非調期波 的英文怎麼說

中文拼音 [fēidiào]
非調期波 英文
non-periodic wave
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 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...
  1. This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target

    本論文是『九五』軍事預研項目「低截獲概率雷達形研究」的擴展與深入,同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上,構造了一種新的偽隨機fsk / psk復合調制信號及其完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號,以獲得對所探測目標信息的強探測。
  2. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢,可以利用線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的線性極化張量都是d _ ( 33 ) ,其有效線性系數高出普通線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周,通過周設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為線性光學材料和固體激光器的研究熱點之一。
  3. In xenopus embryonic extracts camp concentration and pka activity also oscillations accompany with the cell cycle, low in mitosis and increased during m / g1 transition, keep high until next mitosis, and the mechanism concern with the cdc25 phosphorylation state and cyclin b concentration. mouse fertilized egg is the most simple and natural model for cell cycle that near to human, but little is know about pka on mpf also pka on mitosis

    通過對洲爪贍胚胎細胞周的研究發現jka活性也隨細胞周變化而動,在m出現時pka活性下降,而m間轉換時pka活性達最大值,一直維持高值直到下一個m出現,其對mpf活性調節與cdc25磷酸化狀態及周素b表達有關。
  4. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯線性cnn系統模型,得出方程單調解存在,並將速c r分成若干個區間,得出c在各個區間時行解曲線相應的類型包括單調、衰減振動、周振動、無界等類型。
  5. 1 in the research of design of radar waveform, one kind of hybrid radar waveform obtained by combining the chirp waveform with the non - periodic pseudorandom sequences is discussed. through the theoretical analysis and computer simulation, several main characteristics of this kinds of hybrid waveforms are discussed, such as the ambiguity function, ambiguity graph, the spectrum, the weighting methods, the response of the processing filter and the low probability of interception. those are showing the effectiveness of the new hybrid waveforms on the performance of high resolution and low probability of interception

    作者在以下幾個方面的研究工作中取得了進展及創新: 1 、在雷達形設計中,介紹了一類新的線性調頻信號與隨機編碼信號相結合的組合形的組合形式,通過理論分析和大量的計算機模擬研究了這類組合形的模糊函數(圖) 、頻譜特性、多普勒頻移特性、加權輸出特性、低截獲等方面的特點,證明了新型的組合形在高分辨、低截獲等方面的有效性。
  6. Using rs can rapidly finish the ecological investigation in different scales and analysis the ecological environment information in different period that it " s difficulty with general investigation, with its characters of multiplatform, multiband, multitemporal and its macroscopic and integrality. and when collecting, saving, drawing, changing, showing and analyzing the huge spatial data, the cis act the very important function as a very effective computer tool

    遙感技術以其多平臺、多段、多時相宏觀綜合的特點,能便捷地完成常規方法很難實現的大、中尺度的生態調查研究和進行不同時的生態環境信息的對比分析;地理信息系統作為一個極為有效的計算機工具,則在收集、存儲、提取、轉換、顯示和分析這些容量龐大的空間數據時起到了常重要的作用。
  7. The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated

    具體研究如下三個方面的內容:周分佈放大系統中孤子的傳輸特性和相互作用;在零邊界條件下孤子解的存在形式並解釋均勻光纖中光脈沖的調制不穩定性以及孤子在連續背景中的傳輸特性;討論多個光場同時在光纖中傳輸的耦合均勻線性薛定諤方程並詳細研究孤子間的彈性相互作用。
  8. While it would not be wise to attempt to lay down criteria for making these judgements, it would be unreasonable to expect us to stand on the sidelines if credible evidence emerges of mounting instability in the market or conditions that prevent smooth interest rate adjustments

    雖然仔細定下達至有關判斷的準則並明智之舉,但若有實在證據證明市場的動程度正在加劇,或出現妨礙利率順利調節的情況,則大家不可能望我們袖手旁觀。
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