step-function signal 中文意思是什麼
step-function signal
解釋
階躍信號-
The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods
而系統處理軟體的作用是：利用pc兼容機，將上述裝置的輸出信號（ 1 ）通過并行口輸入（ 2 ）記錄成文件（ 3 ）逐點顯示出來（ 4 ）可人工進行化簡，編輯（刪、改點）等（ 5 ）可在給定誤差范圍內進行人工擬合，用直線和圓弧取代原來的點，得到一個與原圖形的誤差在規定范圍內，又消除跟蹤過程中因受到各種干擾而造成的缺陷，由盡可能少而簡捷的數學曲線描述的圖形（ 6 ）把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件（主要指dxf格式） （ 7 ）該軟體還有一定的加密措施。 -
And a kind of 16 - step automatic selective programmable amplifying circuit is designed in volume resistivity measuring circuit, so as to handle sampling little and broad signal. the control and disposal system with the core of microchip at89c55wd is analyzed on chapter 4. main function unit such as the interface circuit of lcd display and keyboard, the interface circuit of micro - printer, real time clock ds12c887, and hardware anti - jamming technique are discussed
本文還設計了以at89c55wd單片機為核心的控制處理系統的外圍介面電路及其軟體，對主要功能部分進行了分析，主要包括：鍵盤液晶顯示介面及界面設計、微型印表機介面、實時日歷時鐘晶元ds12c887 、單片機與單片機及單片機與上位機的通信設計以及控制系統硬體抗干擾措施等。 -
The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。 -
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。 -
Based on the compensated open - loop transfer function, the system stability at the small - signal perturbation and the system response to step signal are analyzed
根據加入補償網路后的開環傳遞函數，分析了系統在小信號擾動時的穩定情況及系統對階躍信號的跟蹤能力。 -
In the first step, the author introduces the rtxc real time operation system and illustrate in detail the boot code design of arm processor, secondly, the author offers a whole structure under this operation system and explains the function of this software in terms of four relative tasks, in which the signal processing module, interface interrupt processing module, system operation measuring and controlling module and rc & lc information processing module are illustrated at length
先介紹了實時操作系統rtxc ，詳細闡述了arm處理器啟動代碼程序的設計，然後給出了在此操作系統下軟體設計的整體結構，分四個任務分別闡述此軟體功能，其中詳細介紹了信令處理模塊、介面中斷處理模塊、系統運行監測模塊和rc消息lc消息處理模塊。 -
These sensors make up of a network for signal detection, muti - step transmission is used to transmit the signal, and self - examination is a useful function for each unit. 2
三種傳感器在一定范圍內組成一個探測網路，網路中的各探測單元利用自行設計的多級傳輸的方法傳遞信息，解決了傳輸中的編碼及時序問題，設計了具體電路。 -
In forth chapter, several difference methods that are suitable for solution of quasilinear equation are presented, namely, one step lax - wendroff scheme, two step lax - wendroff scheme, mac cormark scheme, tvd scheme, harten tvd scheme with two - order precision. all of them are applied to simulate the same traffic - flow question and choose the best scheme under the consideration of their results. in fifth chap ter, power function traffic - flow model and harten tvd scheme with two - order precision are applied to simulate red - green signal traffic - flow, including isolated, synchronous and synchronous changing red - green signal case
在第4章中，給出了適于求解擬線性方程的幾種差分格式，即一步lax - wendroff格式、二步lax - wendroff格式、 maccormark格式、一階tvd格式、 harten二階tvd格式，並用上述5種格式對同一簡單的交通流問題進行了數值模擬，利用數值結果，篩選出最適合求解具有強間斷特性的交通流問題harten二階tvd格式。
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