波向表 的英文怎麼說
中文拼音 [bōxiàngbiǎo]
波向表
英文
wave direction meter-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。This represents successive stages of transfer of amplitude to later lobes.
這代表振幅向後面波瓣傳遞的相繼各階段。Research show that wavelet varied - grid feature vector is characterized by high - stable and high - distinguish. based on this vector the apery cognitron has solved the harmony of single - classifier and multi - classifier and the harmony of multi - feature. the data shows that the recognition rate and reliability has been effective improve
實驗數據表明,小波變網格特徵向量具有穩定性高、區分性強的特點,基於此的智能字元識別機解決了單、多分類器協調和特徵協調問題,在應用快速二值化方法加強處理實時性的同時有效地提高了車牌字元的識別率和識別可靠性。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。This paper also ana1yzes the sidescan mapping princip1e of the mu1ti - - beam bathymeter, and process the avai 1ab1e data with sidescan mapping method to achieve the sidescan imagery represented by the reverberation strength
本文還對多波束測深聲納側掃成像原理進行分析,利用現有的數據進行多波束側掃成像處理,形成表示海底反向散射信號強度的海圖。Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性Conclusion this result shows that that the pinna and concha have almost no effect no sound localization in horizontal plane, which means spectral characteristic does not possihly dominate in horizorntal plane
結論實驗表明耳廓和外耳道對水平方向的聲音定位幾乎無影響,也就是說在水平方向上的聲音定位,耳廓和外耳道的濾波、共振等改變聲波頻譜特性作用可能不明顯。The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section
混凝土表面溫度隨外界溫度波動而波動,但內部的導溫性能很差,所以在外界溫度驟降時將引起很大的溫度梯度,從而在厚度方向上拉應力發展很快,這極易引起全斷面拉應力發生。In order to reduce time in this procedure, we realize a fast cyclization algorithm based on the hash table. experimental results show that this approach is efficient and automated in test vector translation
實驗結果表明,在此波形格式基礎上的測試向量轉換,不僅在速度上得到提高,同時針對大容量的測試向量集合,也能獲得較高的壓縮結果。Plasma technique was introduced in the research of high power microwave ( hpm ) sources in recent decade. the performance of hpm sources is improved much by filling plasma which is promising in this field. filled - plasma travelling - wave tubes ( fptwt ) is a part of them. it is the main task of this paper to research and design fptwt ' s electron optics system and simulate it
近十年來,在高功率微波的研究熱潮中,引入了等離子體技術。引入等離子體能顯著改善高功率微波源各方面的工作性能,已經成為高功率微波源發展一個頗有前景的新方向,等離子體行波管即是其一個典型代表。The disturbances advances in the x-direction as a so-called surface or evanescent wave.
這個擾動作為一個所謂表面波或倏逝波沿著X方向行進。The disturbances advances in the x - direction as a so - called surface or evanescent wave
這個擾動作為一個所謂表面波或倏逝波沿著x方向行進。On character extraction, the thesis regards handwriting images as texture images, and excogitates analyzing handwriting images with ( 2, 10 ) integer - to - integer wavelet transform innovatively, that is, analyzing texture images with ( 2, 10 ) integer - to - integer wavelet transform mainly, and denoting eigenvectors of handwriting images with integer - to - integer wavelet coefficients, the thesis defines an 18 - dimension eigenvector. ( 2, 10 ) integer - to - integer wavelet transform can extract the high pass of images effectively, high pass is the details of images, and analysis of texture images is mainly for the details
在筆跡圖像的特徵提取上,文章把筆跡圖像當作紋理圖像來看待,創新地提出用( 2 , 10 )整數小波變換來分析筆跡圖像,即主要用( 2 , 10 )整數小波變換分析紋理圖像,用紋理圖像的整數小波系數來表徵筆跡圖像的特徵向量,文章定義了一個18維的特徵向量。 ( 2 , 10 )整數小波變換能夠很好地提取圖像的高頻部分,高頻部分在圖像中表現為細節,而對紋理圖像的分析主要是對細節的分析。Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect
並且對行波型超聲波電動機的減摩現象進行了研究,發現在接觸區定子表面上一點的水平振動產生摩擦驅動力,垂直振動只起影響水平驅動效果的作用,得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。Wave propagation characteristics of cylindrical shells with circumferential surface crack
含環向表面裂紋圓柱殼的波傳播特性研究This figure shows four stages in the outward motion of the spherical blast originating from an air burst.
圖中表明空中爆炸時發生的球形爆震波向外移動的四個階段。As one of the most potential experimental stress measurement, ultrasonic technique was widely developed and applied in recent years. limited by their own characters, bulk wave and surface wave in ultrasonic frequency are difficult to be used to measure the internal tangent stress condition from the surface of medium. in many occasions, they will not be able to evaluate the working condition of mechanical components effectively
超聲波技術作為最有潛力的實驗應力測量技術之一,近年來得到了廣泛的發展和應用,然而超聲體波與表面波由於其自身的限制性,均無法從表面測量內部的切向應力狀況,在許多場合下無法有效進行機械構件工作狀態的評估。Standard practice for the measurement of the apparent attenuation of longitudinal ultrasonic waves by immersion method
用浸漬法測量縱向超聲波的表面衰減的標準操作規程The intermediate code created by the compiler is very compact and is propitious read by the running system because the paper uses reverse polish representations, hi the simulative running system, the paper uses the hardware plc principles and the oo method to white the running program
中間代碼採取了逆波蘭表示法,這使得生成的代碼比較緊湊,且有利於運行程序的讀取。在模擬運行部分,本文利用硬plc循環掃描的工作原理,結合pc環境下的特點,用面向對象的方式編寫出了模擬運行程序。In order to utilize the atmospheric duct phenomena, and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous, on the basis of classification of the atmospheric duct, first the model for evaluating the effective detective zone of electronic reconnaissance facility is established, then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented, and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed
為充分利用大氣波導條件,發揮電子偵察設備效能,使戰場態勢向有利於己方方向轉化,在介紹大氣波導分類的基礎上,建立評估電子偵察設備的有效探測區的模型,給出用拋物線方程及其分佈傅里葉演算法計算電磁波在表面波導條件下傳播的數值模擬方法,並分析了大氣波導對電子偵察設備的影響情況。分享友人