載信息的波 的英文怎麼說
中文拼音 [zǎixìnxīdebō]
載信息的波
英文
information-bearing wave-
Load modulate technology based on sub - carrier wave for fuze setting information feedback
基於副載波的負載調制技術實現引信感應裝定信息反饋的方法The hydrometeor information from the cloud model is then used as input into a 3 - d microwave radiation transfer model that calculates the upwelling radiance received by the rediometer aboard the satellite
將雲模式模擬的水汽凝結體信息作為三維微波輻射傳輸模式的輸入值,計算星載微波輻射計接受到的上行輻射。Lightwave is employed in information technologies, implementing e. g. signal transmission, displaying, storing and sensing, etc. optical devices are key elements in these technologies
光波作為信息載體,在信息的傳輸、顯示、存儲以及檢測等應用領域發揮著越來越重要的作用,光器件是光波信息處理中的核心技術。The target movement information which aa gunshot fire control needs can he provided by using kalman filter to process the dada offered by on hoard fire control radar and other sensors
摘要使用卡爾曼濾波器對機載火控雷達及其它傳感器提供的數據進行處理,可以得到空對空射擊火力控制需要的目標運動信息。Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性,以高頻雷達為背景,在對多載波相位編碼脈沖串信號參數設計的基礎上,推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號,在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。Therefore, according to the mobility of the aircraft, the present study builts a multi - static location system, which uses the measurements detected by active or passive airborne sensors, when the aircraft is at the different positions. this study proposes two methods for locating sonobuoys. the first one is using aircraft - to - buoy slant range information
根據飛機的機動性,本文構造了使飛機到達不同點獲取相同的測量信息而實現定位的多基地定位系統;依據機載有源無源探測器所能獲得的測量量,提出了兩種定位方法:斜距離測量定位法和基於卡爾曼濾波的方位測量定位法。The parameter measurement information section of the data sheet illustrates the test loads and waveforms that are used when testing the device ( see figure 10 )
在測試器件時,數據手冊的參數測量信息小節,舉例說明測試負載和測試波形(參見圖10 ) 。Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency
短數據快速測頻演算法的具體實現:使用并行流水線的設計方法,提高了系統的數據吞吐率,在100mhz的系統時鐘下,能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據,在64點采樣, 100mhz系統時鐘情況下,初次測頻佔用時間640ns ,以後每次測頻佔用時間縮短到160ns ,實時地提供多相濾波下變頻所需的載頻位置信息,縮短了接收機的調諧時間。The communication media can be power line, infrared, radio frequency, twistedpair, etc, among which power line communication technique is discussed
物理介質可以採用電力載波、紅外線、無線電、雙絞線等。本文主要論述採用電力載波的信息編碼格式,載波擴頻技術等。Dpsk is one of the means to represent digital information through relative carrier phase of the neighboring symbols
Dpsk方式即是利用前後相鄰碼元的相對載波相位值去表示數字信息的一種方式。At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d
最後,本文針對懸停直升機旋翼回波的時頻域特點,探討了從回波信號中提取旋翼回波最大線速度v和旋翼回波閃爍周期tp的方法,在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。The statistical characteristic of extrinsic information from component decoders is discussed. based on it, ? it is explained that the related curves of input - output snr could be used to measure the performance and convergence of iterative decoding ; ? two types of turbo iterative stopping criteria are designed ; ? the methods to updating snr estimation in the process of iterative decoding is provided ; ? a way to implement synchronization of carrier phase by serial concatenation scheme is devised
在分析迭代譯碼輸出外部信息的統計特性基礎上?考察了迭代譯碼器輸入輸出snr關系曲線,並說明它可以作為衡量迭代譯碼性能和收斂性的工具; ?設計了兩類新的turbo迭代譯碼停止準則; ?提出了在迭代譯碼過程中更新snr估計的方法;國防科學技術大學研究生院學位論文設計了利用外部信息統計量實現載波相位同步的串列級聯方案。Abstract : in this paper we investigated the effects on human bo dies after being placed in the jiang ' s guideti cabin with biotic field to receiv e the plant seedlings ' irradiating biological electromagnetic waves
文摘:將人體置於姜氏場導艙內接受載有青春信息的植物幼苗發射的生物電磁波。Radio wave is the tool of information transferring. frequency is one of the most important characteristic parameters of radio wave, which means the presentation times of a wave in a unit time
無線電波是運載傳遞信息的工具,頻率是無線電波的一個重要參數,它是指無線電波在一個單位時間內重復出現的次數。7 wavelet transform analysis is applied to extract the feature of collected signal and the aim to recognize the position of defect has been achieved
8 、對拾取到的載有缺陷信息的回波信號利用小波分析的方法提取缺陷特徵,同樣實現了缺陷定位。A few kinds of signal separate measures, double caner frequency automatc switch function and relay function are taken into account on the design of wfplc - ml iniddle - voltage distribution line carrier modem. coupling equipment is designed with the filter and capacitance fitted togethel in this papef, it is also advanced an scheme about caner signal spanning the distribution line break. the equipment system has been finished and put into use, which has better result. the feasibly and necessity of the studying of this problem are posed
Wfplc3510中壓配電載波系統利用10kv的架空線或電纜,將主控斷發出的命令信息轉換為載波信號通過三相耦合器耦合到電力傳輸線上,在被控端利用單相耦合器耦合到載波信號后轉換為介面信號發送給被控單元,被控單元亦可將返回數據通過單相耦合發送載波信號到主控端,實現信息的雙向傳遞。In this process, it is costas that transforms medium signal loaded with data information to baseband signal deprived of carrier
其中,將帶有數據信息的中頻信號變為除去載波的基帶信號由科思塔斯環( costas )完成。Based on the simulation results, the key techniques for the design of turbo codes, including the choice of component codes, the design of interleaver, trellis termination schemes and puncturing methods, are discussed deeply. by measuring the statistical characteristic of extrinsic information from component decoders, new iterative stopping criteria and snr estimation updator are devised. also, it is used to implement synchronization of carrier phase
本文首先對turbo碼的基本編譯碼原理進行分析,在模擬結果的基礎上對turbo碼設計中的分量碼選擇、交織器設計、編碼器狀態歸零方案以及刪余方式等部分關鍵問題進行探討;通過考察外部信息的統計特性,設計了新的迭代停止準則和snr估計更新器,並利用外部信息實現串聯載波相位同步;最後對turbo均衡進行簡要分析。In communications, the frequency range of the information bearing signals prior to combination with carrier wave by modulation
在通信技術中,未經調制使之和載波結合之前,攜帶信息的信號所佔有的頻率范圍。A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise
在發送端特定的光編碼器產生某一特定的地址碼,將數據信息與此地址碼調制在光載波之上發送出去,不同用戶的數據都在光纖媒質中傳輸,接收端用特定的光解碼器解出屬于自己的信息,而攜帶其他用戶信息的光信號,就像噪聲一樣被過濾掉。分享友人