您要查找的是不是:
- The effects of radiation and absorption of raindrops on S and X band radar electromagnetic waves are compared and discussed in this paper. 本文討論雨滴對船用雷達的兩個(gè)波段,即S波段和X波段雷達電波的輻射和吸收作用,并且對輻射和吸收作用作出比較,對S波段和X波段的作用也作出了比較。 結果表明雨滴對X波段的雷達電波的輻射作用較吸收作用為大,雨滴對X波段的雷達電波的吸收作用較對S波段的雷達電波的吸收作用為大。
- The Multi Band Excitation vocoder was developed by Griffin in MIT in 1987. Subsequently the improved MBE was adopted by Inmarsat as a standard for satellite voice communications. 多帶激勵聲碼器(MBE)由MIT的Grifin在1987年提出,其改進(jìn)算法(IMBE)已被IN-MARSAT采納作為衛星話(huà)音通信的標準。
- Since the frequency stepped radar is a instantaneous narrow band radar with synthesized wideband, it may resolve the bandwidth problem by changing the phase pulse by pulse. 由于頻率步進(jìn)信號是一種瞬時(shí)窄帶、合成寬帶的雷達信號,可以通過(guò)脈間配相的改變解決孔徑渡越時(shí)間、波束指向變化等問(wèn)題。
- The computer simulation and informal listening test results show that the new Multi Band Mixed Excitation Linear Predictive ( MBMELP ) speech coder at 2.4 kbit/s can produce a synthesized speech quality close to that by CELP algorithm at 4 8 kbit/s . 計算機模擬及非正式的語(yǔ)音試聽(tīng)結果表明 ;新的多帶混合激勵線(xiàn)性預測語(yǔ)音編碼器在 2 4kbit/s編碼速率重建的語(yǔ)音質(zhì)量接近于 4 8kbit/sCELP算法的質(zhì)量 .
- In modern radar system, wide or ultra wide band radar signal is used more widely. Accordingly, by using digital signal processing, we need high-speed data acquisition system to get information. 在現代雷達系統中,寬帶雷達信號應用的越來(lái)越廣泛,相應地,通過(guò)數字信號處理的方法來(lái)處理超寬帶雷達信號,需要高速的數據采集系統來(lái)提取信息。
- The Structural Design of the Antenna Pedestal for the Multi band Composite Radar 多頻段復合雷達天線(xiàn)座結構設計
- Suitable for radio and multi band radio 適合于汽車(chē)收音機和各種頻段的無(wú)線(xiàn)電
- yellow band and multi band longicorn 黃帶多帶天牛
- A New Design of Wide Band Radar Signal Source Based on DDS 一種基于DDS技術(shù)的新型寬帶雷達信號源的設計
- Design of Channel Dropping Filter in Ultre-Wide Band Radar 超寬帶雷達頻帶分割濾波器設計
- Wavelets and Its Applications in Ultra-wide Band Radar 小波理論及其在超寬帶雷達中的應用研究
- They picked up the yacht on their radar screen. 他們在雷達屏上看到了那艘游艇。
- The radar scanned the sky for enemy planes. 雷達密切監視天空,搜索敵機。
- He left when the band began to beat out pop music. 樂(lè )隊一奏起流行音樂(lè )他就走了。
- The band played a military march. 樂(lè )隊吹奏軍隊進(jìn)行曲。
- The watchtower followed the aircraft by radar. 瞭望塔通過(guò)雷達追蹤這架飛機的行蹤。
- A live band is always a good draw at a party. 現場(chǎng)演奏的樂(lè )隊在聚會(huì )上總是很吸引人的。
- He was waylaid by a band of guerrillas. 他遭到游擊隊的狙擊。
- Radio2 can be heard on the long wave band. 第二廣播電臺可在長(cháng)波段收聽(tīng)到。
- Enemy ships were detected on the radar screen. 敵艦的影像已顯現在雷達(屏幕)上。