駐波法 的英文怎麼說
中文拼音 [zhùbōfǎ]
駐波法
英文
standing wave method-
The four - day workshop was attended by about 45 colombian judicial police representatives and was facilitated by the rcmp through the liaison office at the canadian embassy in bogota
工作坊為期四天,約共有45名哥倫比亞司法及警務代表出席,至於協調工作,則由加拿大騎警透過駐波哥大的加拿大大使館聯絡處進行。The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete
採用駐波管法測定定向結構刨花板的吸聲系數,分析比較了定向結構刨花板與磚、混凝土吸聲性能的差異。結果表明,定向結構刨花板具有良好的吸聲性能。Acoustics. testing of architectural acoustics. determination of sound absorption coefficient and impedance in a tube
聲學.駐波管法測定標準入射角聲阻抗和吸音率Design considerations of the high power s - band rka are described, by using electron beams of voltage - 600kv, current - 5000a, and the numerical simulations for three kinds of the rka output structures are given. the three kinds of the output strctures are single - gap standing - wave ( sw ) cavity, traveling - wave ( tw ) output structure, and two output structures ( single - gap + traveling - wave structure ). under conditions of using two output structures, the results show that the instantaneous peak power obtained from sw output cavity and tw output structure is respectively 2. 4gw and 2. 1gw, the both power average of 0. 96gw and 0. 93gw, i. e. the s - band rka of two output structures generates peak output power of 1. 89gw at a frequency of 2. 85ghz
從數值模擬中得到雙輸出結構的微波功率輸出結果為:駐波輸出的瞬時功率為2 . 4gw (周期平均為0 . 96gw ) ;行波輸出結構輸出瞬時功率為2 . 1gw (周期平均0 . 93gw ) ,就獲得了頻率為2 . 85ghz的微波輸出。本文簡要的描述了電磁軟體( magic )對速調管輸出腔體進行了模擬,並對相應的模擬方法進行了評述。Theory and regulation on the main vibrator of standing - wave accelerator
駐波加速器主振蕩器的工作原理及調整方法A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network
提出了用有耗二埠網路來等效波導耦合器的方法,對由耦合器、饋電波導和波導彎頭級聯的慢波線系統的駐波特性進行了分析計算,針對慢波線在設計測射頻率上大反射問題,討論了多種解決辦法。Code for measurement of sound - absorbing coefficient and specific acoustic inpedance of standing - wave
駐波管法吸聲系數與聲阻抗率測量規范Measurement of sound - absorbing coefficient and sound - resistance rate by method of standing wave tubes
駐波管法吸聲系數與聲阻抗率測量規范Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band
在本論文的研究過程中,通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施,運用矩量法和遺傳優化演算法等數值方法,深入研究了加載單極子天線問題,旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比,以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。In this thesis, a semi - classical model of the force on an atom is used to describe the motion of a two - level atom interacting with a standing wave laser field. the velocity dependent force and momentum diffusion are derived through optical bloch equations by using the matrix form of the continued fraction technique. by investigating the dynamic properties of atoms in laser field, we can control and manipulate the mechanical motion of an atom
本文利用半經典理論,從二能級原子在激光駐波場中所滿足的運動方程出發,推導出密度矩陣元所滿足的遞推關系,利用矩陣連分數方法求解出密度矩陣元,從而求出依賴于原子運動速度的光壓力與動量擴散系數,通過討論原子在激光場中的動力學行為,為原子在激光場中被囚禁、形成原子列陣以及可控制的量子態,從而為量子信息處理提供理論基礎。Acoustics - determination of sound absorption coefficient and impedance in impedance tubes - method using standing wave ratio
聲學.阻抗管中吸音率和阻抗的測定.駐波比率法Acoustics - determination of sound absorption coefficient and impedance in impedance tubes - part 1 : method using standing wave ratio
聲學.阻抗管中吸聲系數和阻抗測定.第1部分:駐波比率法I would like to conclude with a brief discussion of some issues of measurement and economic data that may be useful as you begin your deliberations on the 1998 budget
我們有一個遍及非洲南部的計畫,由駐波扎那的區域特使團指揮運作,旨在設法將該區所有國家聯合在一起。As part of the nationa1 " 9 ' 5 " key project ( no. f 96 - a23 - 02 - 010 ) on instrumentation supported by the ministry of science & technology ministry this study took the behavior of soil - water - system dielectrics as a key point for further development and evaiuation of a new kind of standing wave ratio ( swr ) soil moistufe measuring system. a series of academic analysis and a lot of experiment research on swr4ased soil moisture sensor were catried out and presented in this paper. on the basis of the research, a new soil moisture sensof, which it is very suitab1e for field use, was developed
本文在國家科技部「九五」儀器儀表攻關項目的資助下(專題號: 96 - a23 - 02 - 010 ) ,以土壤介電特性為研究的鍥入點,對基於駐波率原理( standingwaveratio ? swr )的土壤水分快速測量方法做了系統的理論分析和深入的性能分析研究,為研究開發成功swr型土壤水分測量傳感器奠定了基礎,同時研製出與全球定位系統( gps )聯合使用的土壤水分空間分佈速測儀樣機。Using the fresnel matrix method, the standing wave distribution of the vertical - cavity surface - emitting laser ( vcsel ) was designed and analyzed
摘要應用薄膜光學的菲涅耳系數矩陣方法,對垂直腔面發射激光器的駐波場分佈設計做了深入的研究。Analytical results proves the existence of the two needed bend standing wave which generate traveling wave in the ring - type structure with two linear portions, and also confirms the existence of traveling wave through the harmony response analysis
採用有限元方法對帶有兩個直線段的超聲波直線馬達進行了分析,分析結果表明長環型結構上存在著產生行波所需的兩個彎曲駐波。The sound absorption coefficient of the material was tested by standing wave tube method
採用駐波管法測試材料的吸聲系數。Acoustics - determination of sound absorption coefficient and impedance in impedances tubes - method using standing wave ratio
聲學.阻抗管中吸聲系數和阻抗的測定.使用駐波比的方法Scheme ii. a scheme based on acoustic system recongniton and adaptive filter. compared with the traditional adaptive feedback suppressor, this system has been added a new component, the residual echo suppressor component
與傳統的自適應的方法比較,增加了系統識別和駐波抑制的相關模塊,一定程度的提高了傳聲增益。The method of moments is used to analyze and calculate the broadband characters of impedance, voltage satanding wave ratio ( vswr ), gain and radiation pattern of larger angle lpda, and the relation between these characters and the parameter of antenna construction is discussed in this paper. based on analysis and calculation, the antenna is designed and tested, and the measured results are in good agreement with the theoretical calculation
本文採用矩量法分析和計算了對數周期天線在張角較大時,它的阻抗、電壓駐波比、增益及方向圖的寬帶特性,討論了這些特性與天線結構參數之間的關系.根據分析和計算,設計並製作天線進行實驗測試,理論計算和測試結果表明,兩者吻合較好分享友人