A digital GPS PN code acquisition circuit based on direct IF sampling is presented.
文中提出了基于直接中频采样的数字化GPS接收机码捕获电路。
This paper proposes a simple and practical threshold adaptive estimating method for PN code acquisition.
该文提出一种简单、实用的PN码捕获门限自适应设置方法。
This paper explores the application of PMF in high-dynamic satellite navigation signal based on fast code acquisition.
文中研究了部分匹配滤波器在高动态卫导信号快速码捕获中的应用。
The analysis result indicates that the method can reduce the resource consume to fulfill the direct P code acquisition.
分析表明，该方案能以较低的资源完成P码的直接捕获。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
The problem of PN code acquisition is the key technique in DSSS receiver when there are narrowband interferences in the received signal.
本文针对新型的卫星用接收机伪码捕获的性能指标要求 ，设计了一种基于中频直接采样数字化的伪码捕获算法。
Secondly, this thesis introduces several conventional code acquisition methods and the reason why they are not fit for direct P-code acquisition.
其次，介绍了几种常用的伪随机码捕获方法及不适合于P码直接快速捕获的原因。
The design of the PN code acquisition of the Direct Sequence Spread Spectrum(DSSS) system for a Unmanned Aerial Vehicle(UAV) TT&C System is described in this paper.
讨论一种用于某无人机直序扩频通信测控系统的PN码捕获方案。
For any PN code acquisition system in spread spectrum communications, the acquisition performance is largely dependent on the probabilities of detection and false alarm.
对于任何一种扩频通信pN码捕获系统来说，捕获性能在很大程度上取决于检测概率和虚警概率。
A new combined Surface Acoustic Wave (SAW) convolver, or a serial searching code acquisition scheme for direct sequence spreading spectrum (DSSS) communication system is presented.
提出了一种用于直接扩频通信系统（DSSS）快速捕获，新型组合声表子波（SAW）卷积器序列搜索码捕获方案。
According to the result of the analysis, the designed digital code acquisition system has higher probability of detection, lower probability of false alarm and shorter average acquisition time.
分析表明，本文提出的伪码序列捕获系统具有检测概率高、虚警概率低和平均捕获时间短的特点。
A new code acquisition method based on phase difference correction of FFT is presented to solve the problem of long code acquisition time in high dynamic DSSS receivers having large frequency offset.
针对大频偏下高动态直扩接收机伪码捕获时间长的问题，提出了一种新的基于FFT相位精确估计频偏的改进方法。
When I used to write code for electrophysiology data acquisition, real time meant microseconds.
我过去编写电生理学数据检索代码时，实时意味着毫秒。
This paper proposes an extended RLC(Run Length Code)data acquisition method. The detected signal has the feature of long time lasting and transienting characteristic waveforms.
针对被检测信号具有长时间域、瞬变特征波形的时域位置不确定等特点，提出一种扩展游程编码数据采集方法。
The paper introduces a bar code image with defilement acquisition and processing system.
本文介绍了应用于有污损条码的图像采集与处理系统。
Its properties are analyzed, such as code efficiency, error Bit rate, power spectrum, the acquisition probability of the first frame marker.
分析了其特性，包括编码效率、误码特性、功率谱、帧同步一次通过捕获特性等。
A programmable telemetry signal acquisition and code system based on DSP and CPLD is introduced.
介绍了一种基于DSP和CPLD的数据采集与编码系统。
In addition, the realization of the code were introduced, including the zoom window design module, image acquisition module design, module and zoom Windows message loop beautification module.
此外还对代码的实现进行了介绍，主要包括放大窗口设计模块、图像采集模块设计、消息循环模块以及放大窗口美化模块。
Data acquisition and bar code technology are briefly introduced, and the application of portable data acquisition and code bar technology for management of wood based panel warehouse is proposed.
简要介绍了数据采集器和条码技术，叙述以条码技术为基础，采用便携式数据采集器的数据库管理系统在人造板产品库存管理中的应用。
Time is important information for fast and direct acquisition of military code, and compression of signal's propagation delay time uncertainty is an effective means for it.
辅助长码直捕的一个最重要的先验信息是时间信息，卫星信号传播时延估计是减少时域搜索范围的一个重要方面。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
For DSSS system with antenna array, the spatial-temporal correlator (STC) is proposed for the acquisition of the PN code and adaptive beamforming weight.
对于使用阵列天线的直接序列扩谱系统，提出使用空时相关器方法实现码捕获和自适应波束形成权值捕获。
This correlator can search all possible code shifts in one step, so decreases the acquisition time, meets the real-time requirements.
这种相关器可以一步搜索到所有可能的码相位偏移，大大提高了捕获速度，比较好地满足了实时处理的要求。
The baseband processor includes synchronization, acquisition, and complementary code keying (CCK) demodulation.
重点描述了捕获、同步以及补偿码键控（CCK）解调方法。
The paper discusses the acquisition and tracking of the PN code and the tracking of the carrier in high dynamic range , low SNR and long PN code.
讨论了高动态、低信噪比、长伪码序列扩频信号的伪码捕获、跟踪、载波跟踪与数据解调方法。
Discusses the basic theory of PN code parallel fast acquisition of high dynamic in GPS, the method of confirming the auto adaptive threshold and some important problems in acquisition process.
讨论了高动态下GPS伪随机码并行搜索的基本原理，以及自适应门限确定方法与搜索过程中应注意的问题。
A new P-code direct acquisition algorithm is proposed by studying direct signal acquisition algorithms.
本文从研究信号直接捕获算法角度出发，提出了一种新的P码快速直接捕获算法。
When we use the camera SDK image acquisition, the image is often Bitmap, to share with you how to write your own Bitmap how to convert the HImage code, I hope to help you.
当我们使用相机sdk采集图像时，得到的往往是Bitmap图像，在这给大家分享一下自己写的Bitmap如何转换成HImage的代码，希望能帮到大家。
Contributed to the acquisition and Code tracing for the DS spread spectrum com munication systems, this paper presents the scheme of sliding search self-synchronization for a DS system.
本文讨论直接序列扩展频谱通信系统中有关同步捕获和跟踪的问题。给出了直接扩频系统的滑动搜索自同步方案。
Contributed to the acquisition and Code tracing for the DS spread spectrum com munication systems, this paper presents the scheme of sliding search self-synchronization for a DS system.
本文讨论直接序列扩展频谱通信系统中有关同步捕获和跟踪的问题。给出了直接扩频系统的滑动搜索自同步方案。
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