However,the spectrum analysis method cannot reflect the evolution of the HF backscatter in time domain.

傳統(tǒng)的譜分析方法亚洲国产精品激情一区二区，無法反映回波信號在時間上的演化規(guī)律中文字幕乱码电影免费一二三区。

This conclusion will be of much significance in the target detection and ocean sensing of HF radar.

這一結(jié)論對高頻雷達目標(biāo)探測和海態(tài)遙感研究都具有重要意義91大片。

This research makes progress in HF radar area.

本研究為進一步完善地波超視距雷達探測的功能提供了新的方法黄片www欧美视频。

This study sought to evaluate the association between moderate alcohol consumption and incident HF.

此研究試圖評估適當(dāng)飲酒與心衰事件之間的聯(lián)系。

Like all JTRS Operational Requirement Document waveforms in the 2 MHz to 2 GHz frequency range, the UHF SATCOM and HF waveforms can run in any of the GMR system's four reprogrammable Universal Transceivers.

同所有聯(lián)合戰(zhàn)術(shù)無線電波形需求在2MHz到2GHz之間一樣国产极品粉嫩的馒头一线天，超高頻衛(wèi)星通信和高頻波形能夠在任何車載地基移動無線電系統(tǒng)的四重編程通用收發(fā)器中運行欧美日韩图区。

A software high frequency channel simulation algorithm is presented aiming at the characteristics of HF channel which has unrepeatability, multipath and fading.

針對短波信道不可逆性、多徑以及衰落等特點国产性爱永久视频，提出了一種純軟件的短波信道仿真算法日韩在线最新专区。

Be reduced to the minimum.The HF have no-power crossover network .

系統(tǒng)已內(nèi)置優(yōu)化無源分頻網(wǎng)絡(luò)。

A reaction kinetic model for synthesis of ETBE from ethanol and tertiary butyl alcohol,catalyzed by HF/USY modified by hydrofluoric acid,was established.

以乙醇和叔丁醇為原料国内自拍无码在线播放、氫氟酸改性USY分子篩為催化劑合成乙基叔丁基醚黄色美女视频网址，建立了反應(yīng)動力學(xué)模型。

In the upper atmosphere, ionosphere, magnetosphere. At present, there are a variety of advanced ground based instruments, such as proton magnetometer, fluxgate magnetometer, Digisonde, GPS ionospheric TEC and scintillation monitor, HF Doppler, all-sky meteor radar and airglow imager etc. The data monitoring and processing center can monitor the observation instrument working state in all stations and collect and process data through Internet. Some of processing data results can be published on the web near real time( http://space.iggcas.ac.cn ).

目前，臺鏈擁有質(zhì)子磁力儀精品久久久一级黄片，磁通門磁力儀免费看A片视频偷窥，電離層數(shù)字測高儀， GPS TEC 和電離層閃爍監(jiān)測儀黄色视频在线免费看网站，高頻多普勒探測儀一极一黄一区，全天空流星雷達和氣輝成像觀測儀等多種先進的地基空間環(huán)境綜合觀測設(shè)備，臺鏈監(jiān)控和數(shù)據(jù)中心對各臺站觀測儀器和數(shù)據(jù)狀態(tài)進行監(jiān)控欧美多人操逼，觀測數(shù)據(jù)實時傳輸?shù)脚_鏈數(shù)據(jù)中心進行處理和保存，并在互聯(lián)網(wǎng)上實時發(fā)布（網(wǎng)址： http：//space.iggcas.ac.cn ）三级毛片网站在线免费进入。

Where high frequency performance matters (and even DC and VLF CIRCUIT s may use devices with high Ft and therefore be vulnerable to HF instability) it is very important to consider the effects of stray capacity.

對于高頻電路AV天堂久久天堂AV色，分析分布電容的影響是非常重要的。（即使是DC電路和VLF電路免费黄色片你懂的，由于可能會用到具有高FT的器件欧美性XXXXX精品，因此也會存在高頻穩(wěn)定性的問題。