波型轉換 的英文怎麼說
中文拼音 [bōxíngzhuǎnhuàn]
波型轉換
英文
mode transformation-
Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles
本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究，主要研究的內容有：利用分帶原理對深度數據進行潮汐修正，得到瞬時海面的深度數據；對測深數據進行誤差分析處理，去除野值；將多波束數據進行坐標變換及投影轉換后構建數字地理模型，進而根據海道測量規范繪制標準海圖。This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel
首先，將載體rgb圖像轉換到ycbcr顏色空間，然後提取亮度通道y ，將其進行小波變換，然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次，對有意義的水印圖像分別進行3次不同的魔方置亂，得到3個隨機水印序列。Wdm all - optical network can meet the need of modern network communication with good performance. this paper studies the wavelength - rounting all - optical networks without wavelength converters
本論文主要研究了無波長轉換機制下的wdm波長路由型全光網。In this paper, on the basis of absorption of achievements of the research on auditory physiology, an auditory model simulationg the peripheral auditory system and part of the central auditory system is set up. the model is made of the fitlters presenting the characteristics of the basilar membrane for analyzing the voice signals, the half wave rectification modeling the inner hair cells and energy transfer of nerve fiber
在吸收聽覺生理學研究成果基礎上，建立了一個模擬外圍聽覺系統和部分中樞聖經系統功能的聽覺模型。模型由表徵基底膜的頻率分析的帶通濾波器組、內毛細胞的半波整流特性和神經纖維的能量轉換特性組成，該模型可以作為前端處理來提取語音信號的自相關圖譜。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。Fast ray tracing method for converted waves in complex media
復雜地質模型轉換波快速射線追蹤方法Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave
以復合絕緣子為測量樣品，為提高測量橫波的精度，根據超聲波在邊界上的波型轉換條件，使用常規縱波探頭對由掠入射縱波產生的橫波進行測量。Furthermore the influence of the interface curvature and wave mode conversion on the inspection filed was still analyzed by the author. the results were in good agreement with the general rules of ultrasonic nondestructive testing
作者還進一步分析了界面曲率和波型轉換對超聲檢測的影響，理論分析符合超聲檢測的一般規律。2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures, and s - waves attenuate more rapidly in rocks with water - filled fractures. 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves. 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions
結果表明： 1 ）平行排列裂縫造成的各向異性使波前變寬； 2 ）含乾裂縫巖石對波型轉化的影響比含充水裂縫巖石的大，橫波在含充水裂紋中傳播時衰減較快； 3 ）當介質存在各向異性時，爆炸點源產生的波不僅有縱波，還有橫波； 4 ）通過改變點源函數研究不同點源所產生波以及波型的轉換。Secondly we introduce the independence model to analyse the sparse wavelength conversion case. then we compute the mean blocking probability for a whole network and discuss some network topologies in common use
接著，對于wdm光網路中只有部分節點具有全波長轉換能力時網路阻塞率的計算這一問題也提出了其獨立模型的解法。Increasing the converter range of lrwcs could reduce the packet loss rate and meanwhile,
我們對同時使用波長轉換和fdl競爭解決方式的交換節點模型，Then the result of certain k - shortest path algorithm is introduced as a set to be chosen by both the simulated anneal algorithm and heuristic algorithm, concerning the end - to - end traffic requirement and restriction on link bandwidth. afterwards, the effect of the value k on the outcome of the simulated anneal algorithm is researched. the network resource is allocated, while the study of link protection problem on traffic routing is introduced and two types of protection, shared protection and dedicated
首先考察實際的網路模型，根據業務需求，引入k路由演算法的結果作為模擬退火演算法和啟發性演算法備選路由集合，在鏈路帶寬有限的約束下對網路資源進行分配，同時引入業務路由的通路保護問題的研究，實現了共享保護和專用保護兩種通路保護方式;針對全波長轉換網路和無波長轉換能力網路，根據為所有連接請求所分配的總資源最少和滿足請求的業務數目最多兩種優化目標對資源分配進行優化，研究了備選路由集大小對模擬退火演算法結果的影響;對模擬退火演算法與啟發性演算法的Last we propose a dynamic routing and wavelength assignment algorithm utilizing the model of free wavelength based wavelength conversion degree
最後基於波長轉換度的空閑波長圖模型，提出了一種用於wdm光網路在備選路由下的動態rwa的改進演算法。The paper presents a new scheme of wavelength conversion, which based on fiber ring semiconductor lasers ( frsl ). its configuration and operating principle are demonstrated
本文提出一種基於光纖環形腔半導體激光器（ frsl ）的波長轉換方案，闡述了其結構模型和工作原理。Based on current max - rwa model, the extended max - rwa model is presented by introducing limited - range wavelength conversions. considering signal distortion introduced by wavelength conversions, we propose a new optimization objective, which is to establish the maximum number of connections with the least number of wavelength conversions
?在現有max - rwa模型的基礎上提出了波長轉換范圍受限條件下的擴展的max - rwa模型，在考慮了波長轉換器對信號傳輸造成的損傷的基礎上改進了優化目標，新的優化目標要求網路建立的連接數最大並使用盡可能少的波長轉換器。Driver of waveguide switch type 40phx90, detail specification for
40phx90型波導轉換驅動器詳細規范Driver of waveguide switch type 40phx120, detail specification for
40phx120型波導轉換驅動器詳細規范The extended max - rwa problem is formulated as two integer linear programming ( ilp ) from the different viewpoint, and then solved using genetic algorithm and tabu - search algorithm respectively. a dynamic routing and wavelength assignment algorithm ( lcwa ) for limited - range wavelength conversions is proposed
從不同角度出發，給出了max - rwa問題的兩個整數線性規劃模型，隨後分別使用遺傳演算法和禁忌搜索演算法求解了波長轉換范圍受限條件下的靜態max - rwa問題。The typical design gets the technical parameters from digital filters that should be designed, and then transformed into the analog parameters of a low - pass analog filter prototype. the prototype is converted into the analog low - pass, high - pass, band - pass and the band - stop filters respectively, which are transformed into the digital ones
典型設計是先按一定規則將給出的數字濾波器的技術指標轉換成模擬低通濾波器的技術指標，據此產生模擬濾波器原型，然後把模擬低通濾波器原型轉換成模擬低通、高通、帶通、帶阻濾波器，最後再把模擬濾波器轉換成數字濾波器。分享友人