振動片式 的英文怎麼說
中文拼音 [zhèndòngpiānshì]
振動片式
英文
vibrating reed type-
First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。This machine uses reciprocating piston topour, sort caps out with electromagnetic shaking, pricks caps with blade. it not only can automatically finish the bottle - feeding, pouring, arranging caps, sending caps, pricking caps, but also not pout and arrange caps without bottle. it is a perfect equipment of little measure oral liquid pouring and cap - pricking
本機採用往復式活塞泵進行灌裝,電磁振蕩理蓋,刀片軋蓋。能自動完成進瓶灌裝理蓋送蓋軋蓋工序,且無瓶不灌裝無瓶不理蓋。Reed frequency meter
振動片式頻率計This paper mainly studied a piezoelectric ultrasonic motor of rotary type, and an ultrasonic motor with multiple reeds was bettered. the following is the basic content
本文主要研究了壓電旋轉型行波超聲波馬達,同時也對以前的多振動片式駐波超聲波馬達進行了改進。An ultrasonic motor with multiple reeds is studied and manufactured, its characters are superior to the motor of the same type which is formerly manufactured
對原來的多振動片式駐波超聲波馬達進行了改進,與原來的樣機相比,在性能上有了很大的提高,為今後進一步研究打下了良好的基礎。In the new dryer, the air guiding device with an orderly increased air guiding radius was introduced to improve the uniformity of airflow distributed in bed ; a three - blade device was installed to get a good pulse - fluidizing effect ; an vibrating device and a conducting device were additionally set up to make materials flow fluent and to overcome " reverse flow " respectively
它採用導流半徑依次增大的導流裝置,改善了氣流在床層內分配的均勻性;採用三葉片式脈動裝置,改善了脈動效果;增設了振動裝置,使物料輸送流暢;增設了導料裝置,從根本上解決了物料的「反流」問題。Through the fundamental research of the blade destruction, the digital filter software, the monolithic integrated circuit system software and hardware, the vibration acceleration sensor realizes the vibration protection together
通過對葉片破壞形式的理論研究,由數字濾波軟體、單片機系統軟硬體、振動加速度傳感器共同實現振動保護。The result indicates that the dynamic stress caused by hydraulic pulse at partial load is one of the important reason of the fatigue and cracks of the runner
結果表明由於水壓力脈動引起的轉輪葉片上的振動交變動應力是混流式水輪機疲勞破壞的主要原因之一。2. firstly this paper introduce the whole machine balancing principle and method for dual - rotor systems with little rotating speed difference firstly, then discuss key points such as picking up base signal, picking up " pai " signal, measuring rotor speed, capturing the value of wave crest and through, calculating the phase values of unbalanced weight, processing odd phases and finding each rotor ' s amplitude. on the foundation of above theories, using signal process technique and chip microprocessors technique, we developed a portable intellectual instrument, the first domestic device. which can balance dual - rotor system with little rotating speed difference quickly and accurately
本文從不解拍整機動平衡原理出發,在詳細討論基準信號、拍振信號的提取;轉速的測量;拍峰、拍谷的捕捉:不平衡相位的求法、特殊相位角的處理;內、外轉子幅值的確定等關鍵問題的基礎上,應用信號處理技術和單片機技術研製成功國內第一臺性能穩定、操作簡單、成本低廉且平衡速度快,平衡精度高的便攜式微速差雙轉子現場整機智能動平衡儀。The work principle and character of vibrating string sensor are elaborated in this paper. the design thought and realization method of hardware, software structure and data communication for dam osmotic pressure automatic monitoring system is put forward. intelligent dam osmotic pressure automatic monitoring system with single chip as core is developed
文中闡述了振弦式傳感器的工作原理和特點,提出了大壩滲壓自動化監測系統的硬體、軟體結構以及數據通訊設計思想和實現方法,研製出了以單片機為核心的智能型大壩滲壓自動化監測系統。At last, the valid data based fast emd algorithm was proposed. chaper five aimed to the requirement of the emd based time - frequency analysis in the field of rotating machinery signal analysis and fault diagnosis. studied the method of rotatory speed prediction to improve the precision of complete period sampling of vibration signals in rotating machinery, then, discussed the phenomenon of mode fission in noise signal anlysis by emd and provided the filter method to weaken the phenomenon. after then, found a process to analysis the signals using emd - based method in the field of rotating machinery signal analysis and fault diagnosis
第五章針對旋轉機械信號進行emd時頻分析的要求,提出了提高整周期采樣精度的預測演算法和適合於單片機計算的近似公式;論述了模態裂解現象,並通過模擬信號和實際信號的研究,提出了使用濾波技術來減弱模態裂解現象的方法;給出了適合於旋轉機械振動信號基於emd時頻分析的工作步驟;研究了基於emd的旋轉機械振動信號自適應濾波技術。Test methods for the properties of piezoelectric ceramics. radial extension vibration mode for disk
壓電陶瓷材料性能試驗方法圓片徑向伸縮振動模式Test methods for the properties of piezoelectric ceramics - thickness extension vibration mode for disk
壓電陶瓷材料性能測試方法圓片厚度伸縮振動模式Test methods for properties of piezoelectric ceramics. thickness - shear vibration mode for rectangular plate
壓電陶瓷材料性能測試方法長方片厚度切變振動模式Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。A nonintrusive techique for monitoring rotor - blade vibration using light probes has been applied to turbine - engine rotors and plant rotating equipment
一種非接觸式光探頭測振裝置已成功應用於透平機轉子葉片狀態檢測及其他旋轉機械的振動檢測。This nsms ( nonin terference stress - measurement system ) method is an alternative to the strain gauge for moni toring rotor blade vibration
此方法將在葉片的振動檢測中取代應變計式檢測裝置。The task will be completed by designing 3mm quasi - optical resonator to get small waist radius of gaussian beam existing in quasi - optical resonators. the 3mm quasi - optical resonator test system is built and the test soft is written in vc + + language. we test on dielectric plates, then realize sweep test of large - area sample by adjusting move set to get dielectrical parameter distribution
本課題擬通過設計3mm開放式諧振腔,使開放式諧振腔中傳播的高斯波束的束腰半徑盡可能小,組建3mm準光學諧振腔測試系統,編寫測試軟體,對介質片進行測試,調節移動裝置,實現對大面積介質片的掃描測試,從而測得介質片介電性能的分佈。The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions
以單級軸流壓氣機實驗器為對象,研製了兩種型式的靜壓動態探針?梳形針和圓盤針,詳細測量了過失速狀態下流道中壓力沿徑向、周向和軸向分佈,驗證了用一維模型分析壓氣機過失速性能和失速可恢復性的可信度,同時為過失速狀態下葉片的振動響應分析計算提供了第一手實驗數據。Abstract : a piezoelectric resonance - conveying machine is developed by using homemade piezoelectric ceramic chips, and the structural parameters of its main parts is optimized and researched. a intelligent and multifunctional power supply to drive resonance - conveying machines is also developed. the piezoelectric resonance - conveying machines are to take the place of resonance - conveying machines with their multinomial fine qualities
文摘:用國產壓電陶晶片研製出壓電式振動給料器,並對其主要部件結構參數進行了優化研究,還研製出驅動壓電式振動給料器的智能化多功能電源,該壓電式振動給料器由於具有多項優良品質可望成為振動給料器的換代產品。分享友人