signal comparison method 中文意思是什麼

signal comparison method 解釋
信號比較法
  • 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...
  • comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。
  2. Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms

    首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。
  3. Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given

    基於上述方法，文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分量信號進行了瞬時頻率估計，並與其他幾種常用瞬時頻率估計方法的性能以及crb進行了系統比較。
  4. The method and performance according to the requirements are resolved mostly. main contents as follows : ( 1 ) according to the demodulation guideline, a differential detection system is applied to the dpsk signal demodulator, which is based on the analysis and comparison using the principle of optimal binary signal detection

    著重解決在皮衛星體積結構，重量和功耗限制條件下的方案選擇和性能問題，具體內容包括： （ 1 ）對一般二進制信號的最佳檢測原理進行分析比較，針對本系統要求選擇了dpsk信號差分檢測系統的方案。
  5. To the single pulse angle measuring, phase comparison and phase sum - difference angle measuring method are discussed and compared. sum - difference channel modeling and simulation are made. based on system research and signal processing discussed above, some basically jamming methods are discussed and simulated

    對于單脈沖測角方法，研究了相位比較法和相位和差單脈沖測角方法，對兩種方法進行了比較並給出了和差通道方向圖的模擬。
  6. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。
  7. The methods of direction finding mainly include maximum ( minimum ) signal method, amplitude - comparison method, phase - comparison method and time difference method

    測向的方法主要有最大（最小）信號法、比幅法、比相法、時差法。
  8. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  9. And then, the vibration signal of the bearing with low speed and high load is analyzed and fault is diagnosed through wavelet transform method. seen from the comparison of the two methods, it will be difficult to diagnose fault of the bearing with low speed and high load through the former method

    通過實驗發現，小波分析對低速重載軸承的故障診斷能夠取得比較好的效果本文研究的核心是工控微機，在windows2000平臺上，軟體採用visualc + +及labview設計。
  10. The dissertation mainly aims at applying several active machine learning strategies to intrusion detection and systematically studies signal analysis techniques of intrusion detection based on statistical learning theory ( slt ), symbol inductive learning theory and genetic learning method. meanwhile, performance comparison and evaluation among intrusion detection techniques based on different machine learning strategies are presented according to computational learning theory and statistical hypothesis test methodology. intrusion detection is regarded as a pattern recognition problem in term of statistical learning theory ; i

    本文的主要工作是將目前幾種有生命力的機器學習策略應用於入侵檢測技術中，論文從入侵檢測的不同視角出發，系統深入地研究了統計學習理論、基於符號的歸納學習理論和遺傳學習方法在入侵檢測信號分析中的應用技術，並在可能近似正確（ pac ）學習框架下，利用計算學習理論和統計假設檢驗方法對基於不同機器學習策略的入侵檢測方法進行了性能比較和評估。
  11. Based on introduction of the isolated analog signal transmission, this paper made analysis and comparison of a variety of isolated technologies, and put forward a novel digital isolating method based on serial interface d / a converter

    針對系統在不同模塊之間信號隔離傳輸的問題，對各種模擬信號傳輸的方式進行了性能比較，研究了模擬數字式變換傳輸的方式的各種應用。
  12. The principle and characteristics of ofdm system are introduced first. then several key technologies of channel estimation and equalization for ofdm are discussed in detail, including pilot signal based channel estimation methods, cyclic prefix based channel estimation method, frequency domain adaptive filtering method and time domain equalization method for long channel impulse. the corresponding comparison and simulations are also provided

    文中討論了利用導頻信號的通道估計方法，利用循環前綴進行通道估計的方法， ofdm信號均衡中自適應濾波技術，及通道沖擊響應長于循環前綴時利用時域均衡減少解調器輸入信號拖尾長度的方法，分析了這些方法的原理，並通過計算機模擬驗證了這些方法的性能。
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