echo technique 中文意思是什麼

echo technique 解釋
回波技術
  • echo : n （pl echoes）1 回聲，反響；共鳴，反映。2 重復，摹仿；摹仿者；應聲蟲。3 【音韻學】與上句末音押韻...
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. So acoustic echo cancellation ( aec ) technique has become a hotspot of competition in famous communicaton company all over the world. however, it is not always easy to implement acoustic equipments for communication system with satisfactory speech quality

    回波消除技術能有效地解決長距離電話網路、 ip電話、免提電話和視頻會議等通信系統中的回波問題，很好地改善了語音通信質量，具有廣闊的市場前景。
  2. Multibeam echo sounder system is a kind of sea bed surveying instruments which can work efficiently and accurately its development originally bases on single beam echo sounder this kind of system is very suitable for massive sea floor surveying the technique behind multibeam echo sounder system has achieved its maturity with time passage

    多波束測深系統是一種具有高效的、高測量精度的用於海底地形測繪的設備，它是在回聲測深儀的基礎上發展起來的，特別適合於大面積的掃海測量工作。
  3. Method for assessing the electrical characteristics of ultrasonic testing instrument using pulse echo technique

    採用脈沖回波技術評定超聲檢驗儀電氣特性的試驗方法
  4. Method for measurement of ultrasonic attenuation coefficient of solid by pulse echo technique

    用脈沖回波技術測量固體超聲波衰減系數的檢測方法
  5. Commonly used specification for a - mode ultrasonic flaw detector using pulse echo technique

    A型脈沖反射式超聲波探傷儀通用技術條件
  6. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統，重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  7. A high precision technique for simulating underwater target echo

    一種高精度水下目標回波模擬技術的研究
  8. Pulse echo technique

    脈沖反射法
  9. Standard test method for measurement of ultrasonic attenuation coefficients of advanced ceramics by pulse - echo contact technique

    用脈沖反射接觸技術測量高級陶瓷超聲衰減系數的標準試驗方法
  10. Chemical - shift magnetic resonance ( mr ) imaging is gradually accepted as a useful technique to distinguish benign adrenal lesions from malignant counterparts based on in - phase and out - of - phase gradient - echo pulse sequences

    摘要化學相差磁振造影中，順相及逆相脈沖序最之腫瘤訊號強度的變化，應用在臨床上分辨腎上腺良性或惡性腺瘤是有用且逐漸被接受的圖象診斷工具。
  11. Within one single source echo, both doa and time - delay can be estimated simultaneously by this algorithm via high - resolution rotational invariance technique and high - resolution time - delay frequency ( tdf ) technique. the esprit - tdf algorithm has features of low computation, good precision, and high resolution both in doa and time - delay. it is suitable for multiple source exact localization

    該方法利用高分辨旋轉不變技術和高分辨時延頻率技術，可在單次目標回波內實現多目標信號的方位和時延參數的高分辨聯合估計，具有運算量小、分辨能力強、估計精度高等特點，能夠對多目標進行高分辨精確定位。
  12. Decorrelation technique in adaptive acoustic echo canceller system

    立體聲回波對消中的去相關方法研究
  13. So acoustic echo cancellation ( aec ) technique has become a hot issue of competition in the famous communication company all over the world

    因此，回波消除技術也就成為世界各大通訊公司競爭的熱點技術之一。
  14. In chapter, the echo cancellation technique in ip gateway is studied. after that, we discuss the implement of echo canceller based on dsp

    最後研究ip電話網關上的回聲消除技術，給出基於dsp的回聲消除器的軟硬體實現。
  15. Detection. then, we compared the traditional second - order correlation technique and the high - order correlation technique, analyzed the characteristics of each them. wavelet transform is the focus of this paper. we analyzed and discuss several aspects i. e multiscale analysis, wavelet threshold denoising and wavelet energy accumulation method. with above method, we simulate in matlab, got many valuable data and conclusions. at the end of this paper, we discuss about the realizition of the echo processing system in brief

    然後在匹配濾波理論基礎上對二階互相關處理，高階統計檢測理論進行了研究，特別對三階相關做了結合實際的具體分析。小波方法是本文的重點，其中對小波多解析度分析方法，濾波去噪演算法和小波能量累積演算法幾方面進行了詳細的分析和研究。
  16. Each of such bodies as tunnel lining, road way and road surface floorslab has only one inspection face, and the shock echo method has become a new technique for detecting thickness and defects

    摘要隧道襯砌、路道、路面樓板等只有一個檢測面，沖擊回波法成為新的厚度及缺陷檢測方法。
  17. Methods for measurement of thickness by ultrasonic pulse echo technique

    用超音波脈沖回波技術測定厚度的方法
  18. General rule of ultrasonic testing of metals by pulse echo technique

    用脈沖回波技術對金屬材料進行超音波測檢的通則
  19. Testing method for ultrasonic pulse echo technique of carbon fibre reinforced plastic panels

    碳纖維增強塑料板的超聲脈沖回波技術的試驗方法
  20. Standard practice for measuring the change in length of fasteners using the ultrasonic pulse - echo technique

    使用超聲脈沖回波技術測量緊固件長度變化的標準操作規程
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