通道波 的英文怎麼說

中文拼音 [tōngdàobō]
通道波 英文
channel wave
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability

    目前，數字語音技術已廣泛應用於許多通信領域，但是在水下利用聲波進行數字語音通信卻是剛剛起步的新技術，這主要是由於水聲通道有限的通信帶寬及其時變、空變等特性所決定的。
  2. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  3. And we carry on carefully the theoretical research and systematic analysis of channelized receiver with poly - phase filters. in addition, we carry on simulations for channelization processing module

    針對基於多相濾波的數字通道化接收機，進行了仔細的理論研究和系統分析，並在此基礎上，對通道化處理部分進行了模擬實現。
  4. Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal

    在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構，推導並建立了實信號通道化數字接收機的多種數學模型。
  5. A channel estimator for multi - carrier system in fast time - varying fading channels

    一種快時變通道下多載波傳輸系統的通道估計方法
  6. In order to verify the effectiveness of steep - front impulse voltage test in finding the internal faults of composite insulator, some insulators with faults, including conductive channel, semi - conductive channels, airy channel, partial little air bubble that occur separately at different place, are modeled. steep - front wave impulse voltage test is made for these faulty insulator and normal insulator

    為了檢驗陡波試驗對于發現合成絕緣子內部故障的有效性，分別模擬了絕緣子內部不同部位有導電性、半導電性通道，小氣泡，金屬雜質，長氣泡以及芯棒與護套間不粘連故障的絕緣子，並從三維靜電場計算和用不同陡度的陡波試驗兩個方面進行了驗證。
  7. Secondly, in the feature extraction stage, haar 2 - d wavelet transform is used in each band of the normalized image. the mean values and variances of the coefficients of 7 main wavelet channels are extracted as features

    該演算法通過對歸一化處理后虹膜圖像的各個小分割區域進行二維小波變換，提取出主要小波通道的小波系數均值和方差作為特徵值。
  8. Research on access token management for hf channel

    短波通道接入令牌管理策略的研究
  9. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  10. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  11. Computational methods of lw ground - wave transmission channels

    長波地波傳輸通道計算方法
  12. 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。
  13. Moreover a novel approach to fabricate array of three - dimensional waveguides in pr crystals employing illuminations of a pair of mutually coherent or incoherent two - beam interference fields is proposed

    並提出了利用一個雙光束干涉場以不同的角度兩次輻照晶體，在光折變晶體中寫入不同通道波導陣列結構的方法。
  14. A method used for designing a flat - field awg is also presented based on the mspm. in this design, the images of all the channels are on the same line. this greatly simplifies the structure of an awg and makes it much easier to integrate with other devices

    在多點消像差方法的基礎上，實現了平場型awg器件的設計，使得所有通道波長的成像位置都在同一條直線上，簡化了器件的結構，有利於器件集成，使awg器件的設計更加靈活。
  15. If signal not pre - distorted, the variable capacity cv1 enables to correct the inclination of the transmitted pass band

    以未預失真條件信號、這個同樣的標準，可變電容cv1賦予權利去校正已傳輸通道波段的傾斜度。
  16. Employing writing beams with appropriate intensity distributions and external electric fields along proper directions, arrays of planar and channel waveguides can be fabricated in various pr crystals

    研究結果表明：採用合適的光場強度分佈以及合適的外加電場可以在不同光折變晶體中寫入平面波導陣列和通道波導陣列。
  17. The experiment results show that the two methods are feasible to write array channel waveguides in linbo3 : fe crystal

    結果表明，採用這兩種方法在linbo _ 3 ： fe晶體中寫入陣列通道波導是可行的。
  18. And the guiding tests of the waveguides are performed. ( 2 ) two methods are used to write array channel waveguides in linbo3 : fe crystal

    （ 2 ）通過兩種方法在linbo _ 3 ： fe晶體中進行寫入陣列通道波導的實驗探索。
  19. By researching data structure and display method of different display model of vi, a uniform display screen data structure is advanced, which including appearance parameter, channels number and layout of windows, graphics data and display parameter, to unify the operation and storage of one - dim, two - dim and three - dim, wave figure, xy figure, straight figure, color figure, relief map

    本文通過研究虛擬儀器中各種不同顯示模式的數據特點和顯示方法，提出了一種統一的顯示器數據結構，包括顯示器外觀參數、通道數及窗口布局、通道波形數據和顯示參數等，來統一一維、二維和三維，波形圖、 xy圖、直方圖、色譜圖和地形圖的操作和存儲。
  20. And a novel approach to prepare optical masks by using spatial light modulator for light - induced various waveguides, even a whole circuits is proposed. ( 4 ) fabricating planar and channel waveguide arrays in sbn : cr, linbo3 : fe and knsbn : ce crystals under illuminations of two - beam and four - beam interferograms are detailedly investigated both theoretically and experimentally

    從理論和實驗兩個方面對利用雙光束和四光束干涉形成的光場在sbn ： cr 、 linbo _ 3 ： fe和knsbn ： ce晶體中寫入平面波導陣列和通道波導陣列的方法進行了詳細的研究。
分享友人
分享到 Line

分享到臉書