based detecting system is developed for the fast, real - time measurement. take tomato crops for testing example in greenhouse, the relation between ae and transpiration, environmental factors has been studied

    因此,從植物本身出發,本文在國內首次採用了以植株莖部聲發射信號作為農作物需水信息的新方法,運用目前在測控領域國際流行的虛擬儀器技術,建立了對作物植株莖部聲發射信息進行實時、快速測量的微機檢測系統,並以溫室盆栽番茄為對象,研究了聲發射信息同植物蒸騰以及環境因子間的關系。
  14. By analyzing the design principle, the paper devised an image source signal alternated with black and white strip and it has a good effect. meanwhile, the system demand of imaging link was analyzed, such as light source, lens and camera etc. in addition, the principles of both the correlation algorithm and generalized correlation time delay estimation based on adaptive technology were studied, and a comparison between them was made as well

    本文中分析了圖像源信號的設計原則,並設計了一種黑白相間的傾斜條紋圖案作為圖像源信號,獲得了良好的測量效果;分析了測量系統對光源、鏡頭、相機等成像環節的要求;研究了相關演算法和基於自適應技術的廣義相關時延估計法兩種數據處理演算法的原理,並對兩種方法的性能進行了比較。
  15. The paper involved srm s maths model, velocity - control theory and feedback - signal - check technique. according to srd s main technical demand, srm s raw data and srm s control theory, the main system was divided into several modules. based on the modules, by selecting proper components and calculating right parameters, in parallel with the sample machine s experiments, the cotroller s design was completed and the system completely meet the demands

    根據開關磁阻電動機驅動系統的主要技術要求和開關磁阻電動機的原始數據以及控制理論,將2 . 2kwsr電動機控制器系統的設計劃分為幾大功能模塊,進而通過系統元器件的選型和參數計算,結合樣機試驗,完成了對2 . 2kwsr電動機控制器系統的設計,並達到功能要求。
  16. This text has finished the following several tasks mainly : first of all, through multianalysis and studying of the vibration theory of the gear wheel, draw the conclusion : effective time - frequency analysis is the inherent demand for analyzing the vibration signal of the gear wheel ; singularity monitoring and filtering the signal or depressing noise are the main applications of wavelet to gear wheel vibration signal analysis

    本文主要完成了以下幾個任務:首先,通過對齒輪振動理論的全面分析與研究,得出結論:對齒輪振動信號進行有效的時頻分析是分析齒輪振動信號的內在需求;奇異性監測和對齒輪振動信號進行降噪濾波是小波變換在分析齒輪振動信號的主要應用。
  17. The paper analyzes four sources of the bullwhip effect : demand signal processing, rational game, order batching, and price variations

    對牛鞭效應的成因,從需求信號處理、訂單批量、價格波動、短缺博弈四個方面進行了分析。
  18. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景,提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構,並且從可測性設計、實時操作系統角度對該系統進行了設計與討論,為高速實時信號處理系統的設計與開發提出了新的解決方案,同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點,然後針對適合於片間并行的adsp - 21060討論了并行計算結構,提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺,分析了它的工作原理。
  19. Automatic vehicle system are made up of several moduls, those moduls are vector electronical map module, position module, communication module, multimedia player module and video signal switch module. in this system, we can realize the position and navigation of vehicle in graphics mode, and demand geographical information, make use of wireless communication, enjoy the multimedia player and so on

    該系統由矢量電子地圖模塊、定位模塊、通信模塊、多媒體視頻播放模塊及視頻混合電路模塊這幾個模塊有機組成,用於實現車輛圖形化定位導航、信息查詢、無線通信、多媒體播放等多種功能。
  20. Level demand signal

    功率給定信號
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