code phase造句
例句与造句
- a pn code phase acquisition with non-coherent sequential detection
基于非相干序贯检测器实现的伪码捕获器 - improving dsss signal pn code phase measurement precision by 3-points quadratic interpolation
码相位测量精度的三点二次插值法 - 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。 - this topic provides you with access to security topics covering that span both the coding phase and the application s deployment
本主题为您提供了涉及该范围（编码阶段和应用程序的部署）的安全主题的访问方法。 - 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
这需要采用扩频系统中扩频码同步技术,即:多径搜索粗略地估计pn码相位,同步跟踪精确确定pn码相位。 - It's difficult to find code phase in a sentence. 用code phase造句挺难的
- 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
这需要采用扩频系统中扩频码同步技术,即:多径搜索粗略地估计pn码相位,同步跟踪精确确定pn码相位。 - 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
在坦克超近反导系统中，装备伪码调相连续波与单脉冲幅度比较复合体制雷达，用于测量目标的位置信息。 - 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
首先介绍了m序列编码基本理论,然后给出了m序列调相雷达多普勒预处理的方法,该方法充分利用了m序列的移位相乘后仍为m序列的特性,并且将该方法扩展到一般的二相码序列。 - 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
本论文首先介绍了在扩频通信中采用的同步跟踪技术，结合wcdma上行链路的特点，提出了适合wcdma上行链路的pn码跟踪方案，并与现有的多径搜索和信道估计算法构成完整的上行链路rake接收机方案。 - 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
本论文首先介绍了在扩频通信中采用的同步跟踪技术，结合wcdma上行链路的特点，提出了适合wcdma上行链路的pn码跟踪方案，并与现有的多径搜索和信道估计算法构成完整的上行链路rake接收机方案。 - 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
在扩频信号的捕获过程中要求有较小的时延和较高的概率，本文介绍一种二维信号的捕获方法，这种方法结合伪pn码和载波频率的获取，捕获时延将大幅度降低，实际上，扩频信号的检测是接收系统的关键。 - 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
论文所提出的方案是通过前端发射固定的导频信号，并且在前端和用户端都把用户地址码相位捆绑在导频相位上，使得用户在同步捕获和跟踪导频相位后，间接得到用户的地址码相位。 - 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，结合自适应阵抗干扰方法和卫星信号doa估计方法，提出了具有抗干扰能力的定姿接收机结构和算法，算法在准确跟踪卫星并得到伪码相位和多普勒的同时，完成姿态确定。 - 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
本文分析了几种典型的连续波雷达信号的特性，介绍了多普勒雷达的原理和应用；研究了伪随机编码信号的产生和数学特征，着重分析了伪码调相连续波雷达信号的频谱，及其在雷达测距、测速方面的应用；研究了单脉冲幅度比较体制在雷达测角中的应用；最后，阐述了超近反导系统中复合体制雷达的工作过程。 - 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
伪码引信是利用伪随机序列的自相关函数类似于白噪声相关函数的随机特性而工作的，这种引信距离截止特性好，抗干扰能力强，是一种性能优越的无线电引信。
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