This paper makes an analysis of the Doppler speed charts of clear weather and the echoes of large-area precipitation. It also singles out the Doppler speed charts of typical wind fields. In addition, this paper analyzes Doppler radars detecting process of the strong convection current weather system. It also conducts a thorough analysis of Doppler echo features of some hazardous weather, such as cell storm and downward storms. Based on this research and analysis, the paper reaches some important conclusions concerning the detecting methods using Doppler radar and the analysis of the information gathered by Doppler radar.

本文通過(guò)分析晴空和大面積降水回波的多普勒速度圖像，歸納總結(jié)出了典型風(fēng)場(chǎng)的多普勒速度圖象免费在线看欧美三级片，并著重分析了多普勒雷達(dá)對(duì)嚴(yán)重危害飛行安全的強(qiáng)對(duì)流天氣系統(tǒng)的探測(cè)偷拍偷窥网，特別是深入分析了超級(jí)單體風(fēng)暴、下?lián)舯┝鞯葹?zāi)害性天氣的多普勒回波特征欧美国产日韩激情视频，得出了多普勒雷達(dá)對(duì)災(zāi)害性天氣進(jìn)行探測(cè)的方法成人无码秒播在线观看视频免费、雷達(dá)資料分析應(yīng)用等方面許多有益的結(jié)論。

Based on the radar dense data of convectional cloud on June 12,2004 in Yongdeng county,choosing two similar convectional clouds as seeding and non-seeding cloud,the remarkable changes of radar echo parameters of the seeding cloud compared with the non-seeding cloud were discussed in this paper,and the rain enhancement effect was evaluated primarily with ground observational rainfall data.The results show that many aspects of the seeding cloud,such as precipitation,life characteristic and vertical characteri...

利用2004年6月12日甘肅省永登縣雷達(dá)觀測(cè)對(duì)流云的加密資料国产日韩入口一区二区三区，選取了2次相似對(duì)流云過(guò)程分別作為目標(biāo)云和對(duì)比云亚洲欧美日韩色图，探討了目標(biāo)云作業(yè)前后較對(duì)比云雷達(dá)回波有關(guān)參數(shù)的顯著變化，并結(jié)合地面雨量點(diǎn)觀測(cè)資料對(duì)地面人工增雨作業(yè)效果進(jìn)行了初步分析免费看的国产区视频，結(jié)果表明：目標(biāo)云在降水、生命期特征亚洲v欧美v日韩Ⅴ中文字幕、回波垂直特征參數(shù)變化方面波多野结衣性爱视频，表現(xiàn)出作業(yè)前后較對(duì)比云存在明顯差異2020精品极品国产色在观看，目標(biāo)云作業(yè)40 m in后地面產(chǎn)生0.6 mm降水，而對(duì)比云則從新生發(fā)展到減弱消散階段經(jīng)歷較短的時(shí)間(30 m in)国产精品免费一区二区久久，地面并無(wú)降水產(chǎn)生88888888视频欧美，從而推斷本次人工增雨達(dá)到了一定的預(yù)計(jì)效果。

At the same time, new information about the underwater target can be got and the detectability can be increased.

在機(jī)載激光探測(cè)水下目標(biāo)過(guò)程中国产精品99久久精品2020，若采用偏振激光代替激光脈沖進(jìn)行探測(cè)可观看的黄色网站，不但可以壓縮回波信號(hào)的動(dòng)態(tài)范圍，減少水面回波的影響张津瑜落地窗国贸，而且還能增加新的信息和可探測(cè)性精品熟女综合网。

Back a car radar uses principle of ultrasonic range finding commonly, below the control of controller, transmit ultrasonic signal by sensor, when encountering fraise, generate echo signal, controller of the classics after sensor receives echo signal undertakes data processing, judgement gives the seat of fraise, by show

倒車?yán)走_(dá)一般采用超聲波測(cè)距原理，在控制器的控制下欧美日韩色一区二区三区视频，由傳感器發(fā)射超聲波信號(hào)久久久久精品三级三级，當(dāng)碰到障礙物時(shí)，產(chǎn)生回波信號(hào)性爱小视频欧美，傳感器接收到回波信號(hào)后經(jīng)控制器進(jìn)行數(shù)據(jù)處理国产精品视频网站免丝袜、判定出障礙物的位置，由顯

The methods of Spaceborne SAR simulation for the back signal of the natural ground and sea scene are investigated in the paper.

中文摘要：本文對(duì)星載SAR地面場(chǎng)景和海面場(chǎng)景的回波仿真進(jìn)行了研究，綜合了現(xiàn)有的比較好的方法，給出了星載SAR地面場(chǎng)景和海面場(chǎng)景的回波生成的系統(tǒng)步驟和實(shí)現(xiàn)方法欧美在线精品一区二区三区。

Methods Special MR hydrography sequence was added to the MR imaging protocols of 112 patients undergoing MR examination of the thorax and upper abdomen. MR imaging sequences included;① Respiratory-gated HASTE T2W sequence;② Breath-hold FLASH TJW sequence;③ Respiratory-gated TSE 3D F2W sequence (3D MR hydrography sequence) in coronal plane.

對(duì)112例接受胸部和上腹部MR檢查的病例加作MR水成像序列即呼吸門控快速自旋回波 3D T2W序列以顯示乳糜池和胸導(dǎo)管午夜理论在线，掃描序列包括：①呼吸門控半傅立葉單次激發(fā)快速自旋回波T2W序列：②屏氣快速小角度激發(fā)T1W序列；③呼吸門控TSE 3D T2W冠狀位掃描黄色视频一区二区三区免费在线观看。

Methods Special MR hydrography sequence was added to the MR imaging protocols of 112 patients undergoing MR examination of the thorax and upper abdomen. MR imaging sequences included:①Respiratory-gated HASTE T2W sequence;②Breath-hold FLASH T1W sequence;③Respiratory-gated TSE 3D T2W sequence (3D MR hydrography sequence) in coronal plane.

對(duì)112例接受胸部和上腹部MR檢查的病例加作MR水成像序列即呼吸門控快速自旋回波3D T2W序列以顯示乳糜池和胸導(dǎo)管，掃描序列包括：①呼吸門控半傅立葉單次激發(fā)快速自旋回波T2W序列；②屏氣快速小角度激發(fā)T1W序列A毛片在线导航；③呼吸門控TSE 3D T2W冠狀位掃描。

Short TR, short TE spin echo or short TI, short TE composite inversion recovery (IR spin echo images are used to demonstrate the high signal that develops at some time after the ictus, as early as 10 hours but typically 2-3 days, and persists for a variable length of time, from a few weeks to a few months.

短TR亚洲天堂av天堂草，短TE回波脈沖(或短TI久草视频一区二区在线观看，短TE 整合反轉(zhuǎn)恢復(fù)回波脈沖)影像主要用于顯示高信號(hào)，這種信號(hào)常是病變爆發(fā)后產(chǎn)生亚洲中文AⅤ中文字幕每天被，最早10小時(shí)欧美疯狂黄片，但典型是2-3天。并且高信號(hào)可持續(xù)幾周甚至幾個(gè)月人人摸一人人操。

We use a different transmission method where binary Golay complementary pairs are sent simultaneously on the inphase and quadrature parts of the subcarrier, and compare the performance with existing method. Using our method, the radar obtains a pair of Golay sequences from only one echo, which reduces the ambiguity function sidelobes when the reflected signals are partially received, and fully exploits the property of Golay pairs.

我們采用將二位元格雷互補(bǔ)對(duì)以復(fù)數(shù)組合精品女人视频一区，發(fā)射時(shí)以調(diào)變正交載波的方式同時(shí)傳送，并且將一個(gè)時(shí)段同時(shí)傳送格雷互補(bǔ)對(duì)之方式https://cao127.com，與一個(gè)時(shí)段僅傳送一個(gè)二位元格雷互補(bǔ)序列比較欧美日韩图自拍图片大全，可使雷達(dá)僅接收一個(gè)回波即可得到一對(duì)格雷互補(bǔ)序列，以降低回波部份接收時(shí)之混淆函數(shù)旁峰，使格雷互補(bǔ)對(duì)之特性充分發(fā)揮欧美性爱国产视频。

According to short term monitoring data, it appears that the new cell echo before the radar echo is advantage for the development and maintenance of the squall line. And the initialization of new cell is associated with boundary-layer convergence line. As a result, mesonet data is useful fur to research on squall line.

從短時(shí)監(jiān)測(cè)的資料分析狂插美女女阴道动态，颮線發(fā)展過(guò)程中，雷達(dá)主回波前方的新生的回波單體對(duì)颮線發(fā)展和持續(xù)十分有利91视频人妻，而它的新生與邊界層的輻合線相聯(lián)系黄片爆草中文字幕，因此，充分利用中尺度地面觀測(cè)資料有助于颮線的發(fā)展研究免费毛片视频网站在线播放。