混響頻率 的英文怎麼說
中文拼音 [húnxiǎngbīnlǜ]
混響頻率
英文
reverberation frequency-
A building of high, the breadth, long comparison is very important. house for combination in an ideal of big set, reruns hour then contain the best frequency to respond to the width. frequency response range in other words, the combination can broadcast tallest to can also fully develop to the lowest frequency, and the equilibrium degree is as well high, and halt a circumstance is very tiny. the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion. combination that fundermental the diapason wave harmonics is again perfect
大套組合在一間理想的房子里,重播時便有最佳的頻率響應寬度frequency response range 。換句話說,組合所能播放的最高至最低頻率也可以盡情發揮,平衡度亦高,駐波情況極微。第一反射音波primary reflection和多次反射音波secondary reflection的互相干擾情度不至造成混亂。Heating principle of intermediate frequency induction furnace and some factors affecting its power factor are discussed, some betterments that parallel connection spacer circuit is replaced by interfusion connection spacer circuit are put in practice
摘要對中頻感應爐的加熱原理以及其功率因數的影響因數進行了探討,並將不能恆功率輸出的並聯逆變電路改進為混聯逆變電路。Among the many testing methods of analog and mixed signal circuits booming up in recent years, the pseudorandom testing technique is easier to generate testing stimuli and the current - based testing method could magnify the response differences between fault - free circuits and faulty circuits
近年來提出的很多種模擬及混合信號電路測試方法中,偽隨機測試法易於產生測試激勵,基於電流的測試法能使正常電路和故障電路的頻率響應的差別增大。1 successively depositing cbn thin films on si substrates which reaches international advanced level, the impact of negative substrate bias voltage and rf powers on the formation of cbn thin films were studied. boron nitride ( bn ) films were deposited on ( 100 ) - oriented p - type silicon substrate ( 8i sqcm ) with rf sputtering system. the target was hexagonal boron nitride ( hbn ) of 4n purity, and the working gas was the mixture of nitrogen and argon
研究了襯底負偏壓和射頻功率對制備立方氮化硼薄膜的影響立方氮化硼薄膜沉積在p型si ( 100 ) ( 8 15 cm )襯底上,靶材為h - bn靶(純度達99 . 99 ) ,濺射氣體為氬氣和氮氣混合而成,制樣過程中,襯底加直流負偏壓。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。The dynamic response of the experiment model is studied by transfer function response, and the natural frequency and vibration mode of the vibration system are measured, the dynamic characteristic is mastered, which provides the experiment test method of dynamic data for the structure design of reinforced concrete and the shock absorber design of the system, especially provides the design rules to vibration control of the machine equipment which are built in the building structure
用傳遞函數響應方法對實驗模型進行動態響應實驗研究,測得振動系統的固有頻率和振型,掌握振動系統的動態特性,為鋼筋混凝土建築的結構設計和系統減振設計提供動力學的實驗測試方法,尤其給安裝在建築物內機械設備的振動控制提供了設計依據。No bad effect on concrete strength is found within a certain range of amplitude. the ultimate loads of vibration members are not lower than those of normal ones am, when vibration frequency is below 40hz and maximum vertical displacement is within 0. 2mm
在一定的振幅范圍內,對混凝土強度沒有不利影響,當激振頻率在40hz以下,最大豎向位移振幅在0 . 2mm以內,受振與非振構件相比較,其破壞荷載值沒有降低。At the same time we obtained that the shg conversion efficiency of the flattened gaussian beam is higher than that of the gaussian beam under the same condition ; in section 3, we have computed the theoretical conversion efficiency of the thg on the flattened gaussian beam, where we also have worked out the type - i and type - 11 ( 1 ) thg conversion efficiency curves versus the same effectors, and found the flattened gaussian beams thg conversion efficiency is higher than that of the gaussian beam too ; in the section 4, we have simulated the field distribution of the shg and thg wave on the flattened gaussian beam
在相同條件下,得出了平頂高斯光束的倍頻轉換效率高於高斯光束的倍頻轉換效率;第三章對平頂高斯光束在clbo晶體上的類和類混頻轉換效率與其影響因素的關系進行了數值模擬和計算,並同高斯光束進行比較,同樣得到混頻時,平頂高斯光束的轉換效率高於高斯光束的混頻轉換效率的結論;第四章模擬計算了平頂高斯光束的倍頻、混頻波橫向光場的分佈形式,得到了諧波場仍為均勻平頂高斯光束的結果。Design options include selecting and confirming the type and volume, the best reverberation time and frequency response characteristic, layouting the acoustic materials and designing appropriate reflectors to organize the reflection rationally
設計內容包括體型和容積的選擇,最佳混響時間及其頻率特性的選擇和確定,吸聲材料的組合布置和設計適當的反射面,以合理地組織反射聲等。It is very important to the wavelength conversion through fwm. the result shows that a shorter fiber is necessary to get an enough efficiency when employing high optical energy
結果表明相位調制對四波混頻的效率會有影響,用四波混頻進行波長轉換時該情況有很大作用。( 2 ) the properties of displacement measurement based on self - mixing interference are mathematically analyzed. first, how the external phase influences upon the output frequency, intensity, power and line - width is discussed. then, the output signal ' s properties modulated by four waves, including sine wave, square wave, triangular wave and saw tooth wave, is discussed
( 2 )通過數值分析討論了自混合干涉位移測量系統的基本特性,包括外腔相位對輸出光頻、輸出強度、輸出功率、譜線寬度的影響,以及正弦波、方波、三角波、鋸齒波調制反射體位移時輸出信號的特點。Is combined sewer overflow spill frequency / volume a good indicator of receiving water quality impact
混合下水道溢出頻率和容量是接收水質影響的一個好指數?No organizations or individuals may use the same frequency or the same acoustic signals as those specially used by the state for civil air defense communications or air defense warning
國家用於人民防空通信的專用頻率和防空警報音響信號,任何組織或者個人不得佔用、混同。With regard to some specific problems encountered in the process, the pointed answers are given by way of simulative experiments in laboratory. those problems are as follows : the relation between rt curve and rasti, different impacts caused by different acoustic characteristics on different standing waves, the changes of acoustic quality derived from different positions of sound absorption materials
而對此過程中遇到的某些特定問題,如:混響時間頻率特性與清晰度的關系,不同聲學特性對駐波的影響,吸聲材料擺放位置不同帶來的音質的變化等,則以在實驗室模擬實驗的研究方式予以針對性的回答。In order to research mechanical capability of the reinforced concrete beam with bonding steel plate, adopting separate method to establish finite element model of the reinforced concrete beam with bonding steel plate, using fem to study dynamical characteristics of the model, have got good results which can not be easily got using traditional resolution method, which can give reference to study dynamical characteristics of the reinforced concrete beam with bonding steel plate
摘要為了研究粘鋼加固后鋼筋混凝土梁的各種力學性能,採用分離式方法建立了粘鋼加固后鋼筋混凝土梁的有限元模型,並用有限元方法對此模型先後進行了模態分析和簡諧集中載荷作用下的動力響應分析,得出了加固后鋼筋混凝土梁的前5階振動模態和簡諧集中動荷載作用下粘鋼加固鋼筋混凝土梁底部開裂的極限動載荷幅值頻率曲線,可為研究粘鋼加固鋼筋混凝土梁的各種動力特性提供參考。分享友人