正弦半波 的英文怎麼說
中文拼音 [zhēngxiánbànbō]
正弦半波
英文
half sinusoid-
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 main original work includes : 1. the interaction between an integral pile and a uniform visco - elastic soil layer with viscous damping or hysteretic damping is theoretically studied, and the pile response to a harmonic load is obtained in a closed form and used to define complex stiffness at the pile head. semi - analytical solution of the velocity response in time domain subjected to a semi - sine wave exciting force is also given
主要工作包括： 1 、在考慮樁周土三維波動條件下，對滯回阻尼、粘性阻尼單層均質土中樁土縱向耦合振動問題進行了解析研究，分別得到樁頂位移、速度頻域響應以及復剛度的嚴格解析表達，以及半正弦脈沖激振力作用下樁頂時域響應半解析解。Many types of dynamic load can be used to analyze the problems of interaction of soils and structures with this program. and it is necessary to use effective stress method to study dynamic deformation problems of soil subgrade. for convenience, traffic load is simplified as half - sinusoidal load, and the soil of subgrade is assumed to be strain - hardening
將交通荷載簡化為半波正弦荷載，假定地基土體為硬化型土，運用本文編制的動態彈塑性有限元程序，分析了單次動力加載和循環動力加載條件下道路橫截面與軟土地基共同變形特性。For the first time, three types of sine structures for wavelength linear scale in grating spectrum instruments are described systematically. the tuning structures for wavelength linear scale in both littrow and littman set - up external - cavity laser diodes are designed
（ 3 ）首次系統地分析了光柵光譜儀器中的三類正弦機構，分別設計了可實現波長線性標度的littrow和littman外腔半導體激光器調諧機構。Passive suspension, pid control semi - active suspension and neural network control semi - active suspension are researched by simulation. white noise, sine wave and sawtooth wave are used for excitation. the root mean square value of vehicle body acceleration, suspension displacement and vehicle wheel load are analyzed
在模擬研究中，路面激勵取為白噪聲、正弦波和鋸齒波，懸架類型採用被動懸架、 pid控制半主動懸架、神經網路控制半主動懸架三種。This paper gave a general method to solve the accelerate damage boundary ( adb ) of the packaging system by finding the adb of two representative packaging systems under type wave. as for the displacement damage boundary ( ddb ) of the packaging system, this paper fist defined the dda of the bilinear packaging system under half - sine wave and other kind packaging systems by analysis. moreover, the course of solve this kind of problem by analysis was given
論文研究了兩種典型脈沖激勵下的非線性包裝系統的加速度損壞邊界及其影響因素，總結了求解加速度損壞邊界問題的一般思路；針對包裝系統的位移損壞邊界，文中首次運用解析法確定了半正弦波激勵下雙線性包裝系統的位移損壞邊界，歸納了用解析法解決此類問題的一般過程，同時，本文還對此給出了應用更為廣泛的一種數值方法。Effects of hard - nonlinear cushion for drop shock machine to simulation of half - sine waveform
跌落沖擊機墊層的硬非線性對半正弦波模擬的影響Experimental result shows that electrical - resistance strain gages can respond well in the frequency range of artificial excitation by impact hammer, at the same time, the experimental scheme brought forward in this paper makes the experimental setting simple and can be manipulated easily as well as can display the excitation and response expediently and synchronously on digital oscillograph. the impact hammer can implement half - sine load
結果表明，電阻應變片在力錘激勵頻段內可以有很好的響應，從而使實驗裝置簡單，方便操作和使用；同時實驗結果顯示出本文採用的實驗方案可以方便地將激勵和響應同步地顯示在示波器上，並且利用力錘可以實現規則的半正弦加載。Then novel circuit structure and circuit topologies family of current source ac / ac converters with high frequency ac link, based on flyback converter, are proposed. the circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd, is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filter. the circuit topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits
本文提出了基於反激flyback變換器的電流源高頻交流環節ac ac變換器電路結構及其拓撲族，該電路結構由輸入周波變換器、高頻儲能式變壓器、輸出周波變換器以及輸入、輸出濾波器構成，能夠將一種不穩定劣質的正弦交流電變換成另一種同頻率穩定的優質正弦交流電壓；該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式等四種電路。Adopting relatively simple mechanical model and predigested boundary condition and taking a straight bar applied one end with an semi - sine impulse to simulate the rigid target impacted by a projectile as an example, the relation between the stress wave propagation and acceleration of projectile has been analyzed by theoretical deduction and computer simulation
摘要採用較為簡單的力學模型和簡化的邊界條件，以直桿一端施加一半正弦載荷脈沖和模擬彈體沖擊剛性靶為例，用理論推導和計算機模擬的方法分析應力波傳播和彈體加速度的關系。分享友人