Baseband is a network technology in which only one carrier frequency is used.
基带是一种网络技术，其中只有一个载波频率的使用。
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。
This paper introduces the characteristics of hopping frequency technology and the utilization of baseband and RF hopping frequency technology.
文中阐述了跳频技术的特点及基带和射频跳频技术的具体使用方法。
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。
A baseband controller for high frequency RFID tag IC is presented in this paper.
设计了一款应用于高频射频识别标签芯片的基带控制器。
Based on the engineering practice, the composition, function and design of baseband equipment are explained detailedly, a method for measuring the time delay and frequency is introduced.
结合工程实践，从综合基带的设备组成、功能、设计上进行了详细阐述，并介绍了一种时延测量和频率测量的方法。
This article introduces the core chip(baseband chip and radio frequency chip), uses"the Chinese clip group" SCDMA colored screen handset design and application.
介绍了核心芯片（基带芯片与射频芯片）采用“中国芯”的SCDMA彩屏手机的设计与应用。
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。
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。
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。
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。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
Based on Gaussian random process model and continuous-time system in time domain, this paper analyzes the effect on baseband and intermediate frequency sampling due to clock jitter.
该文从时域连续信号角度出发，按照高斯随机过程模型，分析了时钟抖动对基带和中频线性调频信号信噪比的影响并给出了近似公式。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
一种基于数字波束的智能天线实现装置，包括：阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
一种基于数字波束的智能天线实现装置，包括：阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
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