等強信號制 的英文怎麼說

中文拼音 [děngqiángxìnháozhì]
等強信號制 英文
equisignal system
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 強 : 強形容詞（強硬不屈;固執） stubborn; unyielding
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  1. A interception probability reduction theory by means of comparing the rppm with constant pri pulse sequence is also analysised in this paper, further more the strong properties of eccm of the rppm is discussed and analysised

    此外，本文還介紹了隨機脈位調制信號比較于等重復周期（ pri ）脈沖信號來降低信號被截獲概率的原理，討論並分析了隨機脈位調制脈沖多普勒雷達較強的抗干擾能力。
  2. Through the rational study on the levels of auditing quality, make the appraising standard system of auditing quality perfect, suggest professional association and some supervisors to implement grade management system of cpa firms according to appraising method in practice, give market a signal about professional quality, improve the professional transparency of cpa firms, urge cpa firms strengthen its own service qu ality, provide a high quality service to people

    在此基礎上提出了一套會計師事務所審計項目質量評價辦法，通過定量地研究審計質量的層次，使得審計質量理論衡量體系變得更加完善，從實踐上建議行業協會等監管部門按照評價辦法對會計師事務所實行等級管理制度，給市場一個有關執業質量的信號，促使事務所加強自身服務質量，為社會公眾提供高質量的服務。
  3. This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target

    本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。
  4. This system uses multicenter synchronization sampling and dma sampling control method, which has high sampling frequency. the system can realize displaying and analyzing in real time

    該系統採用多通道同步採集，采樣頻率高，且採用dma控制方式，實時性強，能夠實現振動、擺度信號實時顯示和分析等功能。
  5. The main products include : aluminum - cored and copper - cored polyvinyl chloride insolating wires, protecting wires, rubber wires, alumina gel wires, steel - cored alumina gel wires, prefabricated cables, power cables, controlling cables, cross sky cables, communication cables, signal cables, burn - preventing wires and cables, computer internet wires, vehicle - used low pressure cables and wires. television cables etc. all the products are being produced according to the national standard and ministry. all the cables series have gained the national producing license for industrial products, and the other products have obtained national mandatory 3c authentication

    公司專業生產各種「寶炬」牌電線電纜，主要產品有：鋁芯銅芯聚氯乙烯絕緣電線護套線膠質線鋁絞線鋼芯鋁交線預制分支電纜電力電纜控制電纜交聯架空電纜交聯塑力電纜通訊電纜信號電纜阻燃電線電纜電腦網路線公路車輛用低壓電纜電線電視電纜等，各類產品均按有關的國際部際進行生產，電纜系列均獲得全國工業產品生產許可證，其它主導產品亦獲國家強制性3c認證。
  6. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  7. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  8. Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4

    本文的主要工作如下: 1 .研究了探地雷達回波信號雜波及背景去除演算法，改進了一種基於a - scan信號強度的自適應滑動平均法; 2 .改進並完善了探地雷達數據採集處理軟體，加入了定位輪控制數據採集、數據格式轉換、目標距離測定等程序; 3 .研究了探地雷達目標成像演算法，利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。
  9. In this paper, the spatial operator algebra theory has been dissertated systemtly it is the great contribution to project, science and appled mathematics for the multibody system dynamics based on the spatial operator algebra. it compared mechanics with cebernetics, signal process and other relevant subjects, and find out their common points, and applicated the algorism structure developed by kalman and riccati to the resolvation of multibody system dynamics, and realized the mutual penetrate from mechanics to cebernetics. in the future, such penetrate will be strengthened more, so which will form the ideal and unitive base of mechatronical project subject

    本文系統地論述了空間運算元代數理論體系，基於空間運算元代數的多體系統動力學是對工程、科學和應用數學的重大貢獻，它通過比擬力學和控制以及信號處理等相關學科，找出這些學科的共同點，把kalman ， ricatti等發展的計算結構和方法應用到多體系統動力學解算，實現了力學與控制學科的相互滲透，在將來通過不斷深入研究，這種學科的交叉與滲透必然會進一步加強，由此可進一步奠定機械電子工程學科完美統一的理論基礎。
  10. Thus, the frequency domain adaptive filter is well suited to a multi - narrowband interference scenario, the paper studied frequency domain adaptive algorithms, carried out analysis and computer simulations. simulation results : for gold codes ds - ss signal of length 63, 4 interferences of signal to interference ratio ( sir ) 40 ub or 4 narrowband interferences of signal to interference ratio ( sir ) 40 db and frequency - spectrum bandwidth 12 percent of the whole bandwidth, the sir improvement is better than 20db

    模擬結果指出，在輸入信號為干擾是4個等強度的多音干擾或4個頻譜帶寬占信號總帶寬12的強窄帶干擾（干信比為40db ）的擴頻信號（碼長為63的gold碼序列）情況下，演算法的干擾抑制比均優於20db 。
  11. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。
  12. The interference resisting measures are discussed in the article, such as sensor designing, signal transmission package, pcb designing, signal processing, etc. the measures make the system has a strong ability of interference resisting and enhance the signal noise ratio

    本論文從信號檢測傳感器、數據傳輸通道、 pcb布板、軟體設計等幾個方面重點研究了提高系統抗干擾能力的原理和要採取的措施，使檢測系統具有較強的抑制干擾信號的能力，提高了武漢理工大學碩士學位論文信噪t匕。
  13. In hardware design, an integrated multi - center a / d chip is for input signal conversion, cpld and arm empu are the core of fault diagnosis system and information processing. host computer is connected with the system through network technology - which owns certain advantages such as wide range of input signal, powerful processing ability and low power consumption ; also it can be extended as a remote portable terminal

    在硬體設計上，採用集成多通道a / d轉換晶元完成輸入信號的轉換，使用大規模可編程邏輯器件和高性能嵌入式處理器作為故障診斷系統控制和信息處理的核心，採用網路技術實現診斷系統與主機的連接，系統具有前端輸入信號范圍寬，處理能力強，功耗低，可擴展為遠程診斷系統便攜式終端等優點。
  14. For the high - speed digital signal processing, the structure of fpga and dsp is widespreadly adopted. dsp is more featured in the implementation of complicated algorithm, while field programming gate array ( fpga ) shows more advantage in its flexibility of design, simplicity of system configuration, modification and maintenance. in the paper, the hardware system of the spaceborne radar is based on the structure of fpga and dsp, of which the signal processing part is accomplished with one fpga chip and multi dsps

    Dsp適合完成結構復雜的演算法;現場可編程邏輯陣列（ fpga ）適合完成高效、演算法固定的任務;與專用集成電路（ asic ）相比， fpga優點主要在於其很強的靈活性、可在線配置、修改和維護方便等優點。本文工程中的星載雷達信號處理和控制系統就是採用dsp + fpga的方式。其中信號處理採用的是xilinx公司的virtex -和virtex系列fpga和多片analogdevices公司的tigersharcts101的硬體電路結構。
  15. The early studies are mostly focused on the method of gluing piezoceramics on structural surfaces, which has some disadvantages such as difficulties to protect the ceramics and the connection wires, bad coupling with only one surface glued on the base materials, low signal - to - noise ratio etc. these problems can be solved using the embedded piezoceramics, and furthermore, the piezoceramics can be placed in the optimal positions, especially in the optimal deepness for the piezo - actuators, according to an optimization algorithm befor e they are embedded, so the actuator effects and sensor signals are thereby enhanced

    早期的研究主要集中在表面粘貼壓電片的結構，表面粘貼壓電片具有一些無法克服的缺點。本文著重進行利用埋入復合材料結構的壓電傳感器和壓電驅動器對其振動進行主動控制的相關理論和實驗研究，並介紹其相應結果。埋入型壓電材料的優點主要是能保護壓電傳感器和作動器及其連線、增強壓電材料和基體材料的耦合、優化埋入壓電陶瓷的深度和厚度可增強壓電傳感器的測量信號並提高信噪比等。
  16. On physical layer, it consists of a variety of ne ( network elements ) with different functions connected by optical fibre cables. compared with pdh, sdh is more widely used in fibre optical communication system these days. the reasons of the wide applicability of sdh are : first, it provides worldwide standards for electrical interface and optical interface, which can promote multi - vendor interoperability ; second, it has the feature of synchronous multiplexing and flexible mapping mechanism, so it can use stm - 1 signal to bundle atm cells, fddi signals as well as pdh signals

    Sdh之所以具有強大的生命力和廣泛的適應性，主要有兩個原因:提供統一標準的光介面和電介面，使不同廠家設備實現橫向兼容;採用同步復用方式和靈活的映射結構，以基本傳輸模塊stm - 1為橋梁，與原有的pdh信號實現縱向的前向兼容，與atm 、 fddi等數字體制實現後向兼容。
  17. By the advantage of high precision, strong anti - interference ability, long lifespan, etc, grating scale is the chief sensor in displacement measurement. however, as is restricted by the beam path structure, the scan frequency of the scaning circuit, etc, the maximum available measuring speed has a inverse proportion relationship to the measuring pace of a single grating scale

    光柵尺具有精度高、抗干擾能力強、壽命長等優點，成為微納米位移測量的主要工具，但由於受光路結構及信號檢測電路掃描頻率等因素的限制，單個光柵尺測量的最大允許移動速度與其測量步距成反比。
  18. The simulation system includes the optics, chopper control, driving signal design, image data acquisition based on vi technology and image processing including image difference, non - uniformity correction ( nuc ), image intensification and dynamic display, etc. according to the corresponding theories, the author designed all these software modules. the research on the pyroelectric imaging technology through this experiment is of great importance to practical thermal imaging system in the future

    根據熱釋電焦平面成像原理，用sspa器件在可見光條件下設計了基於虛擬儀器技術的熱釋電凝視焦平面成像模擬系統，包括光學系統、斬波控制、驅動信號設計、基於虛擬儀器技術的圖像數據採集和相關的圖像處理技術，如圖像差< wp = 5 >分、非均勻性校正、圖像增強和動態顯示等。
  19. By means of the proposed reinforcement learning algorithm and modified genetic algorithm, neural network controller whose weights are optimized could generate time series small perturbation signals to convert chaotic oscillations of chaotic systems into desired regular ones. the computer simulations on controlling henon map and logistic chaotic system have demonstrated the capacity of the presented strategy by suppressing lower periodic orbits such as period - 1 and period - 2. meanwhile, the periodic control methodology is utilized, the higher periods such as period - 4 can also be successfully directed to expected periodic orbits

    該控制方法無需了解系統的動態特性和精確的數學模型，也不需監督學習所要求的訓練數據，通過增強學習訓練方式，採用改進遺傳演算法優化神經網路權系數，使之成為混沌控制器，便可產生控制混沌系統的時間序列小擾動信號，模擬實驗結果表明它不僅能有效鎮定混沌周期1 、 2等低周期軌道，而且在周期控制技術基礎上，也可成功將高周期混沌軌道（如周期4軌道）變成期望周期行為。
  20. In order to get the real - time motor controller with wide speed scope, high precision and large ability, this paper has used the special digital signal processor ( dsp ) made in texas instrument for motor control to design and finish the speed adjustable motor controller, analyzed the control methods and discussed the application in the fields of position testing, drive and power inverter circuit, completed related hardware testing and tested its functions

    為了獲得調速范圍寬、精度要求高、功能強大的實時電機控制器，本論文選用了德儀公司生產的電機專用數字信號處理dsp晶元，完成了調速電機控制器的設計與製造。並在此基礎上分析了控制策略以及在位置檢測、驅動、主功率電路應用等方面展開了討論。完成了相關的硬體調試並在實際中加以檢驗。
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