This paper designs a code generator of baseband signal based on FPGA.
设计一个基于FPGA的基带信号码发生器。
This code is cdma2000 baseband signal processing algorithms pn code generation process.
此代码是cdma2000基带信号处理过程中pn码的产生算法程序。
Then, a demodulator may receive the baseband signal and obtain an audio signal therefrom.
然后，解调器可以接收基带信号并且从基带信号获得音频信号。
The I/Q modulator is used for receiving the added baseband signal, and converting it to RF signal.
频谱分析模块用于根据射频信号所存在的直流偏量输出能量变化值。
Digital baseband signal transmission is the digital communication system, one of an important part of.
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。
IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.
IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。
This paper researches and realizes the major algorithms of GPS receiver baseband signal processing and navigation solution.
本课题主要完成了GPS接收机基带信号处理及导航解算各主要算法的研究与实现。
The transmitting and receiving unit (5) converts a reception wave signal from a network into a reception analog baseband signal.
发射和接收单元(5)将来自网络的接收波信号转换为接收模拟基带信号。
In the platform, the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal.
在这个平台上对短波信号射频数字化，然后进行数字变频，获得宽带基带解析信号。
In demodulation type transponder the demodulated baseband signal accompanied by noise is used for further modulation and retransmission.
在解调型应答机中，解调的基带信号和伴随的噪声一起再调制和转发。
Always some PAPR reduction schemes are used on baseband, but if baseband signal combined to Intermediate Frequency (if), the peak may recur.
为了降低峰均比常用的是基带削峰的方法，而基带信号合成为中频信号后容易产生峰值再生的问题。
Moreover, combined with digital baseband signal processing with FPGA, we could develop various wireless communication systems on a typical hardware platform.
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。
The transmitting and receiving unit (5) converts the transmission analog baseband signal into a transmission modulation wave signal to output to the network.
发射和接收单元(5)将发射模拟基带信号转换为发射调制波信号，以输出到网络。
The transmitting and receiving unit (5) converts the reception analog baseband signal into a reception digital baseband signal in synchronization with a clock.
发射和接收单元(5)与时钟同步地将接收模拟基带信号转换为接收数字基带信号。
Work of this paper focus on the core technology , namely Channel Coding and Multiplexing of baseband signal process of radio interface physical layer in TD-SCDMA.
本文的工作集中在TD-SCDMA空中接口物理层基带信号处理的核心技术：信道的编码和复用。
Then, a solution based on Digital Up Converter(DUC) was proposed, which implemented the conversion of a complex digital baseband signal to a real passband signal.
然后采用正交数字上变频（DUC）技术进行基带信号数字域调制和频率变换。
The transmitting and receiving unit (5) converts the transmission digital baseband signal into a transmission analog baseband signal in synchronization with the clock.
发射和接收单元(5)与时钟同步地将发射数字基带信号转换为发射模拟基带信号。
It emphasizes researching algorithms of baseband signal processing and realizing navigation solution under condition of specific hardware and real-time satellite signals.
重点放在对基带信号处理的算法研究及在实际硬件环境、实时卫星信号条件下导航解算的软件实现。
Then the principle of OFDM technology is explained and the baseband signal process and the frequency conversion are discussed primarily with some detail problems explained.
然后阐述了OFDM技术原理，重点讨论了基带信号处理和变频两部分，对具体细节做了详细的说明。
SHD-A model transmitter is applied to emit and convey baseband signal of sound, vibration and measure-control in aeronautical communication system from one point to multi-point.
SHD - A型多通道固态调频发射机系统主要应用于航空通信系统一点对多点的声音、振动、测控等基带信号的发射与传输。
By peak value sampling the information of baseband signal can be obtained from an am signal directly. By frequency conversion sampling the carrier wave's frequency of a PSK signal can be cut down.
对AM信号进行峰值采样可以直接获得基带信号的信息，对PS K信号进行变频采样可以降低其载波频率。
This article proceeded with tri - nary baseband signal combining with binary ones, and then analyzed multi -nary digital baseband signal's frequency spectrum based on alternating wave and steady wave.
从三进制数字基带信号入手，结合二进制，利用交变波、稳态波分析了任意多进制数字基带信号的频谱特性。
The thesis expounds the cell design and timing design of the FPGA circuit in main controlling and baseband signal processing module, and develops the hardware of it, and programs part of the software.
本人参加了上述第一个项目软件无线电系统的整体设计，完成了主控与基带信息处理模块的硬件设计、部分软件设计调试，以及第二个项目的主控与基带处理单元模块的调试、最终完成整机调试和指标测试。
Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.
传统双上变频发射器通常采用中频(IF)混合器和射频(RF)混合器将基带用户信号依次转换成IF和RF。
The line code is an efficient way to make the baseband digital signal have some massage about the bit synchronization.
经过线路编码，可以使基带信号含有定时信息，解决了通信中的位同步。
Instead, the ramp output signal may be dependent upon a ramp control value received, e. g., from the baseband processor.
取代它的是，斜坡输出信号可由接收到的斜坡控制值决定，例如，该值可从基带处理器而来。
A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented.
提出了一种在基带采样率内对任意带通信号的正交采样技术。
A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented.
提出了一种在基带采样率内对任意带通信号的正交采样技术。
应用推荐