行同步脈沖 的英文怎麼說
中文拼音 [hángtóngbùmàichōng]
行同步脈沖
英文
horizontal sensitivity of tone arm-
This paper describes an automatic contest robot from the cctv holding “ the first robot tv contest all over the academician ”, describes the function and the realization of the robot in greater detail. the robot adopts two stepper motors in the stepped driving control system and putting - ball control system like fishing, with the control of at89c52 single - chip microcomputer, it can synchronously produce driving pulse for two stepper motors and control the moving of the robot along the predetermined line
該競賽機器人採用步進電機作為行走驅動，釣魚桿式的放球控制系統，在at89c52單片機的控制下，分別為左、右步進電機產生脈沖，控制機器人按照預設的固定路線行走，待機器人到達預定的目標位置后，同時控制多個放球機構，從而能分別將賽球準確地放入到比賽圓筒中。The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module
整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件（ cpld ） ，對其編程產生ccd的驅動脈沖及同步控制信號;視頻輸出信號經預處理后，由高精度ad轉換模塊進行采樣，將ccd輸出的模擬信號轉換成數字量;最後，將數據送入arm處理系統中進行后續處理。At the same time the principles of triggering pulse to the three - phase thyristors is discussed, and a way using monostable multivibrator to produce the pulses has been given below. the hardware control system based on tms320f240 is designed, which includes sampling circuit, protective circuit, phase - compensated circuit and so on
對三相晶閘管控制電抗器的觸發脈沖產生原理進行了分析，採用單穩態觸發器實現六相觸發同步；設計了以tms320f240為控制核心的硬體控制平臺，包括采樣電路、保護電路、六相觸發同步等外圍電路。In the method of impulsive synchronization, both seriate system and discrete system have been discussed. a series of discrete hyperchaos systems that have the lowest dimension have been constructed, and we have achieved the impulsive synchronization of discrete system in circuit
脈沖同步法中，分別從連續系統和離散系統兩方面進行討論，構造出一系列具有最低維數的離散超混沌系統，並通過電子線路實現了離散系統的脈沖同步。Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth
與傳統理論不同，新增長理論和新貿易理論都強調技術進步的作用，因此本文構建了一個三部門的技術外溢效應模型（國內部門、工業製成品出口部門以及初級產品出口部門） ，考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應；第四，從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究，有關貿易開放度如何度量一直是存在較大爭議的問題，本文首先對該類研究文獻進行了較為詳盡的述評，然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了檢驗，結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平，但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標，進一步採用基於var系統的脈沖響應函數法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。The current models have phased out the g3 but continue to use the similar g4, both 32 - bit chips, running at various clock speeds ; the recently introduced g5 is a 64 - bit ibm chip that mostly adds some multimedia - specialized instructions to the power4 chip models
當前的g3型已經逐步被淘汰，取而代之的是類似的g4型，它們都是32位晶元，運行於不同的時鐘脈沖速度下；最近推出的g5是一款64位ibm晶元，主要是向power4型晶元中添加了一些多媒體專用指令。Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented
模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel
從理論上對聲光器件衍射損耗作了分析與計算，研究了二維雙聲光器件對提高衍射損耗效率的影響，在實驗中採用二維雙聲光組合器件提高聲光器件的對nd ： yag激光器的關斷能力，較之單聲光的關斷能力提高了一倍左右，而對于平行雙聲光也提高了30左右，並設計了聲光驅動功率分配器以驅動雙聲光器件達到同步，消除了激光輸出的多脈沖現象，提高了脈沖列的輸出功率。To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation
論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點，在對目前微機勵磁控制器分析基礎上，提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案，運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元，並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法，通過電路數字模擬對所設計的數字觸發單元進行了驗證。In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed
第三部分，即論文的第五章，我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜，並且以脈沖激光刻蝕法制備了水銀膠，以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜，通過對其拉曼光譜進行了初步指認，了解由於中心原子的不同，三種金屬有機化合物分子振動的相同和區別。Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed
對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下，模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型，在步進電機輸入脈沖頻率一定條件下，模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized
為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。This dissertation analyses problems of profile aliasing and redundance in chirp - subpulse stepped frequency signal, points out that these problems are resulted from different parameters of chirp - subpulse stepped frequency signal
還對chirp子脈沖頻率步進信號中距離像的混疊和冗餘問題進行了分析，指出這些現象是chirp子脈沖頻率步進信號對不同參數的選取引起的。( 2 ) introduce the constitutes and realization on the ground of vts / gps combination application ; it introduces the realization of vts software and gps automatic supervision system hardware. vts software discusses the applications of computer network technique in modem vts on the strength of the software that is developed by ourselves. while gps automatic supervision system hardware put emphasis on the principle of time - division and how to achieve the synchronous technique and the realization of hardware by use of gps second pulse
（ 2 ）介紹一個基於vts / gps組合應用的構成和實現：重點介紹系統的軟體和gps自動監測系統硬體的實現，軟體將以自行開發的軟體為基礎，探討計算機網路技術在現代vts中的應用實例， gps自動監測系統硬體將重點探討時分的原理和利用gps的秒脈沖進行同步的技術和硬體的實現。Pcnn is a new type of network and is called the third generation artificial neural network. it is a simplified model built through the simulation of the outbursts of synchronous pulses in the visual layer of a cat ' s cerebra
Pcnn是近年來提出的一種新型網路，被稱為第三代人工神經網路，它是通過模擬貓的大腦視覺皮層中同步脈沖發放行為而建立起來的一個簡化模型。In order to study the combustion process and the movement of propellant in the barrel, a multi - photo x - ray experiment system was designed. four groups of photos under different ignition systems were obtained, and these photos were manipulated with digital image manipulation technology. the gray degree of the photos was averaged, and the information, such as density, velocity of the projectile and the trace - indicating grains and confliction velocity of the propellant against the projectile under the consideration of the velocity of the projectile, was extracted and analyzed quantitatively
本文就利用由多幅脈沖x光攝影技術所獲得的四種不同點火條件下的火炮膛內火藥顆粒群運動狀況的陰影照片，進一步利用數字圖像處理的技術及相關演算法，編制軟體對照片進行了處理，統一了照片的灰度，最終在定量上獲得了不同點火條件下的火藥顆粒的密度分佈規律、彈丸和示蹤藥粒的運動速度以及在考慮到彈丸運動的前提下的火藥顆粒與彈丸的撞擊速度。This dissertation analyses the characteristics of chirp - subpulse stepped frequency signal, and analyses and resolves kinds of problems in chirp - subpulse stepped frequency signal. this dissertation studies the use of chirp - subpulse stepped frequency signal in low altitude moving target, and studies and provides theoretical basis for practical application of chirp - subpulse stepped frequency signal and processing techniques
本文對chirp子脈沖頻率步進信號特性進行了研究，並對研究過程中出現的各種問題進行了分析並提出了解決方案;同時，對chirp子脈沖頻率步進信號在低空動目標檢測領域的應用進行了研究，為chirp子脈沖頻率步進信號的實際應用提供了理論依據。At the same time, using two - terminal voltages and currents sampled by the medium - speed sampling and processing unit synchronized by the pulse per second ( 1pps ) of gps, the fault locator can realize accurate double - ended steady - state location
同時，線路兩端的測距裝置利用gps的同步秒脈沖信號（ 1pps ）控制各自的中速采樣處理單元對線路的電壓、電流信號進行同步采樣，用這些同步採集到的數據還可以實現精確的雙端穩態法測距。In the fourth chapter, an important control theory, implusive control theory, was discussed in detail, including some elementary knowledge about impulsive differential equations
在第四章中，對利用脈沖控制進行混沌同步進行了理論研究，提出了一種脈沖控制進行同步的方法，該方法適用於大多數混沌系統。分享友人