self-oscillations造句
例句與造句
- A method to eliminate self - oscillation in testing hfe of low power uhf audion
時自激振蕩的一種消除方法 - Self - oscillation can be generated under suitable configuration and waterpower parameters
在合適的結(jié)構(gòu)參數(shù)和水力參數(shù)，就可以產(chǎn)生自激振蕩。 - Research of self - oscillation characteristics of large hydroelectric machines based on finite element method
基于有限單元法的大型水輪發(fā)電機組自振特性研究 - By looking for the cause of " self - oscillation , " the paper provides basis for improving the working reliability of the adjustable optical - intensity system
通過探尋自振現(xiàn)象?生的原因， ?提高調(diào)光系統(tǒng)工作的可靠性提供了依據(jù)。 - There are various kinds of the self - oscillations in the preamplifier system of the high power laser facility , the origins of them were analyzed in theory
摘要分析了高功率激光裝置預(yù)放大系統(tǒng)內(nèi)外各種自激振蕩的來源，通過理論計算和實驗驗證提出了各種自激振蕩的抑制方法，并在實踐中得到驗證。 - It's difficult to find self-oscillations in a sentence. 用self-oscillations造句挺難的
- Because the self - oscillation , the dynamic accuracy of the servo system is not only correlative with servo system parameters but also influenced by the input signal amplitude , frequency and the system self - oscillation state
由于自振蕩狀態(tài)的存在，伺服系統(tǒng)的動態(tài)精度不僅與伺服系統(tǒng)的參數(shù)有關(guān)，還受到輸入信號幅值、頻率以及自振蕩頻率的影響。 - Self - oscillation initiated by helmholtz resonance chamber with different configuration under different waterpower parameters is introduced in the paper . the influence on the heat transfer enhancement of the heat exchanger by applying resonance chamber is discussed in detail
本文介紹了不同結(jié)構(gòu)的helmholtz共振腔在不同的水力參數(shù)下產(chǎn)生的自激振蕩情況，以及將自激振蕩應(yīng)用于換熱器上對強化換熱的影響。 - For the amplitude - frequency response at the self - oscillation frequency is one , a method to calculate the dynamic accuracy and the index of the servo system is provided , by comparing them , the scheme to design the verifying unit is presented
利用伺服系統(tǒng)在自振蕩頻率點的幅頻特性為1這一特點，將輸入信號頻率、幅值、系統(tǒng)的自振蕩狀態(tài)和系統(tǒng)的參數(shù)聯(lián)系起來，構(gòu)建了伺服系統(tǒng)動態(tài)精度的計算公式和指標(biāo)估算經(jīng)驗公式，并根據(jù)兩者的關(guān)系提出動態(tài)精度校正方案。 - Just under this urgent consideration , based on the fact that self - oscillation can produce pulsation of flow , to influence the flow boundary layer , thus to increase convective heat transfer coefficient , it is necessary to devote to the mechanism of self - oscillation and apply it to a heat exchanger
正是在這種迫切要求下，基于自激振蕩能產(chǎn)生脈沖流動而影響流動邊界層從而提高對流換熱系數(shù)來強化換熱的考慮，需要開展對自激振蕩的機理及其應(yīng)用的研究。 - The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained . at the same time , we gain important results as below : as for resonance chamber with certain configuration , self - oscillation can be generated under suitable configuration and waterpower parameters . for the same configuration resonance chamber , the intensity of the self - oscillation is changed by the waterpower parameters
當(dāng)流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產(chǎn)生的流體脈動頻率是自振腔固有頻率或其整數(shù)倍,流體脈動頻率過高或過低都不利于對流換熱，存在一有利于強化換熱的頻率范圍。 - The effect of the resonant chamber is analyzed . during the experiment , fluid self - oscillation occurs under reasonable configuration and inlet waterpower parameter of resonant chamber , the intensity of the self - oscillation will be changed when the configuration and inlet waterpower parameters of the resonant chamber are changed
實驗中發(fā)現(xiàn)在合適的結(jié)構(gòu)參數(shù)和水力參數(shù)下，可以使流體產(chǎn)生自激振蕩，當(dāng)共振腔結(jié)構(gòu)尺寸及進(jìn)口流體的水力參數(shù)發(fā)生改變時，產(chǎn)生的自激振蕩強弱也會隨之改變。 - The paper describes the mechanism of friction self - oscillation on sliding guide which produced in the motion how speed , deduces the relation of critical is velocity which does n ' t produce friction self - oscillation and coarse of sliding guide . it provides reliability for reasonably selecting sliding guide " structure and technical parameter
針對導(dǎo)軌低速運動時仍可能產(chǎn)生摩擦自激振動的問題，分析了導(dǎo)軌摩擦自激振動的機理，推導(dǎo)出不產(chǎn)生摩擦自激振動的臨界速度與導(dǎo)軌副粗糙度的關(guān)系，為合理選擇導(dǎo)軌的結(jié)構(gòu)及工藝參數(shù)提供依據(jù)。 - The electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena . we have optimized the simulation using matlab software . comparing the processing data , we know that various ode commands solve problems with different difficulties
本論文主要內(nèi)容包括以下幾個方面：運用matlab軟件進(jìn)行模擬計算的算法優(yōu)化，從比較摻雜弱耦合gaas / alas超晶格模擬計算的過程數(shù)據(jù)可得，不同的ode命令可求解問題的難度是不同的：針對較低難度問題，即研究固定偏壓下超晶格縱向輸運的求解問題( du / dt = 0 ) ，一般首選ode45 。 - For the same configuration resonance chamber , the intensity of the self - oscillation is changed by the waterpower parameters . when the pressure increases , self - oscillation intensity will increase . by applying the self - oscillation generated by the resonance chamber to the heat exchanger , and when the self - oscillation intensity achieves a certain degree , heat transfer will be enhanced
對于同一結(jié)構(gòu)的共振腔，水力參數(shù)不同，產(chǎn)生的自激振蕩強弱也不相同，隨著壓力的增加，自激振蕩的強度也增加；將共振腔產(chǎn)生的自激振蕩引入換熱器后，當(dāng)自激振蕩達(dá)到一定程度的強度后，可以強化換熱。 - 5 . the static and dynamic analysis of the jiangtang lake flood intake sluice was made by use of the spatial finite element method . the displacement , stress and internal force of the structure subjected to the typical load behavior were calculated , and the structure self - oscillation character and dynamic response under the degree horizontal seismic were gained beside ; then the security and rationality of the whole structure were comprehensively evaluated
5對姜唐湖進(jìn)洪閘進(jìn)行了空間結(jié)構(gòu)有限元靜動力分析，計算了典型靜力荷載工況下結(jié)構(gòu)的位移、應(yīng)力和內(nèi)力；求出了結(jié)構(gòu)的自振特性和水平地震作用下的動力反應(yīng)；并對整個結(jié)構(gòu)的安全和合理性進(jìn)行了評價。
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