In traveling through the sea, an underwater sound signal is affected by many factors and takes much information of the ocean.

水聲信號在海洋中傳播時受到各種海洋環(huán)境因素的影響A级毛片久久精品免费看，攜帶了大量的海洋環(huán)境信息午夜亚洲黄色视频。

In this thesis, a mathematical model of multi-path channel is established by using the theory of ray acoustic to simplify the physical of underwater sound channel.

本文利用射線聲學的方法欧美综合色网站，簡化了水下聲信道的物理問題本费黄片免费小视频，構造出一種多途信道的數(shù)學模型色人人操。

It shows that the presence of concentration gradient in the process of dissolving is the main factor influencing the underwater sound attenuation.

結果表明污免费视频在线观看网址，梯度高分子溶液濃度梯度的形成是聲衰減效果好壞的關鍵。

This article has mainly studied take the tank experiment as the background military underwater sound metering equipment mechanical and electrical control system.

本文主要研究了以水池試驗為背景的軍用水聲測量儀器機電控制系統(tǒng)插逼网址。

An underwater sound simulation system is built based on the High-Level Architecture.

將系統(tǒng)仿真的思想引入海洋聲環(huán)境場的仿真日韩综合在线视频，運用HLA的思想建立了系統(tǒng)仿真模型，設計了海洋環(huán)境仿真中的對象類亚洲国产精品一区二区玖玖爱、交互類以及各聯(lián)邦成員實現(xiàn)的邏輯流

By analyzing and processing the underwater sound signals received on the array, we can get the parameters of ocean environment.

海洋聲層析技術通過分析處理水聲接收基陣接收到的海洋信道中的水聲信號來反演海洋環(huán)境參數(shù)国产精品视频一区二区三区手机版，這種方法方便、高效并且可以進行長時間的大范圍連續(xù)監(jiān)測唐人呦一呦二在线播放，與傳統(tǒng)的直接測量的方法相比有明顯的優(yōu)勢女性自慰A级毛片。

The model of underwater sound warfare impact the viability of ship in formation of ship highly.

水面艦艇編隊水聲對抗模型的正確與否直接影響到編隊內艦艇的生存能力。

Finally, aluminium alloy foam specimen with different structural parameters were made to investigate the variation of underwater sound absorption coefficient.

最后7777视频，本文利用前面得到的低壓滲流法的較佳的工藝參數(shù)十八禁止观看黄色网站，制備了不同結構參數(shù)的泡沫鋁樣品，并研究了樣品的水下聲吸收系數(shù)的變化規(guī)律日本啪啪网午夜啪啪网网站。

Advantages of power operational amplifier in underwater sound transmitter and problems of power opertional amplifier with reliability and stability in application are described.

描述了功率運放在水聲發(fā)射機方面的特點国产白色视频在线观看2，探討了功率運放在應用中可靠性和穩(wěn)定性等方面的問題，給出了發(fā)射機應用實例一级欧美一级日韩片野外。

Underwater sound communication is quite effective for joint tactical actions of submarines with other sub and / or surface ships.

水聲通信系統(tǒng)對于水面戰(zhàn)艦和潛艇之間国产浮力网，以及潛艇和潛艇之間的聯(lián)合戰(zhàn)術動作時非常有效的。