noncoherent 中文意思是什麼

noncoherent 解釋
不邊續的
  1. Finally, a kind of noncoherent - integration monopulse radar angle measuring algorithm based on square amplitude weighting method is developed, the computer simulation proves that this algorithm is prior to the common noncoherent - integration angle measuring method under all kinds of snr conditions

    最後提出一種基於幅度平方加權的單脈沖雷達非相參積累測角演算法,模擬表明在各種信噪比條件下這種方法的測角精度都優于常規的非相參積累測角方法。
  2. The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously

    該研究方案採用直接探測脈沖激光測距體制,以波長為905nm的脈沖半導體激光器作為激光光源,利用單元apd探測器進行探測,採用物空間掃描的光機掃描方式進行掃描成像,能同時獲得目標的距離圖像和強度圖像。
  3. The conclusion is identified by computer simulation. the paper studies a noncoherent demodulation based on differential encoding in mc - cdma system and makes computer simulation of ber performance compared with that of coherent demodulation based on perfect channel estimation

    研究分析了一種使用差分編碼的非相干接收mc - cdma系統,對頻率選擇性瑞利衰落通道條件下的誤碼率性能進行了計算機模擬,並且和基於理想通道估計的相干解調方案進行了比較。
  4. First, we analysize the performance of coherent and noncoherent dlls, then we give an implementation scheme of dll and a design method of carrier tracking loop. the design methods and a implemention scheme of a fir shaping filter is proposed in the fifth part

    首先分析了相干和非相干延遲鎖定環的性能,接著給出了一種dll跟蹤環路的實現方案和一種載波跟蹤環路的設計方法。第五部分介紹了一種fir成型濾波器的設計和實現方法。
  5. Such waves are said to be noncoherent.

    這種波被稱為非相干波。
  6. On the other hand, some noncoherent measurement methods can be applied to image the tissue at several centimeters depth, while the image resolution is not satisfied. therefore, focused ultrasound - modulated optical tomography has been developed and shows a promising prospect for imaging tissue in depth with better resolution

    聚焦超聲調制的光學層析方法被認為是很有應用前景的一個光層析成像領域,即用聚焦超聲標記散射光子,並從這些光子中提取該處介質的信息。
  7. Secondly, the common noncoherent - integration monopulse radar angle - measuring method is analysized in the weighting viewpoint, it is equal to the linear weighting on the result of single pulse angle measuring using signal amplitude of sum channel

    採用加權的觀點分析了常規的單脈沖雷達非相參積累測角方法,指出其實質相當于對單次脈沖測角的結果用和通道信號幅度進行線性加權。
  8. Decoying technology is effective means that deal with the anti - radiation weapon. based on the noncoherent decoy theory, a radar decoy model is established in rfss. the sixty - four - dollar question about confirming the coordinates of decoy on the array is discussed, and a mathematical model is found to deduce resolving arithmetic. finally, the simulation experiment verifies its validity. it is important to evaluate the anti - interference characteristics and research the countermeasures of anti - radiation weapon

    誘偏技術是對付反輻射武器的有效手段;在分析多點源非相干誘偏理論的基礎上,結合射頻模擬,對多點源非相干誘餌與反輻射武器的相對位置關系進行了研究,並給出了演算法,建立了模型,最後通過模擬對其進行了驗證;這對射頻模擬系統功能的完善、反輻射武器的抗誘偏性能評估的研究都具有重要的參考價值。
  9. The main results and creative points in the dissertation were as follows : a ) by means of studying on the fiber - optic hydrophones ’ tdm array based on phase generated carrier ( pgc ) demodulation with laser frequency modulation, the mathematic models were set up, used for theoretical analyses of noncoherent crosstalks in the system using low coherent laser and coherent crosstalks in the system using high coherent laser. the formulas calculating crosstalks were given, and the method measuring crosstalks was shown definitely

    本論文的主要研究結果和創新在於: 1 、通過對基於光頻調制pgc (相位生成載波)解調光纖水聽器時分復用系統的研究,針對低相干光源的串擾強度迭加和高相干光源串擾的相干迭加,建立了理論分析的數學模型,得出了計算串擾的公式,明確了測試系統串擾的方法。
  10. Noncoherent modulation system

    非相關調變系統
  11. Through the noncoherent integration of great numbers of data, and by using hough transform the features of signals in low snr ( signal - to - noise - ratio ) can be extracted. therefore, the hough transform may play an important role in the automatic track initiation and the processing of images with low snr environment

    通過大量數據的非相干積累,利用hough變換可在低信噪比下提取信號特徵,這在低信噪比自動航跡起始以及低信噪比圖像處理中有重要的應用價值。
  12. After this, this paper present the simple threshold ca - cfar detector with little reference cell number, and analyse the relationship between the detection probability and noncoherent integration number, reference cells, then the relationship curve and an analysis is also given. finally, the thesis simulate the signal processor and cfar algorithm, discussed results are proved to be correct

    文章最後將產生的目標及雜波數據送入信號處理機的模擬系統,對其進行信號處理及恆虛警檢測的模擬,給出了模擬結果,對模擬結果進行了詳盡的分析討論,驗證了本文信號處理及恆虛警演算法的正確性。
  13. Performance analysis of coded noncoherent hybrid ds - sfh spread spectrum communication systems

    擴頻通信系統性能分析
  14. In chapter 3, two robust noncoherent chaotic digital modulation schemes are in detail described

    2 、本文第三章給出兩種性能較好的數字鍵控通信方式。
  15. The principle of double cladding fiber laser is analyzed, simply illustrated the principle and drawbacks of noncoherent beam combination, the coherent beam combination method of multiple optical power amplifier and its advantages are discussed in detail

    分析了雙包層光纖激光器的工作原理,簡單介紹了非相干組束的原理和缺陷,重點闡述了並聯主振蕩相干組束方法及相干組束的優勢。
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