核振動 的英文怎麼說
中文拼音 [hézhèndòng]
核振動
英文
nuclear vibration-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。Bohr and wheeler envisioned that a nucleus may undergo oscillations like a liquid drop.
玻爾和惠勒設想核子也會象液滴一樣經歷振動。Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis
4 .利用核函數，提出了基於epanechnikov核函數的插值方法將採得的不等間隔的輪速信號轉換成等間隔的輪速信號。利用輪胎滾動方向的振動性質提出了譜估計法。One obtain a description of the vibrational modes in terms of self-consistent oscillations of the nuclear density and potential.
藉助核密度和勢的自洽振蕩我們便得到振動模式的描述。According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed, the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted. a new active vibration control system is developed w hich conclude mcu, the key part, and the equipment used to survey the vibrative acceleration of internal combustion engine
本文根據內燃機振動的具體特點，在仔細分析了振動主動控制原理的基礎上，建立了適合內燃機整機振動的數學模型和採用了模糊控制方法，提出了一種新的內燃機整機振動主動控制減振系統，該系統以微控制器為核心，配以測加速度和控制機電轉換執行機構組成。A sort of spot dynamic balance test system is developed using singlechip as a core apparatus. it can do single - face and double - face dynamic balance test, present result of unequilibrium and its phase position, can test rotate speed and vibration, can show the time - field and frequency - field picture of gain signal
本課題是利用單片機作為核心器件研製的一套可應用於現場的動平衡測試系統。該系統能完成現場動平衡單面或雙面測試，實時給出不平衡量的大小和相位。也可單獨測轉速和振動，還能對採集到的振動信號作時域、頻域圖顯示。Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed
由於葉片振動持續時間很短，且振動頻率在音頻范圍之內分佈較廣，故在設計以單片機為核心的測頻儀時採用了變閘門測頻法，該方法具有精度高、速度快的優點。Nuclear power plants - pressurized water reactors - vibration monitoring of internal structures
核電廠.加壓水冷反應堆.內部結構振動監測Based on the advanced embedded computer and network technology along with the embedded operational system such as windowsce, the instruments can gather many functions such as transmitting and measurement, compensatory computation, signal analysis and processing into one instrument. in this paper a portable instrument for vibration measurement with embedded computer system was discussed. based on windowsce real - time operation system the software of this instrument was designed and developed with evc computer language
本文基於目前流行的便攜式儀器的核心技術? ? windowsce ，設計開發了應用於現場設備振動測量分析的的便攜式測振儀表，針對現場特點和實際要求，對于測振儀的硬體系統進行了規劃設計，並重點對于儀器軟體進行開發，在windowsce平臺下，利用evc語言開發研製了儀器的應用軟體，實現了包括信號採集、分析、顯示、數據存儲和通信功能的軟體系統；並對該軟體進行了計算機模擬調試。An accurate analysis of the vibration characteristics of steam turbine ’ s key components, blade, disc and the system as a whole is crucial importance for their research, design and running
汽輪機是火電站的核心動力裝置，準確地分析其關鍵部件?葉片、輪盤系統的振動特性對汽輪機的研究、設計和運行十分重要。Quartz tuning fork gyroscope is a new kind of micro - mechanical vibratory angular rate sensor. as it has so many advantages such as low cost, small size, high reliability, long life and the ability to survive in harsh environment, its applications in both military and civil field are expanding. moreover the development of multiplex inertia measuring units ( mimu ), which use micro - mechanical gyros as hardcore, is thriving and prosperous
石英音叉微機械陀螺是一種新型的微機械振動角速度傳感器，由於其具有成本低、尺寸小、可靠性高、壽命長，又能在惡劣環境中工作的獨特優點，逐漸在軍事運用和商業應用方面顯示了廣闊的前景，以微陀螺為核心部件的微慣性測量組合（ mimu ）的發展也日益蓬勃。Engineering earthquake safety evaluation of the nuclear power station dam site and brige etc. seismic gonation and microgonation, earthquake disaters estimation and mitigation, engineering structure ' s dynamic characteristic etc
核電站、大壩、大型橋梁等重大工程的地需安全性評價；地震區劃和小區劃，震賃評估、預測及其減賃對策，工程自振特性和環境振動測試，爆破公害的控制設計等。Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源，致力打造「移動谷」 ，創造中國浙江經濟特有的專業版塊模式：從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb （電路板） 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發，形成完整的通信產業鏈。Experimental investigation on shaking table of core - wall suspension structure with three - term control device
三控制型核心筒懸掛結構振動臺試驗研究Analysis of vibration response data of nuclear reactor structure by blasting vibration
核島結構物在爆破震動作用下的振動響應數據分析In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。It begins with the math model ’ s building, simulation research in theory and half - practicality, then design the appropriate platform of controller, at last it must be verified in the industry local
本課題以「鐵馬工程」項目為背景，以液壓振動臺為被控對象，伺服控制器的設計和實現為工作的核心。The core of the piezoelectric ultrasonic motor, piezoelectric ceramic is systematically researched. based on the piezoelectric effect, the piezoelectric equations are derived. from the piezoelectric equations, the important parameter of the piezoelectric ceramic ' s physical performance and the system equations of the vibrator are derived
深入地研究了超聲波馬達的核心元件? ?壓電陶瓷，從壓電效應著手，推導了壓電方程，得到了描述壓電材料物理特性的幾個重要參數，並導出了壓電振子及壓電陶瓷的系統方程，論述了壓電振子的振動模態及諧振特性。The most significant declines, which are traced back to roughly 90, 000 years ago, 45, 000 years ago, and 10, 000 years ago each involved major nuclear catastrophes, which mutated the human genetic structure to such a degree that a major drop in vibration occurred over the course of one generation
最重大的下降，概略地追溯至90 ， 000以前、 45 ， 000年以前和10 ， 000年以前，每個時期都包括了重大的核災難，使人類基因結構突變入如此程度，讓一代人的振動發生較大下降。For hdd pcba, what kind of failures can be captured during vibration test under operating mode ? how to create the sample boards
"第三、振動試驗是考核產品受到外界交變循環應力時的可靠性，考核產品長時間使用時的可靠性。跌落試驗合格並不代表振動試驗合格。分享友人