第四章介绍了数字基带系统设计中数字前端设计。
Chapter 4 is about the digital front end design of base band system.
论文采用SOPC方案完成了增强型蓝牙基带系统的设计和实现。
This paper realizes the design of enhanced Bluetooth baseband system based on SOPC.
承担了基带系统的联调以及和基带与射频模块的联调的许多实际工作。
Also, he takes part in the system debug of the baseband system and the joint of the baseband system and the RF module.
这些关键模块包括基带系统中的差错控制编码和维特比译码，成形滤波，FFT变换等。
These modules were comprised of the realization of FEC and the decode of Viterbi, the shape of base-band wave, FFT and so on.
本文所作的研究工作对于未来在无线基带系统中进一步设计更高性能的CT C译码器奠定了良好的基础，具有重要的意义。
These studies of this thesis provide the foundation of designing CTC decoder with better performance in the wireless baseband system in future, so they are very important.
最后由信号源发出测试数据进入系统，进行功能实现后输出数据绘制出波形图，对所设计的基带系统驱动方案进行验证分析。
Last, the test data sent out by signal generator comes into the system, plots the waveform from export data after the function is achieved, and gives validation analysis to the design method.
该设备能在单一系统同时探测、监控和记录视频基带、无线电通信、卫星通信以及雷达信号。
It enables a combination of video baseband, radio communicatons, satellite communications, and radar signals to be detected, monitored, and recorded simultaneously on a single system.
本文对二进制数字基带传输系统的阈值电压进行了图象上的解释，从而使该概念的意义更加清晰。
In this paper, the threshold voltage of binary digital baseband transmission system on graph is explained, so the concept's meaning is more clear.
实践证明，本文提出的专用处理器系统架构是实现多模无线基带处理器的一种有效方式。
The test result show, this system architecture proposed in this paper is one of effective way to implement the wireless multi-mode baseband processor.
实验验证系统由基带发送、基带接收、主控三部分构成。
The demo system herein consists of three parts: base band transmitting board, baseband receiving boards and MPU board.
数字基带信号的传输是数字通信系统的重要组成部分之一。
Digital baseband signal transmission is the digital communication system, one of an important part of.
基带数据的编码是RFID系统中的关键技术。
The coding of baseband data is key technology in RFID system.
本文的主要工作是CR实验系统的基带模块的设计与实现以及降低峰均比技术的研究。
This thesis mainly focuses on design and implement of baseband module of CR experimental system and research on reduction of PAPR.
数字基带信号的传输是数字通信系统的重要组成部分之一。
The digital baseband signal's transmission is one of digital communication system's important components.
本论文对今后数字通信系统基带部分的研究和实现具有很强的借鉴意义。
They could assemble the baseband part of several digital communication systems and have great significance in the future research and realization.
AIS系统由通信处理模块、基带处理模块、射频模块和接口模块组成。
AIS system is composed with communication processing module, base band processing module, radio module and interface module.
再结合基于FPGA的基带数字信号处理，便可实现在相同的硬件平台上开发不同的无线通信系统。
Moreover, combined with digital baseband signal processing with FPGA, we could develop various wireless communication systems on a typical hardware platform.
与基带uwb无线电相比，多带OFDM超宽带系统在短距离无线通信中得到了广泛的认可。
Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.
SAR目标回波基带信号产生模块是SAR目标回波模拟器的关键单元之一，其设计影响到模拟器系统的性能。
SAR echo base-band signal produce module is the key unit of the SAR echo signal simulator, its design affects the performance of the SAR echo signal simulator.
HDB3码是基带传输系统中经常采用的传输码型。
HDB3 code is ordinary adopted in the baseband transmission system.
以数字基带传输系统为例，在数字基带通信系统数学模型分析基础上，设计了总体仿真框图。
Taking digital based-band transmission system as an example, the collectivity simulation frame are designed based on analysis of digital based-band transmission system mathematic model.
在数字信号的基带传输过程中，信息传输速率和系统带宽是系统的两个重要性能指标。
Both system bandwidth and transmission speed of code are very important property parameters in the baseband transmission process for digital signals.
本文在分析TD _SCDMA系统下行链路基带离散时间传输模型的基础上，提出了一种下行链路信道估计的快速算法，并结合终端联合检测算法进行了计算机仿真。
In this paper a fast algorithm for channel estimation in downlink TD-SCDMA systems has been proposed by analyzing the discrete-time base-band transmission model.
通常，收发信机耦合在基带处理器和天线以及系统的相关电路之间。
Often, a transceiver is coupled between a baseband processor and an antenna and related circuitry of the system.
同时，PSTN接口系统的控制是通过无线收发模块的基带处理器来控制的。
Simultaneously, a PSTN interface system is controlled by a baseband processor of a wireless receiving and transmitting module.
该系统主要采用小灵通基带芯片ML7338（ARM7TDMI核）和RDA5206射频模块，实现对射频信号的解调，同时对基带信号重新编码再调制发射，很好地解决了普通直放站射频干扰问题。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
分析了理想信道和非理想信道下的最佳基带传输系统的要求。
This paper analyzed the requirements of the best base_band transmission system under the idea information channels and the non_ideal information channels.
接着对系统进行了顶层设计并逐步细化，最终完成了基带电路板的制作与调试。
In the design phase, a whole Top-Down analysis and module design was done, and finally the circuit of the Baseband module was realized and tested.
文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
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