Permanent address ( from original country), zip code, phone number, mail receiver's name, email address. 国内地址,邮编,电话号码,收件人姓名,电子邮件地址。
In order to improve the kinematic positioning accuracy of the civil C/ A code GPS receiver for land vehicle navigation, the filtering problem of GPS kinematic positioning is profoundly studied. 随着GPS定位技术的广泛应用,民用车辆的定位导航及监控技术得到了飞速发展,如何提高车辆定位导航系统的定位精度及可靠性已成为急待解决的问题。
The telex code of receiver, the corresponding code, and the code name of the recipient country. 接受者的电传号码,回应号码和接受者的国家代号;
Direct P code acquisition is implemented in GPS receiver in order to achieve higher spread spectrum gain, the better anti-deception and anti-spoofing. 为了保证扩频信号具有更高的扩频增益、更强的抗模仿和抗欺骗能力,必须实现P码的直接捕获。
The theoretical errors of PN code tracking in the GPS receiver and the Galileo receiver are respectively analyzed, which can provide reference for the evaluation of the PN code tracking algorithms of the GPS receiver and the Galileo receiver. 分析了GPS和Galileo接收机伪码跟踪热噪声的理论误差,可为GPS和Galileo接收机伪码跟踪算法性能评价提供参考。
Study on Technique of Fast Acquisition Pseudo Noise Code in GPS Receiver GPS接收机中伪随机码快速捕获技术的研究
Based on the acquisition principle of GPS receivers, effect of single frequency interference on GPS C/ A code receiver acquisition performance is analyzed. 在GPS接收机信号捕获原理的基础上,分析了点频干扰对接收机捕获性能的影响。
Pseudo-random code signal controlled by satellite clock was transmitted to receiver time delay via satellite antenna, native code was generated generator controlled by receiver clock, and sent it to correlator through displacement circuit, then native code and received satellite signal was calculated to gain coherent output. 卫星钟控制的伪随机码信号经卫星天线传播延时到达接收机,接收机时钟控制的发生器产生本地码,经位移码电路送至相关器与接收的卫星信号进行运算得到相关输出。
This paper is on the research, based on GPS signal characteristic, of the important parameters in acquisition of C/ A code in a GPS receiver such as the probability of detection and, which are affected by single-tone jamming, wide-band jamming and part-band jamming, etc. 本文从对GPS信号的结构出发,在单频、宽带及部分频带干扰模式下,分析了GPS接收机C/A码捕获过程的检测概率和虚警概率等性能指标。
In this paper, a method is proposed for real-time dual-frequency ionospheric time-delay correcting using a C/ A code GPS receiver, and the principle of the circuit block diagram for this method is analyzed with its feasibility theoretically demonstrated. 本文提出了一种利用C/A码GPS接收机实现电离层延迟实时双频改正的方法,并对实现这一方法的电路框图的原理进行了分析,从理论上说明了其可行性。
The Research of Strong Tracking Kalman Filtering in Kinematic Positioning of Civil C/ A Code GPS Receiver for Moving Vehicles 民用导航型C/A码GPS接收机动态定位的强跟踪卡尔曼滤波研究
In order to reduce the time of acquisition pseudo noise code in GPS receiver, the conventional acquisition method slide correlation in the time domain was analyzed. 为缩短GPS接收机捕获伪随机码的时间,分析了与时域滑动相关的常规捕获方法;
The conclusions drawn in this paper can guide the design of PN code synchronization in high dynamic receiver. 本文的结论为高动态接收机伪码同步技术提供了理论基础。
A general expression of instant output signal-to-noise for orthogonal space-time block code over fading channel at the receiver is shown. 本文给出并证明了采用正交空时分组码传输的衰落信道条件下,接收机输出瞬时信噪比的一般表达形式,分析了瑞利衰落信道条件下接收机输出符号差错性能。
Address Code and Interference Estimate Receiver of 2D-OCDMA 二维光码分多址的地址码及干扰估计接收机
A method for dual-frequency ionospheric time-delay correcting using a c/ a code GPS receiver 一种利用C/A码GPS接收机实现电离层延时双频改正的方法
Fast Acquisition in PN Code Receiver with DSP+ FPGA Technology 基于DSP+FPGA的扩频接收机快捕技术
Unaided cold start time is an important performance of spaceborne global position system ( GPS) receiver. Reduction of cold start time was developed for C/ A code navigation receiver on low earth orbit ( LEO). 航天GPS接收机的无辅助冷启动时间是一项重要指标,研究近地轨道应用的12通道C/A码导航型接收机减小冷启动时间的方法。
The repeater jamming is not of advantage for interfering with GPS P ( Y)-code receiver. 转发式干扰对P(Y)码接收机很难达到欺骗效果。
Then a scheme of interference transmitter is raised: it is a kind of a wide band blocking interference transmitter. its aim is C/ A code receiver. 然后,课题提出了针对C/A码接收机的干扰机方案:宽带阻塞式干扰机。
By adopting code rate as timing benchmark, the code tracking loop in the receiver tracks and calculates the sampling frequency offset between the actual and nominal values. 接收机的码跟踪环路以码速作为时间基准,对采样频率实际值与标称值之间的偏差进行跟踪,环路稳定后得到该偏差的估计值,其采样频率的准确度可提高到10-7量级。
The schemes of digital low frequency time code receiver based on orthogonal overlaping and sampling are proposed in this paper. 采用正交叠加和正交采样技术,提出了更大程度上数字化的低频时码信号正交解调的设计方案。
Research on Pseudorandom Code Acquisition in Dynamic GPS Receiver 高动态GPS接收机中伪码捕获问题研究
As is known it is difficult to design good FH code and synchronize the transmitter and receiver in a chaotic FH communication system. 众所周知,设计好的跳频码和在混沌跳频通信系统中实现收发双方的同步是很困难的。
Accuracy analysis of C/ A code and P code pseudoranges of dual frequency GPS receiver GPS双频接收机C/A码与P码伪距精度的分析和比较
Among these techniques the most exciting and potentially one is the use of space-time processing. This thesis investigates some problems of space-time processing that applies to mobile communications with emphasis on space-time code techniques and receiver design. 本论文研究空时处理技术在移动通信系统应用中的空时编码技术和接收机设计问题。
The main function of carrier NCO and code NCO in Base band receiver is modulation of carrier signal and generation of spread code, which can make the timing of data in receiver consistent and accurate. 基带接收机中载波NCO和码NCO模块的主要功能是载波信号的调制和扩频码信号的生成,使接收机的各种模拟数据时序准确一致。