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- Working principle of pseudorandom code phase modulation CW fuze is introduced. 分析了此体制下引信的抗侦察性能。
- A Pseudorandom Code Phase Modulation and Sinewave Frequency Modulation Combined Fuse. 伪随机码调相与正弦调频复合引信
- Current GPS receiver search strategies are based on the sequential search of the C/A code phase and carrier frequency. 摘要当前GPS接收机的搜索策略是基于C/A码相位和载波频率的串行搜索。
- Based on the above research, a new C/A code phase discrimination algorithm is proposed. 基于上面的分析与研究,提出了一种新的C/A码鉴别器算法。
- Each correlator correlates an inputted access burst code at an inputted code phase with an inputted antenna output. 各个相关器是以一输入讯息码相位,使一输入存取丛发讯息码及一输入天线输出产生关连。
- From the sub-carrier phase and code phase viewpoint,an acquisition method with three parallel tags was proposed to acquire the BOC(1,1) completely. 为了完全捕获到BOC(1;1)信号;从副载波相位和码相位角度出发;提出了一种3路并行捕获方法.
- The brief description of digital downconverter,acquisition of PN code phase, PN code phase tracking and data demodulating is given in this paper. 本文提出了一种高动态高码率数字化解扩接收机的设计方案,同时简要介绍了其数字下变频、伪码初相位捕获、伪码相位跟踪和数据解调的基本设计思想。
- The operating principle of complex modulation fuze using pseudorandom code phase modulation and linear frequency modulation is simply introduced. 简单介绍了伪码调相与线性调频复合调制引信的工作原理。
- In direct conversion navigation receiver,due to the IQ mismatch,there will be track error in carrier phase and code phase. 分析了直接下变频导航接收机中,I、Q信号的非正交引起的载波及伪码的跟踪误差。
- Abstract: The characteristics of pseudorandom code are analyzed.Working principle of pseudorandom code phase modulation CW fuze is introduced. 文章摘要: 分析了伪随机码信号的特征,介绍了伪码调相连续渡引信的工作原理,在此基础上。
- To despread and demodulate the signal correctly in the spread spectrum system, the PN code phase of the receiver must be synchronized with that of the input signal precisely. 在扩频通信系统中,为正确解扩和解调接收到的扩频信号,接收机的PN序列相位和接收信号的PN序列相位必须完全同步;
- When the difference of code phase between the received and the local(BOC(1,1)) signal lies in the half code chip,the signal acquisition rate increases from 33.3% to 100%,and the code phase range increases from 1/6 to 1/2 chip width by simulation. 仿真结果表明;捕获码相位差在半个码片内时;BOC(1;1)信号的捕获率从33.;3%25提高到100%25;码相位捕获范围从1/6码片增大到1/2码片
- In addition, it breaks out the limitation that the bug is managed only against the coding phase. 突破了传统的缺陷管理只针对编码阶段的局限性;
- There's a large emphasis on specifying what the product will be. Note that the development or coding phase is only a single block! 重点强调,产品规格即产品是什么样。注意,开发或编码阶段只是单独的块。
- However,AO model is lacking at the early stage of software developrnent,and AOP methodology is only used in the coding phase during software life cycle. 然而目前在软件开发的早期阶段缺少面向方面(AO)模型的支持,AOP方法仅体现在软件生命周期的编码阶段。
- Sorry. I must have got the wrong area code. 对不起,我一定是拔错地区号码了。
- The highway code is not itself part of English law. 公路法规本身并非是英国法的一部分。
- The Highway Code has been carried. 公路法规已经被执行。
- She tapped out in code to headquarters. 她给总部发出密码电报。
- But the code does not disturb the profits. 但这种审查法规既不影响影片的利润。