查询词典 echo

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有：分析了现有的一些动目标的检测方法；详细研究了SAR动目标检测的原理；分析了SAR成像理论和运动目标的回波模型；探讨常规SAR成像时，目标运动引起的多普勒质心和调频率变化，以及这些变化对成像结果的影响；介绍了多普勒参数的估计方法；分析了DPCA原理，推导所需要的基本公式，并仿真验证其有效性和实用性；提出了结合DPCA和ATI优点的改进DPCA算法，并仿真验证；探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析，本文提出的方法具有一定的指导意义和参考价值。

It also features dials for input volume, intensity, repeat rate and echo volume tone.

BOSS DM-300它还采用拨号的输入量，强度，重复率和回声量基调。

Sub-band Adaptive Filtering algorithm is a major method to deal with the acoustic echo cancellation problem with long reverberation time.

子带自适应滤波算法是处理长阶声学回声抵消问题的重要方法之一。

The program is equipped with distortion, echo and reverberation modules and several samples.

该软件是带有失真，回音以及回响模块和若干采样的装备。

It includes the following effects: wah-wah, sustain, distortion, reverberator, echo, delay, tremolo, vibrato, and chorus/flanger.

它有以下效果：wah-wah，持续，失真，反射器，回声，延迟，颤音，和合唱。

We carry forward and cultivate it in order to echo the international challenge ,insist on national character ,independence and initiative character of culture ,strengthen the national cohesion and defend the profit of country ,and build the socialism characteristic of the Chinese character and realize the great revivification of the Chinese nation .

弘扬培育民族精神具有重要的时代意义，是回应全球化挑战，坚持文化的民族性、独立性、自主性的需要；是增强民族凝聚力，维护国家主权安全的需要；是建设有中国特色社会主义，实现中华民族的伟大复兴的需要。

Results The smoke-like echo was found in 90.1%of the patients with rheumatic heart disease and thrombosis in 30.5%of them.

评实PTS的存在并探讨其在血栓栓塞过程中的作用。

Its riffle touched my heartstrings deeply.and leave echo,just like hugs.

它的涟漪深深波及心弦，总会留下反响，宛若拥抱。

He has the ability to use echo-location to walk around, to get himself around, as you saw him roller blading.

他有能力用回音来辨位走路，让自己走来走去，就像他溜直排轮一样。

The Toyota Echo is a vehicle that is roomy, reliable, and economical.

丰田回声是一个车辆是宽敞，可靠和经济。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。