radar volume 中文意思是什麼

radar volume 解釋
雷達區域
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  • volume : n. 1. 卷，冊；書籍；【歷史】書卷，卷軸。2. 〈常 pl. 〉大塊，大量，許多。3. 體積；容積；分量，額；【物、樂】音量；強度，響度。
  1. The wind field retrieval data are obtained by plied muscat technique to transact the rude radial velocity data which were observed by dual - doppler radar volume scans

    該資料是用雙多普勒天氣雷達同步立體掃描數據，通過muscat技術，反演出風場。
  2. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  3. It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail

    該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。
  4. A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field

    本文從原理上分析了雙基地天氣多普勒雷達的構建、基本幾何關系、有效散射體積及其與雙基地角的關系，有效散射體積和目標與雙基地天氣多普勒雷達主站發射機的距離的變化關系，指出雙基地天氣多普勒雷達有效體積和單基地雷達有效照射體積隨之距離的變化有相似之處，但是由於收發分置的幾何結構，雙基地天氣多普勒雷達的性質與雙基地大氣多普勒雷達的散射角有著密切的關系。
  5. Hirayama t, et al. directional ocean wave measurement utilizing running ship motion and radar images [ j ]. 1997, omae - volume, safety and reliability asme 1997

    由航行中的船體運動實時推算海浪譜- -方向波譜的推算[ j ] .關西造船協會志， 1987 ，第204號.李俊興譯
  6. Linear frequency modulated continuous wave ( lfmcw ) radar has many characteristics of simple structure, small volume, light weight, low cost, low transmitter peak power, short wavelength, thus it is especially suitable to be used in radar image, research of target characteristic, end control and guide, battlefield spy, scene watch etc. and more people in the world interested in it, it will have a wide prospect

    線性調頻雷達具有結構簡單、體積小、重量輕、造價低、發射峰值功率低、波長短等一系列優點，特別適合於雷達成像、目標特性研究、末制導、戰場偵察和場面監視等領域，目前已受到國內外的廣泛重視與研究，應用前景十分誘人。
  7. We, then, parameterized a semi - empirical model for the different land surface cover types. this semi - empirical model was applied to minimize the effects of the vegetation volume scattering and extinction in radar measurements

    此外，目前星載合成孔徑雷達如ers - 1 2 、 radarsat等均為單一頻率、單一極化的雷達，無法從得到的單參數雷達後向散射系數中直接提取地表土壤水分信息。
  8. Frequency source is widely used in today ' s electronic equipment and even refered as " a heart " of many electronic systems. the frequency synthesizer with a lot of channels and high frequency stability by means of theory of phase locking has almost been a necessary component in the modern electronic systems such as telecommunication, radar and electronic countermeasure. the phase - locked frequency synthesizer can be generally divided into two kinds : one is digital phase locked frequency synthesizer, the other is analog sampling phase locked frequency synthesizer. compared with the prior, the latter has many merits such as lower phase noise, samller volume, lighter weight and lower power consumption and has a wide foreground in the equipments of microwave band

    利用鎖相原理來獲得波道數目眾多、頻率穩定度很高的頻率合成器，幾乎已成為現代通信、雷達和電子對抗等電子系統不可缺少的組成部分。鎖相式頻率合成器一般分為數字鎖相頻率合成器和模擬取樣鎖相頻率合成器兩類。取樣鎖相頻率合成器與數字鎖相頻率合成器相比，具有相位噪聲低、體積小、重量輕和功耗低等優點，尤其在微波波段的電子設備中，具有廣闊的應用前景。
  9. According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation

    以吸波模型為依據，用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件，通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。
  10. Comparing to the classic radar, the phased - array rader has smaller volume, lighter weight, higher accuracy, quicker reaction, lower power wastage, broader coverage and other advantages

    與傳統雷達相比，相控陣具有體積小、重量輕、探測精度高、反應速度快、功耗低、適用范圍廣等優點。
  11. In examining the radar problem it needs to be appreciated that a radar system will usually cover a very large volume of space and will be required to supply an enormous amount of accurate information in a relatively short time

    在考察雷達問題方面，需要重視的是雷達系統通常要佔據很大的空間，同時又要求它在相當短的時間內提供大量的準確信息。
  12. The method has distinct advantages as fllows : ( 1 ) microwave radiometer itself do not radiate electromagnetic wave, so it have the attribute of concealment. ( 2 ) microwave radiometer is not directly disturbed by other eleclro - magnetic signal, and it can work in all weather condition. ( 3 ) power loss and equipment volume are greatly decreased than usual radar

    此方法具有： （ 1 ）本身不發射電磁波信號，具有隱蔽性； （ 2 ）不受到其他電磁信號直接干擾，並可以全天侯工作； （ 3 ）功率損耗和整機體積比一般雷達大大減小。
  13. Due to the higher demand of speed and precision of dsp, the intermediate frequency ( if ) digitalization receiver which is compared with analog system takes on the advantage of small volume, light weight, low cost, simple configuration, and easy integration. so that digitalization at if is current trend of communication and radar development, the traditional analog receiver is now being replaced by digital receiver gradually

    由於對信號處理的速度、精度要求不斷提高，而中頻數字接收及信號處理系統與模擬系統相比，具有易於dsp演算法編程實現、體積小，重量輕，造價低、結構簡單，易模塊化、系統配置更新快、維護升級方便等優點，所以，雷達信號接收機及處理機的中頻數字化系統近年來備受重視，已經逐漸取代傳統的模擬接收機。
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