An accelerated acoustic echo cancellation algorithm is proposed in this paper based on Parallel Subgradient Projection technique.

摘要該文在并行次梯度投影技術(shù)(Parallel Subgradient ProjectionA级毛片不卡视频，PSP)的基礎(chǔ)上青清草视频，提出一種加速回波抵消算法日韩妓女精品影院视频在线。

Based on bat sonar technology and pattern classification, a texture classification system was set up to classify three types of texture: pasteboard, foamboard and woodboard.

在蝙蝠的回波定位和目標(biāo)識別模型的基礎(chǔ)上完成了目標(biāo)材質(zhì)識別的工作在线日韩素人自拍网站免费观看视频。

Based on radar backscatter theory and scatter point model,aimed at the same frequency vibration scatter point of radar target,radar echo universal model is derived and the periodicity of amplitude modulation function and phase modulation function is researched at length.

基于雷達(dá)后向散射理論和散射點模型日韩美女精品一级视频，針對雷達(dá)目標(biāo)的同頻振動散射點黄色视频大色，詳細(xì)推導(dǎo)并建立了雷達(dá)回波通用模型欧美很黄C视频，對其幅度調(diào)制函數(shù)和相位調(diào)制函數(shù)的周期性進行了詳細(xì)的討論。

At last,simulation research is carried out on radar echo of two same frequency vibration scatter points.Theoretical annlysis and simulation result indicate that the model is effective and that the periodicity of amplitude modulation function and phase modulation function is invariable as the number of scatter points increased,but,their amplitudes are variational.

最后對兩個同頻振動散射點合成雷達(dá)回波進行了計算機仿真研究www、9557pm、com，理論分析和仿真結(jié)果表明国产精品yy9299在线观看，該模型是有效的，并且隨著同頻振動散射點數(shù)的增加色偷偷人妻系列，其幅度調(diào)制函數(shù)和相位調(diào)制函數(shù)的周期性不發(fā)生變化在线观看免费国产小视频，只是它們的值會隨著振動點數(shù)的增加而改變。

Researching different hardware and different adaptive algorithm is a primal methodology to solve the problem of acoustic echo canceling.

為了提高回波消除的質(zhì)量久久黄色一级视频丶一，探索不同的硬件實現(xiàn)方法和不同的自適應(yīng)算法是解決這一問題的主要途徑男女一级做a爱过程免费视频。

The system chart of designing a weather radar with SZ phase code is listed, the principal and coding series of this kind of SZ phase code is illustrated.

首先給出了該方法應(yīng)用到某氣象雷達(dá)上所采用的系統(tǒng)框圖；然后介紹了SZ相位編碼的原理和編碼序列以及基于這種編碼給出了氣象雷達(dá)解距離模糊算法的詳細(xì)流程国产免费A∨片在线观看不卡，并著重介紹了頻譜重構(gòu)的頻域處理方法欧美一级A片欧美黑人级别A片；最后給出了用該方法同時解出一次和二次氣象回波的Matlab仿真，結(jié)果表明該方法對平均速度的估算較為準(zhǔn)確国产中文字幕乱人伦在线观看。

The observational result shows that this Quadrantid meteor shower occurs between 0000 to 0800 local time in January 4, 2004, with meteor echoes peaking at 0400 local time. Moreover the meteor shower radiant derived from the meteor echoes plane, which is formed by the whole meteor echoes observed by the meteor radar during this shower, accords well with the theoretic radiant of this meteor shower.

從觀測結(jié)果可以發(fā)現(xiàn)此次象限儀座流星雨發(fā)生在2004年1月4日的0000-0800LT亚洲无码黄色网站，其中流星峰值出現(xiàn)在0400LT，而且通過流星雷達(dá)觀測到的流星雨期間的流星回波平面推測得到的流星雨輻射點也與該流星雨的理論輻射點位置對應(yīng)非常好亚洲色图综合图区。

Radarscope shows return pip.

圖一：脈沖離開天線偷拍乱操视频，目標(biāo)反射，回波返回欧美老熟妇乱偷高清播放，雷達(dá)示波器顯示光斑久久精品国亚洲A∨麻豆。

Using a neural network algorithm to establish a typhoon rainfall model and to seek the nonlinear relations between the relevant parameters and rainfall intensity is a rational approach. The rainfall data used in this study include rain gauge data and radar data, and is able to reflect the spatial distribution of the precipitation pattern.

雷達(dá)具有空間偵測能力，利用地面雨量計的雨量資料與雷達(dá)回波的資料欧美日韩国产成A免费网站，可以將空間中的降雨分布趨勢表示出來亚洲综合另类图片久久；本研究當(dāng)中所決定的臺風(fēng)降雨因子是根據(jù)過去相關(guān)研究文獻所整理出來，而這些臺風(fēng)降雨因子是否能完全模擬臺風(fēng)降雨的機制欧美性爱第一页在线播放，尚待觀察韩国成人三级a影院在线播放。

The locomotive direction of typhoon was the same with that of the most intense spiral rainband.

食指狀和"人"字形的外螺旋雨帶、螺旋雨帶最大回波強度區(qū)的移動與臺風(fēng)前進方向一致免费A片一区,二区,三区。