通道定相 的英文怎麼說

中文拼音 [tōngdàodìngxiāng]
通道定相 英文
channel phasing
  • 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） ...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. In performing ecap, a material is subjected to intense plastic straining by pressing a sample repeatedly through a die containing two channels, with equal cross - sections, intersecting at an angle. equal channel angular processing of the medium carbon steel ( 0. 45 wt. %

    Ecap變形是使試樣通過橫截面相等並成一定交角的兩通道的模具中而產生強烈的塑性變形的一種變形方法。最近人們運用ecap變形方法成功地使低碳鋼及珠光體鋼組織超細化，關于這方面的研究已引起了人們的廣泛關注。
  2. Analysis the cause of channel disaccord of gain and phase, give four methods of gain and phase calibration, computer simulation illustrate the that the methods are effective. in the chapter 4, the basic relation of phase interferometer of one dimension, two dimensions, and the measurement accuracy and the approach of solving the phase ambiguity in the phase interferometers have been discussed in detail

    第四章對相位干涉儀進行了較為詳細和系統的研究，給出一維相位干涉儀的基本關系式，分析了五通道相位干涉儀測向定位演算法及其性能指標，對解相位模糊問題進行了探討，在ccss中模擬了測向演算法，模擬結果證明了演算法的正確性。
  3. The watermark algovithm can resist the physical transfer of printing and scanning by applying techniques such as fixation normalization mutually which can secure the embedding position, chaotic encipher encryption, multipassage embedding and so on. what ’ s more, the watermark designed in this essay is binary image. it can bear a large amount of information

    本文綜合運用了歸一化相關確定嵌入位置、混沌加密、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所採用的水印是二值圖像，能夠承載大量的信息。
  4. 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。
  5. According to horodeckis, the coherent information of entangled state is supposed to be the lower bound of one - way distillable entanglement. this postulation is called hashing inequality, which is crucial in proving noisy channel coding theorem. it is shown that there are no direc

    根據horodecki等人的研究，糾纏態的相干信息推測是單向蒸餾糾纏的下限，該假設稱為hashing不等n式，對證明有噪通道編碼定理至關重要
  6. Calibration for relative spectral responsivity of multichannel radiometer

    通道式輻射計的相對光譜響應率定標
  7. In this paper, the major subject investigated is the ducted fan vertical take - off and landing ( vtol ) uav. compared with normal fixed - wing uav, it has so many strong points such as be convenient to take - off and land, good adaptability and long hover time. we analyze and summary information of foreign uavs, then calculate the figure dimension of our uav, and draw the uav structure configuration and the outside view drawing of three dimensional structure

    本課題的研究對象是涵道風扇式垂直起落無人機，與一般的固定翼無人機相比，它有著起落方便、適應性強、可以在空中長時間盤旋等優點，本文通過對相關飛行器資料的分析總結，給出了無人機的大體結構尺寸，並畫出了無人機的結構布局圖和三維結構外觀圖。
  8. The description of performance and basic environment of foreign vc in china indicates though china has stable economic development basis and certain conditions for foreign vc, the overall investment environment is not adequate. such as conflict of laws, imperfect business circumstance, ignorance of foreign vc practice for local target companies and lack of vc exit mechanism

    從對我國吸引外國風險投資的狀況和基本環境介紹可以看出，我國雖擁有穩固的經濟發展基礎和一定的吸引外國風險投資條件，但仍存在許多不足之處，包括涉及風險投資的相關法規存在不適應方面、風險投資商業環境不夠完善、風險企業對外國風險投資運作方式認識不足、外國風險投資在我國缺失靈活退出通道等。
  9. At same time, a simulation platform was established for computing the capacity of wireless mimo channel, and on the platform it was calculated out the cumulative distribution functions ( cdf ) of the channel capacity of the integrated mimo channel model on the basis of specific parameters provided by the 3gpp standard rl - 02 - 0181 specifications

    同時創建了一個無線mimo通道容量的模擬平臺。並以3gpp標準r1 - 02 - 0181所規定的具體參數為依據，在該模擬平臺上計算出了模擬通道的通道容量的累計分佈，並和相應條件下的理論容量進行了分析比較，得到了有關結論。
  10. A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated

    通過利用gps及漁探器實測，並進行潮位訂正，獲得南通淺海海域大量測點的高程資料；通過對多時相各通道noaa衛星照片進行篩選，挑選能反映淺海地貌的通道資料，從中讀取各測點相對應的灰度值，在此基礎上利用分級線性回歸，建立不同高程范圍內的高程、灰度線性回歸方程，確定不同高程的灰度閾值，從而測量出南通市淺海海域不同高程以上的潮間帶面積、分佈。
  11. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  12. In the new phase, despit the stable relation between the party, government and society among proctical plights

    新階段中國黨政社關系進入了一個相對穩定的演展通道，同時也面臨著一系列必須直面的現實境遇。
  13. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  14. As the application of rake receivers with multitaps is widely used in cellularcdma systems for exploiting path diversity, the closed - loop power control schemesshould make use of the multitap rake receivers for tracking the power variation dueto path loss, slow fading, and fast fading

    同時，本文給出的自適應變步長閉環功率控制演算法利用rake接收機跟蹤通道的變化，與傳統的固定步長閉環功率控制相比獲得了較小的ebi0標準差。
  15. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  16. Usb device returns a device descriptor in response to a standardized control - pipe transaction. the device descriptor contains vendor and product identification information

    一個usb設備返回一個設備描述符相應一個標準的控制通道處理事務。這個設備描述符包含供貨商和產品鑒定信息。
  17. Jms administered objects can also point to the client channel definition table, removing a potential duplication of entries with its associated likelihood of errors

    Jms管理的對象還可以指向客戶機通道定義表，從而消除條目重復現象，並減少由此導致的相關錯誤。
  18. Be based upon the studies of sea optical scatter channel by use of monte carlo simulation, the channel is described as a multipath routeway in this paper. the effect on the communications performance, created by the frequency selectivity decline caused by the multipath routeway, is worked over. the correlation bandwith of sea optical scatter channel is analyzed and quantified through the simulation on the computer

    基於對海水通道的蒙特卡羅模擬，本文對海水通道進行了多徑化描述，研究了由於通道的多徑化所產生的頻率選擇性衰落對通信質量的影響，分析並通過計算機模擬確定了海水通道的相關帶寬。
  19. This paper studies target detection algorithms using polarimetric one - dimension range profile. at first by exploiting polarimetric information in different polarization channels, a fused and enhanced one - dimension range profile is obtained by pwf. then we can detect radar target through integration of scatters in different resolution cells or the number of detected scattering points

    首先利用不同極化通道的相關性信息，將各個極化通道的一維距離像通過極化白化濾波（ pwf ） ，抑制相關雜波，提高信雜比，融合得到一幅改善了的一維距離像，然後通過多個散射中心的能量徑向積累判定目標的有無。
  20. Modern cylinder pressure acquisition system is deeply affected by the advanced computer hardware technology. a / d card with the capabilities of high resolution, high sampling rate, non discrepancy and setting sampling rate at will is combined with a lot of excellent measuring equipment such as crank shaft angle encoder, charge amplifier, industrial control computer, etc. we use four type 6117a46 spark plug cylinder pressure sensors made by kistler corp.,

    高速發展的計算機硬體技術深刻影響著現代氣缸壓力數據採集系統的發展，高解析度、高採集率、多通道、無相差和可以任意設定采樣頻率等特性的a / d板卡及一大批性能優越的相關測試儀器如轉角信號發生器、電荷放大器、工控計算機等。
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