code phase造句
例句與造句
- a pn code phase acquisition with non-coherent sequential detection
基于非相干序貫檢測器實現的偽碼捕獲器 - improving dsss signal pn code phase measurement precision by 3-points quadratic interpolation
碼相位測量精度的三點二次插值法 - there's a large emphasis on specifying what the product will be . note that the development or coding phase is only a single block
重點強調，產品規格即產品是什么樣。注意，開發或編碼階段只是單獨的塊。 - this topic provides you with access to security topics covering that span both the coding phase and the application s deployment
本主題為您提供了涉及該范圍（編碼階段和應用程序的部署）的安全主題的訪問方法。 - synchronization technique of spread spectrum code is utilized in two stages . multipath searcher coarsely estimates the pn code phase and code tracking confirm the pn code phase precisely
這需要采用擴頻系統中擴頻碼同步技術,即:多徑搜索粗略地估計pn碼相位,同步跟蹤精確確定pn碼相位。 - It's difficult to find code phase in a sentence. 用code phase造句挺難的
- synchronization technique of spread spectrum code is utilized in two stages . multipath searcher coarsely estimates the pn code phase and code tracking confirm the pn code phase precisely
這需要采用擴頻系統中擴頻碼同步技術,即:多徑搜索粗略地估計pn碼相位,同步跟蹤精確確定pn碼相位。 - uast is equipped with the complex radar system of both continuous wave pseudorandom code phase modulation and mono-pulse amplitude comparison ( crs ), and crs measures and gets target's position information
在坦克超近反導系統中，裝備偽碼調相連續波與單脈沖幅度比較復合體制雷達，用于測量目標的位置信息。 - this paper focus on these problems and discusses the possibility of using pseudo-random code phase modulated ( prcpm ) technology in measuring high speed target . at first the basic principle of the m series is given, then a doppler pretreatment method is given
首先介紹了m序列編碼基本理論,然后給出了m序列調相雷達多普勒預處理的方法,該方法充分利用了m序列的移位相乘后仍為m序列的特性,并且將該方法擴展到一般的二相碼序列。 - multipath acquisition decide the coarse pn code phase and pick up the available multipath components . following, code tracking confirm the pn code phase precisely and track every multipath component's delay drifting due to doppler effect . in this paper, the code tracking technique in spread spectrum communication is introduced
本論文首先介紹了在擴頻通信中采用的同步跟蹤技術，結合wcdma上行鏈路的特點，提出了適合wcdma上行鏈路的pn碼跟蹤方案，并與現有的多徑搜索和信道估計算法構成完整的上行鏈路rake接收機方案。 - multipath acquisition decide the coarse pn code phase and pick up the available multipath components . following, code tracking confirm the pn code phase precisely and track every multipath component's delay drifting due to doppler effect . in this paper, the code tracking technique in spread spectrum communication is introduced
本論文首先介紹了在擴頻通信中采用的同步跟蹤技術，結合wcdma上行鏈路的特點，提出了適合wcdma上行鏈路的pn碼跟蹤方案，并與現有的多徑搜索和信道估計算法構成完整的上行鏈路rake接收機方案。 - in this thesis, a kind of 2-dimention signal acquisition method is presented which combines parallel pn code phase and carrier frequency acquisition, as a result the acquisition time is shortened greatly . besides, according to the fact that the detection of spread spectrum signals is always the key point in the receiving system
在擴頻信號的捕獲過程中要求有較小的時延和較高的概率，本文介紹一種二維信號的捕獲方法，這種方法結合偽pn碼和載波頻率的獲取，捕獲時延將大幅度降低，實際上，擴頻信號的檢測是接收系統的關鍵。 - the key is that the head-end emits the guide m sequence, which is non-correlative with any users " address code . the phase of all users address code and the head-end address code are combined with the guide m sequence . every user address code phase can attain after the guide m sequence phase is searched and tracked
論文所提出的方案是通過前端發射固定的導頻信號，并且在前端和用戶端都把用戶地址碼相位捆綁在導頻相位上，使得用戶在同步捕獲和跟蹤導頻相位后，間接得到用戶的地址碼相位。 - secondly, the algorithm and ad-receiver figure are put forward, which can work well in jamming environment for attitude determination while track the satellite's code phase and doppler frequency . an ad-algorithm based on snr is promoted which use few antenna, the method can be used as a complementarity of other ad-system
其次，結合自適應陣抗干擾方法和衛星信號doa估計方法，提出了具有抗干擾能力的定姿接收機結構和算法，算法在準確跟蹤衛星并得到偽碼相位和多普勒的同時，完成姿態確定。 - this article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar . as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal's application in distance and speed measurement . this article also researches the application of mono-pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast
本文分析了幾種典型的連續波雷達信號的特性，介紹了多普勒雷達的原理和應用；研究了偽隨機編碼信號的產生和數學特征，著重分析了偽碼調相連續波雷達信號的頻譜，及其在雷達測距、測速方面的應用；研究了單脈沖幅度比較體制在雷達測角中的應用；最后，闡述了超近反導系統中復合體制雷達的工作過程。 - the autocorrelation function of the pn code is similar to that of the white noise, which has the randomicity . the pn code phase modulation fuze just works on the basis of this characteristic . the fuse, having excellent cut-off performance of the distance and strong anti-jamming capability, is one of the radio fuze of the predominant performance
偽碼引信是利用偽隨機序列的自相關函數類似于白噪聲相關函數的隨機特性而工作的，這種引信距離截止特性好，抗干擾能力強，是一種性能優越的無線電引信。
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