超重的信 的英文怎麼說
中文拼音 [chāozhòngdexìn]
超重的信
英文
overweight letter-
The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.
這個信標器的波束寬度有限,如果彈體波束角超過了它,信號就會發生嚴重的衰減。The radical nationalist chen duxiu possessed a strong sense of the national self - respect and self - confidence. the emergence of his nationalistic ideology was constrained by multiple factors, including the influence of nation crisis, the enlightenment of france, the modification by kang youwei ' s and liang qichao ' s nationalism, and the midwifery of his unique personal experience and so on
摘要激進民族主義者陳獨秀具有強烈的民族自尊心和自信心,其民族主義思想的產生受到了諸多因素的制約,如深重的民族危機的影響,法國啟蒙思想的啟迪,康有為、梁啟超民族主義思想的熏陶,個人獨特際遇的催生等等。A fifty cent postage stamp was put on the heavy letter
那封超重的信上貼了一張五十美分的郵票。The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets
在此基礎上,提出了針對相位權重角度超分辨法的雷達目標的運動補償方法,分析了雷達系統各部件的不理想性對超分辨性能的影響,用montecarlo方法對無抖動目標和有抖動目標在不同信噪比下的方位估計誤差和方位超分辨的信噪比門限進行了模擬計算,並將結果同波束空間music方法及cramerrao限進行了比較。In the section 2, firstly based on the diffusion approximation theory, the temporal characteristics of the reflectance and the transmittance were theoretically analyzed in turbid tissues ; secondly, the curves were simulated that the intensity and the pulse shape of the time resolved reflectance and transmittance versus the absorption a, the scattering s and the anisotropy coefficient g in two different boundary conditions : semi - infinite turbid media and homogeneous slab ; at last, the optical properties can be derived from the curves ; in the section 3, the conditions of ultra short laser pulses of different pulse - width and shapes has been theoretical analyzed and calculated, besides, the simulated the curves of the intensity and pulse shapes of the reflectance and transmittance in a homogeneous slab are obtained for use and future studying
第二章中首先根據漫射近似理論對超短脈沖在以生物組織為典型的混濁介質中傳輸進行了理論分析,然後對兩種邊界條件下產生的漫反射、漫透射光脈沖強度和形狀隨各光學特性參數的變化情況進行了數值模擬,最後得到了混濁介質的光學特性參數與漫反射、透射脈沖強度與形狀的關系曲線。第三章對不同形狀和脈寬的脈沖光源入射到混濁介質中產生的漫反射、漫透射脈沖的強度和形狀進行了理論分析和數值模擬,並將高斯脈沖與方波脈沖情況進行了對比,得到了各種情況的漫反射、漫透射脈沖強度、形狀與各光學特性參數的關系曲線,這對從分析脈沖形狀中提取介質的光學特性參數的信息有重要的意義。There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated
空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法,包括:極大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法,包括:矢量特徵法、多重信號分類法( music ) 、投影矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。Following the rapid increase of the data transmission rate of optical fiber communication, the time slot confined by the time interval of the two successive signals is greatly shortened. under this circumstance, the effect of the fabry - perot filter to a short pulse signal may affect the following short pulse signals
隨著通信速率的提高,相鄰的信號間的間隔越來越小,法布里-珀羅濾波器對某個信號的作用有可能影響下一個信號,因此研究法布里-珀羅濾波器對超短光脈沖的影響有著非常重要的意義。Package handling module ( package _ server ) is responsible for assigning all received messages, which can advance real time capability ; communication agent module ( sp _ agent & smc _ agent ) is responsible for communicating with external entities, but does n ' t identify message contents, which can lighten burden of package handling module ; store - and - forward module ( store _ server ) completes store - and - forward mechanism by setting up timer, and implements overtime retransferring and failure handling ; routing module ( route _ server ) is responsible for maintaining the links with the other ismgs to implement routing ; feeing module only consists of some functions which can be called to record message items
其中,業務處理模塊( package _ server )負責分派所有收到的外來消息,提高實時性;通信代理模塊( sp _ agent & smc _ agent )負責與外界實體通信,不具體識別消息,可減輕業務處理模塊負荷過重的壓力;存儲轉發模塊( store _ server )通過設置計時器完成存儲轉發機制,實現超時重傳和失敗處理;路由模塊( route _ server )負責維護與其他網關的通信鏈路,實現路由;計費模塊只是一些可供調用的函數,用來完成話單記錄的功能。A new clerk was sent to the post office by his boss to mail a big envelope. when he reached the window, the woman behind the counter put the envelope on the scales, weighed it and said, " this is too heavy. you don t have enough stamps on the envelope
一位新職員依照老闆的指示到郵局寄一封大信件,當他來到服務的窗口,裏面的女職員把那封信放在秤上量量看有多重,然後告訴他:這封信超重了,郵資不足,你還需要多貼一些郵票!On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間離散矩形網格的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。Empirical studies reveal that interest spread is typical of bond terms, affected by issue size, benchmark interest rate, sector of issuers and their credit risks, although certain industries and conglomerates may be granted a preferential interest spread
實證分析發現,短期融資券發行利差具有明顯的期限結構,並受到發行規模、央票利率水平、企業性質和重大信用風險事件的顯著影響,個別行業和超大型企業也能享受一定的利差優惠。Scientists believe that many nearby galaxies harbour intermediate - mass black holes as very luminous x - ray sources, also known as ultraluminous x - ray sources. unlike supermassive black hole in the centre of a galaxy, these ultraluminous x - ray sources usually locate at the galactic disks
科學家相信,中型黑洞匿藏在許多我們鄰近的星系中,向四周發射超強射線,與超重黑洞不同的是,它們並非位於星系中心,而是散布在銀盤上。Most astronomers are convinced of the existence of the so - called stellar black holes, which collapse out of single star and have masses up to 10 times that of the sun. a famous example of this kind of black holes is cygnus x - 1. likewise, supermassive black holes, which can have the mass of billions of stars and sit in the centre of galaxies, are also believed to exist
一向以來,大部份天文學家都相信宇宙中存在著兩種黑洞,一種是由單顆恆星塌縮而成,質量比太陽大約十倍的恆星型黑洞,例如天鵝座- 1另一種是超重黑洞,這種黑洞位於星系核心,質量可達太陽數十億倍,例如我們的銀河系中心,就有一個名為人馬座a ,質量比太陽大300萬倍的黑洞。Local wars involving high - technology reflect the fundamental characteristics of the information era. electro - optic technology plays an important role in high - tech local wars, high - resolution information acquisition, huge - volume information transmission, super - high - density information storing, very fast information processing and lightweight flat panel displays not only be - nefit command and control, shorten the action period, but may also be applied to control weapon, improve target accutracy and promote intelligent weapons. with the wide use of electro - optic techno - logy in the battlefield, the role of electro - optic countermeasure has become more and more important
高技術條件下的局部戰爭反映了信息化時代的基本特點.光電子技術在高技術局部戰爭中扮演著十分重要的角色,包括高解析度的信息獲取、特大容量的信息傳輸、超高密度的信息存儲、特快速度的信息處理、輕小省電的平板顯示,不僅使指揮控制更加靈活準確,作戰周期大大縮短,而且也直接用於武器控制,提高武器的打擊精度和促進武器的智能化、無人化.由於光電子技術在戰場的廣泛使用,光電對抗在戰爭中的作用日益增強For those biological signals like echo of bat or whale, as well as man - made system signals like radar or sonar signal, the instantaneous frequency of signal component contains important information and could be used for signal model parameters extraction. so that the proper choose of transformed domain and signal characteristic extraction method is of crucial important. the ridge extraction method used for signal characterization was first proposed in the 1990s, it ' s based on the study of the phase of the wavelet ( or other linear ) transform
對于許多實際的信號,如蝙蝠發出的超聲波、鯨魚的叫聲等生物信號,以及雷達、聲吶等人造系統產生的信號而言,信號瞬時頻率的變化規律反映了信號重要的特徵,並且也是信號模型中關鍵的參數,因此選擇合適的變換域提取信號的瞬時頻率信息,並選擇合適的方法對信號進行重建是很重要的問題。It is used in conventional real aperture radar for improving angle resolution. numerical and experimental results show that by using awsm. the angular resolution is improved by a factor of 1. 8 when signal - to - noise ratio equals to 15db
實驗結果表明,在15db的信噪比下,採用角度權重方位超分辨技術可以使方位解析度的改善因子達到1 . 8以上。Qi ming ( the president of school of electronic commerce, ec ) will give a lecture about “ electronic commerce, ec and digging creativity ”
1超重量級人物祁明(電子商務學院院長,中國信息化百名學術與管理帶頭人)的「電子商務與創新潛力挖掘」講座。Each time when it is held, it can attract a large number of travel guests to enter the gate of the host country. in addition, p ersonnel participating in the meetings are all political and economi c officials of their countries basically, so holding international m eetings can popularize prestige of host country greatly, the more im portant thing is that the consumption level of these persons far exc eeds that of ordinary visitors, reaching more than 2
作為旅遊產業的核心,每次召開大型國際會議,就能把大量的旅遊客人吸引舉辦國的大門,加上參加會議的人員基本上都是其國家的政治、經濟要員,所以對推廣舉辦國的信譽度方面大大有利,更重要的是這些人的消費水準遠遠超過普通遊客,平均能達到他們的2 . 2倍以上。Under the support of " research on robot behavior control based vision perception " from shenyang institute of automation ( sia ) of the chinese academy of science ( cas ) ( no. rl2002002 ), this paper has a whole systemic research on the behavior control of mobile robot, and provides a robot behavior control system based vision and ultrasonic information
在中科院沈陽自動化所機器人學重點開放實驗室「基於視覺感知的機器人行為控制技術研究」 (項目編號: rl2002002 )項目的支持下,本文對移動機器人的行為控制進行了較為系統的研究,提出了基於視覺和超聲波信息的機器人行為控制策略。The two ratios are complementary to each other in that the delinquency ratio takes into account those credit card receivables overdue for more than 90 days and not yet written off, whereas the charge - off ratio relates mainly to seriously overdue receivables e. g
拖欠比率是關于已逾期超過日但尚未撇帳的信用卡應收帳款,而撇帳比率則主要涉及逾期還款情況相當嚴重的應收帳款例如已逾期超過日。分享友人