機器諧振 的英文怎麼說
中文拼音 [jīqìxiézhèn]
機器諧振
英文
mechanical resonance- 機 : machineengine
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 機器 : 1. (用來轉換或利用機械能的機構) machine; machinery; engine 2. (引申為機構) apparatus; organ
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The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。( 3 ) design a tusm ' s drive and control experimental device. it use dsp as the main element and squaresignal and syntonic drive mode. form the experiment, the system meet the tusm ' s drive and control. speed has fast response
( 3 )設計了一套行波型超聲波電機驅動控制系統電路。採用dsp作為驅動控制的主要器件,方波作為驅動信號,簡單的lc諧振驅動方式。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems
基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s ( s是諧波數) ,因而能適用於機動性較高的軍用毫米波雷達系統。On describing a genetic algorithm ( ga ), we present a method for applying ga to optimize the lasers. a programming is presented for obtaining the maximum laser power. by using the method we optimize the cvl and the co2 laser, including lc circuit parameters of the cvl, the cvl system, the lasing resonator and the gas components mixtured in the co2 laser tube
在這個部分中,首先簡述了遺傳演算法,討論了應用遺傳演算法來優化激光器的思想和方法,給出了優化大功率激光器的計算機程序設計;然後,對銅蒸汽激光器lc放電電路、大口徑激光器和激光器系統分別進行了優化;對二氧化碳激光器諧振腔和氣壓參量分別進行了優化,介紹了優化二氧化碳激光器諧振腔的實驗以及實驗所獲得的結果Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。We research on the thermal buckling characteristics of double layer membrane which is composed of different materials with different thermal expansion coefficiens under uniform temperature elevation. the energy method is proposed which is used to solve the problem and the symbolic relation between central buckling height and substrate height under small buckling height is also given. it is the primary theory of membrane resonant sensor, which makes the research and development of novel thermal sensor possible
本文對微機械中熱脹系數不同的材料構成的雙層復合薄板在均勻溫升下的撓曲特性進行了研究,提出了在均勻溫升下雙層薄板熱撓曲求解的能量法,並給出了小撓度下中心撓度與板厚的解析關系,為薄膜諧振式傳感器溫度特性的研究和新型溫度傳感器的設計與開發打下了基礎In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。It ' s a spr instrument based on angular interrogation, which can fulfill not only wide range but also highly sensitive angular scan. utilizing the principle of virtual instrument, an expandable, easy to use system control and data processing software is presented. micro fluid injection system, spr chips and temperature - controllable flow cell are developed as the accessories of the spr instrument
它是一種基於高精度機械掃描結構的諧振角調制spr系統,採用先進的虛擬儀器技術以及嵌入式微控制器為主體的儀器;設計、編制了操作簡便、功能完備的信息處理軟體和操作控制軟體;設計和製造了配套的小型流動注入系統、溫控測試池及可批量制備的spr生物傳感晶元等,具有創新性。The ceramic componets are made of high stability piezoelectric ceramics that functions as a mechanical resonator
陶瓷元件由高穩定性壓電陶瓷製成,其功能表現和機械諧振器一致。At this time, the approximate mechanical model of devices has been put forward, which frequency is 70 mhz, then we analyzed the euler ? bernoulli equation, find that the frequency is determined by the resonator ’ s density thickness and length ; the free - free - beam 、 coupled beam 、 support beam 、 transducer have been designed ; the model was simulated and modal analyzed on the coventorware and were consistent with the designed parameter. the silicon surface microfabrication process was developed and emphatically introduced several key surface microfabrication technologies, and was simulated by coventorware
本文通過分析歐拉-貝努立方程,得出濾波器的共振頻率主要由諧振梁的密度、厚度和長度決定,考慮切變形和轉動慣量的情況下,完成微機械諧振梁、支撐梁、驅動電容的設計;在coventorware軟體上進行模擬,分析結果與理論設計比較好地吻合;對微機械濾波器的加工工藝進行設計,給出器件的完整的工藝流程,重點介紹微機械表面加工工藝,並在coventorware上進行模擬。Using commercial fea software, computer simulation is carried on the characteristics of the resonator and the pressure sensitivity for several silicon / silicon nitride beam structures
應用有限元分析軟體,對硅梁及氮化硅梁的多種結構,進行了計算機模擬,分析了熱激勵諧振器的特性以及壓力敏感特性。Mechanical resonant sensors are characterized by high accuracy, rapid response, excellent stability, resistance to electrical interference and digital output
機械諧振式傳感器精度高、信號以及頻率輸出適于計算機信息處理,而且其信號輸出取決于機械參數,抗電干擾能力強,穩定性好。A microstructure resonant pressure sensor measures applied pressure by detecting change of resonant frequency of its mechanical resonator. the sensor is characterized by its very small size, high accuracy, excellent stability and convenient interfacing with digital electronics, showing broad application prospects
微結構諧振式壓力傳感器是通過檢測其機械諧振器諧振頻率的變化來實現壓力測量,特點是尺寸小,精度高,穩定性好,易與數字電路介面,具有廣闊的應用前景。Buck zvs - mr - tl converter is taken as the examples to illustrate the operation of the zvs - mr - tl converters. the operation of buck zvs - mr - tl converter is analyzed as well as parameter design, realization of pulse - frequency - modulation ( pfm ) interleaved control and comparison between zvs - mr converters and zvs - mr - tl converters. a 1000w prototype converter is built in the lab to verify the effectiveness of the proposed converter
本文以buck零電壓開關多諧振三電平變換器為例,詳細分析了它的工作原理、參數設計、脈頻調制交錯控制的實現、與常規的多諧振變換器的對比,並以一個1000w的原理樣機對該變換器進行實驗驗證。A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings
提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓過渡更具有靈活性,僅使用一個諧振電感,既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題,並且諧振電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。This paper presents a new type of microcomputer compensated crystal oscillator ( mcxo ) which bases on at - cut crystal and uses microcomputer as its core
本文主要敘述了一種以微處理器為核心的基於at切晶體諧振器的微機補償晶體振蕩器( mcxo ) 。It is composed of four parts : dc ( direct current ) power supply, resonance charging and polarity reverse unit, electric relay control unit and computer control unit
它主要由四部分組成:三相整流直流電源,諧振充電及電壓反向單元,繼電器控制單元,計算機控制單元。The silicon micro - machining technology is used to fabricate the bi - layered silicon microcantilever resonators, the excitation of silicon micro - resonators is achieved using electro - thermal method via fabricating thermal excitation resistance on the silicon microcantilever beam
利用硅微機械加工工藝製作了雙層結構硅微懸臂梁諧振器,通過在硅微懸臂樑上製作的熱激勵電阻,用電熱方法對硅微諧振器實現了激振。Switching loss and efficiency of the proposed resonant pole zvt three - phase pwm inverter are analyzed and discussed. results of calculation and testing of the prototype together with a hard - switching inverter with the same specification show that an improvement of 2 % ~ 3 % is obtained. based on the analysis of drawbacks of existing svpwm technique in resonant pole zvt three - phase pwm inverters, several improved svpwm methods are presented
對提出的諧振極零電壓過渡三相pwm逆變器的開關損耗和工作效率,進行了深入的分析和討論,並針對原理樣機進行了理論計算和實際測量,並與相同規格的硬開關三相逆變器進行了對比研究,結果表明,採用提出的軟開關技術的原理樣機的效率可以提高2 % 3 。分享友人