數字系數函數 的英文怎麼說

中文拼音 [shǔzìxìshǔhánshǔ]
數字系數函數 英文
digital system function
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The general purpose hash function algorithm library contains implementations for a series of commonly used additive and rotative string hashing algorithms in the c + + programming language

    通用哈希函數運演算法則庫包括一系列通常使用的附加的或者循環的字元竄散列法運演算法則，在c + +程序語言中。
  2. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  3. By choosing non - hybrid dictionary, blocking artifacts of dct system can be avoided ultimately. the cost of coding motion information is reduced, so the visual quality of images at low bit - rates is improved. 4

    而且，通過選擇非晶格結構的字典（原子函數之間允許重疊） ，從根本上避免了低速率dct系統帶來的方塊邊緣失真，增加估計的精度，減少對運動信息編碼耗費並提高在低速率下的視覺效果。
  4. First, the paper introduces the basic knowledge of the image processing technique, emphasizes the image processing method that is used in the measur - ement system, such as edge detection operator, curve fitting algorithm, espe - cially hough change in detail, etc. second, the paper introduces the vc + + 6. 0 program language, analyses its peculiarity and advantage, explains the form of the image in the computer and dib visiting functions

    首先，介紹了圖像處理方法的基礎知識，特別重點講述了在本系統中將會應用到的一些圖像處理方法，如邊緣檢測運算元、曲線擬合演算法等等，尤其是對于哈夫變換的方法，進行了詳細闡述。其次，介紹了本系統所應用的編程語言vc + + 6 . 0 ，分析了其特點和優點，並說明了模擬圖像數字化后，在計算機里的存儲格式以及相應的設備無關位圖訪問函數。
  5. In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論。
  6. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論，簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論，同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。
  7. A on - line method for identifying robot load parameters based on robot ' s wrist force sensor is presented aiming at the points that the load parameters must be identified on - line and real - time, and the identification steps are given clearly. 4. experiments of on - line identification inertial parameters of the robot ' s end - effector and load are shown in chapter 4, experiments are done on robot puma562, the work pieces which inertial parameters are already known, are as robot ' s end - effector and load respectively

    第七章以一種十字梁多維力傳感器為例，以bernoulli一eulerbeam為基礎，建立傳感器的動力學模型，定義了傳感器維間禍合的禍合函數，研究傳感器各維的固有頻率與傳感器的幾何參數等的關系，傳感器動態應變與傳感器幾何參數、貼片位置等的關系，傳感器的禍合函數與傳感器幾何參數、貼片位置等的關系，力圖揭示傳感器的動態特性的本質關系，為傳感器的動態設計和傳感器結合機器人對機器人系統的影響的研究提供理論基礎
  8. Functions include playing a wav file by name and by system alias

    函數包括通過名字或系統別名來播放聲音。
  9. Bdd ( binary decision diagram ) is the state - of - the - art data structure in logic function. it is widely used in the fields of computer science and digital circuit and system

    二元判決圖bdd （ binarydecisiondiagram ）是邏輯布爾函數的一種高效表示方法，在計算機科學以及數字電路與系統等領域中有廣泛的應用。
  10. The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal

    混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。
  11. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  12. Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate

    Socket （ ）函數實現創建、初始化服務元套接字，初始化服務元及服務元序列等。 bind （ ）函數為套接字綁定本地地址和埠號。 connect （ ）和accept （ ）函數主要是根據用戶要求預留帶寬，將用戶的建立虛電路請求轉達給服務元網路體系，協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路，並告訴用戶處理結果，一方面，捎帶數據的三次握手協議在一定程度上可提高數據傳輸速度;另一方面，採用虛電路方式，使得數據通信可直接根據虛電路號查找相應的通信進程，而且數據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號，提高了數據傳輸速率。
  13. Designing a dll to offer function interfaces of images display, and functions of modifying system display, switching window mode to full screen, appending titles. according as directdraw surface type : overlay and off - screen, bring forward overlay project and off - screen project

    最後成果是提交一個動態鏈接庫，提供衛星圖像快視所需的顯示函數介面，以及擴展出的修改系統顯示設置、窗口模式到全屏模式的切換、全屏時疊加字幕的函數介面。
  14. From langevin equation, the stochastic resonance characteristics of bistable system were investigated, including the probability density function and other character numbers

    通過朗之萬（ langevin ）方程，本文詳細研究了雙穩態系統的隨機共振特性，得出系統穩態輸出的概率密度分佈函數及其數字特徵。
  15. In this paper, we propose an adaptive wavelet transform which possess the properties of translation and scale invariance. firstly, the original signal is adaptively renormalized using a scale function of an orthonomal wavelet and the first two moments of the signal. then, we decompose the renomalized signal according to the conventional discrete wavelet transform. as we prove, this adaptive wavelet transform is translation - and scale - invariant, and an efficient algorithm for calculating these wavelet coefficients, called adaptive wavelet invariant moments, is proposed. finally, we give experiment results for 2 - dimension digital signals ( images ) to verify our conclusion

    本文提出了一種具有平移和尺度不變性的自適應小波分解新方法，該方法利用信號的一階、二階矩及正交小波尺度函數，先對信號進行自適應小波「重整」 .然後再對重整后的信號進行普通小波變換.本文證明這種自適應小波變換是平移和尺度不變的，並給出了計算自適應小波變換系數（稱為小波不變矩）的一種有效演算法.對二維數字信號（圖像）的實驗證實了我們的結論
  16. According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified ， modularized and parameterized design ， the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given ， the stability of filters and the effects of quantification of coefficient are also analyzed

    以iir數字濾波器的基本理論為依據，結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點，確定了iir數字濾波器的硬體實現方案；按照層次化、模塊化、參數化的設計思路，採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計；本文給出了iir陷波濾波器和低通濾波器兩個設計實例，對設計的濾波器都進行了穩定性分析和系數量化影響分析；最終將完成的iir濾波器的硬體設計配置到晶元中，並在製作的實驗電路中進行了實際濾波效果測試。
  17. Deducing the transfer function of the system, one controller is constructed and it has the wide frequencies isolation performance and zero force transfer rate. the active vibration isolation simulation is made and the results show that the two - stage isolation mounting with the controller constructed using the method mentioned in this paper has perfect isolation property and this provide new way for controller design. 4

    通過對雙層隔振振動主動控制系統模型的力傳遞函數的深入研究，構造了一種具有寬帶隔振性能的理論上具有零力傳遞率的控制器，並進行了數字模擬研究，取得了理想的模擬效果，為振動主動控制控制器的設計提供了新的思路。
  18. The applications in fault signal classification and data compression of power system are studied and simulated. through the introduction of multiwavelet network, other two kinds of multiwavelet networks are proposed. the theorems for function approximation abilities of some wavelet networks and multiwavelet networks are proposed and proved

    從理論上分析了小波變換和神經網路的函數逼近能力以及它們之間的內在聯系，並且利用不同的激勵函數構造相應的小波函數；對小波網路在電力系統故障信號分類和故障數據壓縮方面的應用進行了研究和數字模擬；提出了另外兩種不同的多小波網路，對一些小波網路和多小波網路的函數逼近能力，提出了相應的定理並進行了證明。
  19. Impusle winding tester 、 programmer electrical safety compliance tester series 、 function / arbitrary waveform generator 、 rf scalar network analyzer

    匝間絕緣耐壓測試儀系列、安規測試儀系列、數字合成函數/任意波信號發生器系列、網路分析儀
  20. A secure authentication and key exchange protocol is designed in this thesis, which could prevent man - in - the - middle attack, increasing the reliability of authentication and security of key exchange. the data encryption module is implemented by openssl including symmetry key algorithm, public key algorithm, hash function. the system ’ s function is tested finally, the data transmission rate using different encryption algorithm

    研究並設計了一套基於數字證書和數字簽名技術的身份認證協議和密鑰交換協議，能夠有效地防止中間人的竊取和篡改，提高了身份認證的可靠性和密鑰交換的安全性;利用openssl標準庫函數實現系統的數據加密模塊，實現對稱加密、非對稱加密以及信息摘要的常用演算法。
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