signal detection and estimation 中文意思是什麼

signal detection and estimation 解釋
信號檢測和估計
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • detection : n. 1. 探知；發現，發覺；敗露。2. 【化學】檢定，檢查；【電訊】檢波。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • estimation : n. 1. 估計，評價。2. 預算，預算額；概算。3. 尊重，尊敬。4. 意見，判斷。5. 【化學】估定；測定。
  1. The major researches in this thesis include : applying the digital signal processing technology and theory of signal detection & estimation to estimate carrier frequency of the sensing signal that reflects the measurand ; implementing the algorithm in labview, a virtual instrument development platform

    本文的主要研究內容是：運用數字信號處理技術和信號檢測、估計的基本原理從無源、無線saw諧振器型傳感器的傳感輸出信號中提取出反映被測量的信號主頻，並在虛擬儀器軟體開發平臺labview上實現了測量演算法。
  2. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  3. On the basis of study of fractional fourier transform and its digital computation, the main aim in this paper is to study the applications of fractional fourier transform in lfm signal detection and parameter estimation, to research filtering of lfm signal in the fractional fourier domain and the digital image watermarking in the fractional fourier domain

    本文以研究分數階fourier變換的基本理論與應用為目標。在深入分析分數階fourier變換原理和數值實現的基礎上，對lfm信號的檢測與參數估計， lfm信號的分數階fourier域濾波，以及二維分數階fourier變換在數字圖像水印中的應用作了研究和模擬實現。
  4. Analysis of ambiguity - function of lfmcw radar, including symmetrical triangular lfmcw signal and multiple periods ’ symmetrical triangular lfmcw signal. 3. this dissertation advances new theories of lfmcw radar signal detection and estimation, including method for acceleration and velocity estimation based on polynomial phase transform ; method for multi - target acceleration and velocity estimation based on modification polynomial phase transform

    包括基於多項相位變換的lfmcw雷達速度和加速度估計方法;基於修正多項相位變換的多目標lfmcw雷達速度和加速度估計方法;基於一般高斯噪聲環境下的lfmcw雷達速度和加速度聯合估計方法;另外提出了基於頻域增采樣內插方法以提高lfmcw雷達測距精度。
  5. Mainly this paper discusses applying time - frequency analysis in several questions, including estimation of doppler parameter imaging of sar, detection of moving target and estimation of direction of arrival in array signal processing

    本文討論了時頻分析在合成孔徑雷達成像中的多普勒參數估計的應用、時頻分析在動目標檢測中的應用以及它在信源來波方向估計中的應用。
  6. The detection and parameter estimation based on high - order statistics are another approach for ds - ss / bpsk signals. in this paper, a sort of detectors based on fourth - order statistics slices are presented to detect the presence of signal and estimate the carrier frequency and symbol period of ds - ss / bpsk signal

    高階統計分析技術是檢測直接序列擴頻信號的另一途徑，本文提出了一類基於和四階統計量切片的ds - ss / bpsk信號的檢測與參數估計方法。
  7. The theory research on the detection and estimation chip rate and period of pn sequence in low signal to noise ratios ( snr ) are accomplished in order to put it into realization

    本文以工程應用為目的，對低信噪比情況下直擴信號的檢測和pn碼速率和碼周期估計進行了理論研究。
  8. In this paper, according to the theory of signal detection and estimation, the optimal receiver pattern of pn code signal is introduced and theoretically, the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated

    根據信號的檢測和估計理論，文中分析了數字相關器實現偽碼信號接收的最佳模型，從理論上計算了在不同的虛警概率下，檢測概率隨輸入信噪比的變化曲線，並分析了doppler效應對偽碼相關接收的影響。
  9. The results show that the technique can be effectively applied to such problems in gpr signal processing as detection and time delay estimation

    分析結果證明，這種方法可以有效地用於目標檢測，時延估計等脈沖探地雷達信號處理中的關鍵問題。
  10. For fh signals, we proposed two algorithms too, one is a signal detection algorithm based multiple - hop autocorrelation ( mhac ) of fh signals, and the other is a parameter estimation algorithm based on time - frequency analysis

    對跳頻（ fh ）信號，本文提出了基於多跳自相關的信號檢測方法和基於時頻分析的跳頻參數估計方法。
  11. Chapter 7 introduces and analyzes some timing error detection and feed - forward timing recovery algorithms for gmsk signal. the auto - correlation method is improved by using a post - filter. simulation results show that the improved method has better estimation accuracy

    首先分析比較了常見的gmsk符號同步的定時誤差檢測器演算法和前向定時參數估計演算法，並用后濾波的方法對定時參數估計的自相關法提出了改進，提高了演算法的估計精度。
  12. The use of chaos in signal processing, communication and control has been a very active area of research in recent years. since chaos is a deterministic complex phenomenon, it opens up a new field for signal processing. this dissertation focuses on developing efficient algorithm for signal detection, parameter estimation of radar and also on radar signal generator

    本文研究屬于基於混沌的應用研究，主要從雷達信號檢測、參數估計、波形設計和圖像處理的數字水印四個方面較全面地討論了混沌理論及相關技術在信號處理系統中應用的可能性，探討了相應的信號處理演算法和實現過程。
  13. Based on the analysis of echo signal and ambiguity function of lfmcw radar, this dissertation advances new theories of lfmcw radar signal detection and estimation and eliminates range - velocity coupling using mtd - frequency domain pairing

    在對lfmcw雷達回波信號和lfmcw雷達模糊函數進行分析的基礎上，提出了lfmcw雷達目標檢測與參數估計方法，並利用mtd -頻域配對法消除lfmcw雷達距離-速度耦合。
  14. Finally, the paper studies the dsss signal detection and its parameter estimation in non - cooperative communication using the strong self - correlation of spread spectrum sequence. these parameters are the carrier frequency, baud period, chip period and chip sequence

    最後，利用擴頻序列的強自相關特性，研究了直接序列擴頻信號在非協作通信中的檢測和參數估計問題，研究的參數包括:載頻、符號周期、碼片周期和擴頻碼序列。
  15. Recent researches have showed that sea clutter can be modeled as chaotic dynamic. local prediction technique is used for detection and estimation problem in chaotic environment for radar signal processing

    提出了一種基於神經網路的信號檢測方案；信號檢測解決了信號的有無判斷問題，而參數估計則是要解決信號參量的確定問題。
  16. Recently years, the hot research directions of signal processing concentrate on the new theories of lfmcw radar signal detection and estimation, the new methods of eliminating range - velocity coupling, etc. a series of accomplishments have been achieved

    當前， lfmcw雷達信號處理的研究熱點集中在目標檢測與參數估計方法、運動目標距離-速度去耦合方法等方向上，並已取得一系列成果。
  17. Signal detection and estimation

    信號檢測和估計
  18. First, the definition and properties of hos are introduced. we especially notice that hos is insensitive to gaussian process. this is the theoretical basis of signal detection and estimation

    文章首先介紹了高階統計量的定義和性質，特別指出了高階統計量對高斯過程不敏感，這是我們利用它進行信號檢測和估計的理論依據。
  19. This thesis introduces the design mode of the system, acoustic signal detection and estimation methods, how to position and solve, etc. others discussed in the thesis include software and hardware realization of buoy electrical platform and base station synthesizer, and module design of controlling application

    文中介紹了整個系統的設計模式，聲信號檢測與估計的手段，定位解算的方式，並且對浮標電子平臺、基站綜合處理機的軟、硬體實現及主控軟體的模塊化設計也進行了論述。
  20. They are almost based on the theory of conventional detection and estimation. so when the signal to noise ratios of the received signals becomes lower, the performance of these methods take a turn for the worse, and these methods don ’ t work

    這些方法大多基於常規信號檢測和估計理論，對于寬帶微弱的ds信號，當信噪比較低時，這些估計方法的估計性能急劇惡化，不能得到有效的估計結果。
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