echo test 中文意思是什麼
echo test
解釋
回波測試-
When we evaluate the disturbed effect in ecm ' s test, in order to ensure that we can make exact commands immediately and get the exact evaluation of disturbed effect, it does the special significance that obtaining the disturbed radar ' s echo - video signal and redisplay the signal in real time
在雷達對抗試驗中，需要對干擾效果進行評估時，實時獲取被干擾雷達的視頻信號，並進行顯示，對保證試驗指揮準確及時，保證干擾效果評估的準確，都具有非常重要的意義。 -
Standard test method for measuring the p - wave speed and the thickness of concrete plates using the impact - echo method
用沖擊回聲法測量p波速度和混凝土板的厚度的標準試驗方法 -
In addition to providing the training and testing for the radar controllers, the simulator is also used not only for simulation test, but also the assessment of air traffic control procedures. starting from 2000, the ati has planned to upgrade atc echo - 2001 radar simulator
隨著訓練業務日益增加，訓練成果益見豐碩，由每年度原預估訓練人數及訓練班級數，到實際結訓人數及班級數分析表可知，本所之訓練能量已大幅提升。 -
At present, more and more people focus on the research of the synthetic aperture radar ( sar ) echo signal simulator, which is the necessary instrument for the design, research and test of sar system, and have already completed the sar echo signal simulator based on point target and simple distributed target
合成孔徑雷達（ sar ）回波模擬技術是合成孔徑雷達設計、研製和測試的必要手段。目前sar回波模擬器的研究已經成為熱點課題，且已有基於點目標和簡單分佈目標的回波模擬器系統，但國內這方面起步較晚，尚待進一步研究完善。 -
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 -
Standard test method for measuring ultrasonic velocity in advanced ceramics with broadband pulse - echo cross - correlation method
用寬帶脈沖反射交互作用法測量高級陶瓷中超聲速率的標準試驗方法 -
Ultrasonics - real - time pulse - echo systems - test procedures to determine the performance specifications
超聲波學.實時脈沖回聲系統.測定性能規范的試驗過程 -
Ultrasonics - real - time pulse - echo systems - guide for test procedures to determine performance specifications
超聲波學.實時脈沖回波系統.測定性能規范的試驗程序指南 -
It can satisfy the voip application demand at enterprise level and then performs an adjustment test according the vital factors bringing big affection to the quality of voice, such as voice quality and delay of different encoding styles, packaging capacity and delay, echo cacellation algorithm and digital voice mixture algorithm
此網關能夠滿足企業級的volp應用要求。並在此網關設備上針對對語音質量影響比較大的關鍵性因素進行了調整測試，如各類編碼方式的話音質量與延遲、組包大小與延遲、回聲消除演算法、數字混音演算法等。 -
Echo the policy of environmental government office substitute with fuel, we began with the research of l. p. g and c. n. g, and obtained purchase orders from ministry of communications entrust vehicle test board research center case
響應環保署替代燃料之政策，著手于l . p . g .及c . n . g .之研發，並取得交通部委託車輛測試研究中心專案之訂單。 -
The article has a deep study on test control technique and echo processing methods for improving the ranging precision of 3 - d laser scanner
本文對三維激光掃描儀的測控系統技術及通過對回波信號進行處理來提高測距精度的方法進行了深入的研究。 -
The spaceborne sar raw data simulator can simulate the echo of the radar, which could be used in the test of the new spaceborne sar system design
而星載sar分佈目標原始數據模擬可以模擬生成自然地面場景的雷達回波，用於新的星載sar系統的檢驗。 -
Study several algorithms : localization underground target algorithm base on step threshold of block energy 、 localization underground target algorithm base on the best automatic curve fitter 、 recognition underground metal target algorithm base on phase of target echo. test above algorithms using signal acquired on field
具體研究了:基於塊能量階梯閾值的目標檢測定位方法、基於自動最佳擬合曲線的波速測定和目標定位方法、基於目標回波峰值相位特徵的地下金屬目標識別方法。
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