駐波表 的英文怎麼說
中文拼音 [zhùbōbiǎo]
駐波表
英文
standing-wave meter-
Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments
在充氣壓力為0 . 9mpa的條件下，該熱聲發動機最大壓比可達1 . 21 ，遠高於駐波型熱聲發動機，實驗結果和理論分析均表明系統的工作頻率為25hz左右，實驗裝置的諧波比例非常小，且也沒發現頻率跳變等現象。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。Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的，因而是一個物理的關系式，故適用於圓柱坐標中各類波動方程的定解問題.作為一個例，應用於光纖光學，導出了受導簡正模和輻射模的表達式，以及各模式的強度分佈“ international trade sources ” is chinese and english two languages, color printing on imported topper paper, and collection by business lines, issue 10000pcs and this book send to foreign trading companies in shanghai and ningbo, and busi - ness office in foreign countries, each room in yiwu hotels where famous as china com - modity city, and canton fairs
《出口產品采購資訊》大16開、中英文對照、進口銅版紙彩色印刷；按行業分類匯編；發行數量10000冊；郵贈上海、寧波等1000餘家重點外貿公司；派送至外地外貿公司及國外采購商駐義烏商務代表處；在中國國際小商品城- - -義烏大部分賓館酒店客房內擺放；在部分專業博覽會、廣交會等綜合性博覽會期間推廣！In the storm, the part on surface layer of the underlying bed will produce the liquefaction, the absolute standing wave that form the front of the structure may bring 6. 16 meter depth of the liquefaction, so the foundation of structure will lose part of the supporting force, the structure will slide in this situation. that is to say, because of the foundation partly liquefaction, the exist of soft layer and the component force of gravity, the structure slide further to the basin and collapse, which leads to disastrous consequence
在強暴風浪下，底床表層1 . 75米以上均有可能產生液化現象，而在構築物前形成的完全駐波，甚至能夠造成6 . 16米的液化深度，構築物地基部分失去支持力，將直接導致構築物的滑動，也就是說，在地基部分液化、軟弱層的存在以及構築物沿坡重力分力的共同影響下，構築物將向「盆」底方向發生更大的滑動，甚至可能發生倒塌。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。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。“ china is the biggest swing factor for the soyabean market. period. ' ' says dong tao, regional economist at credit suisse in hong kong
瑞士信貸駐香港經濟學家陶冬表示： 「對大豆市場而言，中國是最大的波動因素。 」Multifunction meter. this meter can display s / rf, modulation, swr cal, or swr. see the section on operation for more information on using the multifunction meter
多功能儀表，能夠顯示射頻電平，調制度，駐波比計算或駐波比。了解多功能儀表更多的信息請參看操作說明相關章節。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For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm
實測結果表明:中頻寬帶五位數字移相器在60mhz 10mhz頻率范圍內， 32個相位狀態的插入損耗都低於2 . 3db ，幅度不平衡小於0 . 3db ，相位誤差小於3 . 3度，輸入和輸出電壓駐波比都小於1 . 7 。Surface standing wave
表面駐波分享友人