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- 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。
- An FFT-Based Approach for the Fast Acquisition of PN Code 一种基于FFT的伪码快捕方法
- Performance Analysis of Delay-Doppler Effect in Acquisition of PN Code 时延-多普勒频移对伪码捕获影响的性能分析
- the acquisition of PN code PN码捕获
- This algorithm firstly calculates the average power serial, and then finishes the detection of PN code rate through the analysis of frequency spectrum and smooth processing. 该算法首先计算序列的平均功率,然后对其进行谱分析并作平滑处理而完成伪码速率的判定。
- The project fulfills two of very important funcitons in a FH Communication system-the generation of PN code and the synthesizing of hopping frequencies, and unites them together efficiently. 该方案完成了跳频通信系统中极为重要的两个功能:伪随机码的产生和跳变频率的合成,并将它们有机地结合在一起。
- In this paper, the lowest for PILOT_INC and the minimum reusing distance of PN code are given.As an example, this paper also gives PN code assigning procedure of Gangdong CDMA trial network. 本文推导了PILOT-INC的最小取值、PN码最小的复用距离,并以实际建设的广东省CDMA试验网为例给出了PN码偏置的分配步骤。
- On the scheme of delay-waiting direct rapid acquisition of very long PN code 超长PN码的延迟-等待直接捕获方法
- A new method of PN codes forecast is proposed in this paper based on the analysis of randomicity of PN sequences. 通过分析伪随机序列的伪随机性,提出了基于后验概率的伪码预测方法。
- Rapid Acquisition of PN Signals in Dynamic Situation 高动态环境下的伪码快捕方法综述
- Since the FH pattern of the intercepted FH radio can not be known in advance, so the method of PN codes synchronization can not be used here for de-hopping and interception. 本文针对短波跳频电台信号的特点及短波波段电磁环境的特点,对短波跳频信号的解跳技术进行了分析研究。
- The Analysis of PN Code Modulated by Pulse Train 伪随机码调制脉冲串引信及其抗噪性能分析
- A Method Realizing Rapid Acquisition of Long PN Code in High Dynamic DS/FH Spread Spectrum System 高动态DS/FH混合扩频系统实现长伪码快速捕获的一种方法
- Fraudulent acquisition of another's property. 诈欺取财以诈术获取他人财产
- The acquisition of wealth usually takes time. 获取财富总需要时日。
- Her chief aim is the acquisition of knowledge. 她主要目的是知识的收罗。
- A Method for Accurately Measuring the Phase of PN Code in DSSS Systems 直接序列扩频通信系统中PN码相位的精确测量方法
- The children progressed in the acquisition of basic skills. 孩子们在掌握基本技术方面取得了进步。
- Fourteen cases of PGS recieved the combination of PN with EN. 结果:治疗1周内两组平均阳性率无显著性差异,1周后肠外营养组平均阳性率高达62。
- At last, the paper also discusses the pragmatic effects of PN. 这一章还对语用否定的语用效果进行了分析。