For active acoustic homing torpedo, reverberation is the main interfere.

混響是主動(dòng)聲自導(dǎo)魚(yú)雷的主要干擾色性久久久久性爱久电影女性爱，混響的建模與仿真對(duì)于研究魚(yú)雷聲自導(dǎo)系統(tǒng)具有重要意義。

Acoustic homing torpedo ; reverberation ; space time adaptive processing ; target detection

聲自導(dǎo)魚(yú)雷黄片视频免费看；混響国产原创资源网站；空時(shí)自適應(yīng)處理（STAP ；目標(biāo)檢測(cè)

Therefore,the application of space-time adaptive optimization method to active acoustic homing torpedo is studied, and the conventional method is improved by restraining the side lobe reverbereration and main lobe reverberation with self Doppler null method.

在此基礎(chǔ)上研究了空時(shí)最優(yōu)處理方法在主動(dòng)聲自導(dǎo)魚(yú)雷中的應(yīng)用首页国产欧美日韩丝袜，通過(guò)壓低旁瓣減少旁瓣區(qū)混響和自身多普勒零陷抑制主瓣混響等措施對(duì)傳統(tǒng)方法進(jìn)行了改進(jìn)欧美一级a在线视频观看。

Aiming at forecasting the torpedo acoustic homing range for actual targets under real water conditions, this paper summarizes the typical water conditions in different sea spaces and seasons, presents a forecast method of torpedo acoustic homing range, and establishes a transmission loss forecast model based on the ray acoustic theory and a reverberation level forecast model based on the cell scattering model.

針對(duì)真實(shí)水文條件下魚(yú)雷聲自導(dǎo)對(duì)實(shí)際目標(biāo)的作用距離預(yù)報(bào)問(wèn)題，總結(jié)了不同海域91.插插插、不同季節(jié)的典型水文條件欧洲黄色在线观看，提出了魚(yú)雷聲自導(dǎo)作用距離預(yù)報(bào)方法，以射線聲學(xué)理論為基礎(chǔ)建立了傳播損失預(yù)報(bào)模型www.性爱小视频，以單元散射模型為基礎(chǔ)建立了混響級(jí)預(yù)報(bào)模型天堂男人在线视频。

Reverberation is dependent only on the volume of a space and the acoustically absorptive quality of the rooms finishes.

混響是依賴(lài)于空間體積只有一個(gè)房間的裝飾和聲學(xué)吸收品質(zhì)的影響。

Results Compared with conventional ultrasound,sonoCT could suppress the reverberation artifacts in bile duct and gallbladder obviously.Lateral boundaries and adumbration of the carcinomas were improved,resolution of internal structure echos also enhanced.

結(jié)果 與傳統(tǒng)聲像圖比較女同性互吃奶头视频免费看，膽管美女免费黄网、膽囊腔內(nèi)混響偽像明顯減弱，提高了腫瘤輪廓的清晰度在线精品国产女，增強(qiáng)了病灶內(nèi)部結(jié)構(gòu)與回聲的分辨率在线无码91超碰，增加了超聲診斷膽道腫瘤的可信度。

The artistic feature of the Love of the City is in the style of parallel antithesis, its structure of open reverberation of climax from anti-climax.

在創(chuàng)作藝術(shù)上黄色永久免费在线网址，《傾城之戀》采取了參差對(duì)照的手法av在线免费关看免费在线，結(jié)構(gòu)則顯示了非封閉性回環(huán)特征，在高潮中沉入反高潮的淵底午夜三级片免费在线观看。

L Professional digital Karaoke reverberation system, available for 2 microphones connections. Perfect performance embodied for either antistrophe or duo. Plus, the imported original digital time-lapse apparatus will definitely enjoy your sweet singing and have more fun. You have a perfect machine that brings you rejoicing of Karaoke of tour sound from Home Theater and Room of Entertaining.

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The original method to confirm reverberation time in designs is to use computational formula W .

最初在設(shè)計(jì)中確定混響時(shí)間的方法是利用W·C·賽賓在本世紀(jì)初提出的計(jì)算公式欧美a片网止。

To do that, we need reverberation, or as I put it, the echo problem.

要實(shí)現(xiàn)真實(shí)的聲音環(huán)境青海三级片，我們需要回響，或者用我的話(huà)說(shuō)中文字幕乱码一区二区久久，回音問(wèn)題久久的了黄视频了。