A feasible digital intermediate frequency receiver based on software radio technology is presented in this paper.
基于软件无线电思想介绍了一种可行的中频数字化接收机系统设计方案。
This paper introduces the theory and design method of digital intermediate frequency receiver, and based on high speed DSP and FPGA establish hardware process platform.
介绍了一种数字中频接收机的原理与设计方法，并以高性能DSP、高速fpga为基础，搭建硬件处理平台。
The key component of the system is a digital intermediate frequency receiver employing DSP and FPGA to obtain amplitude and phase data in real-time, which improves measurement speed and flexibility.
该系统的关键部件是一个数字中频接收机，利用DSP和FPGA实时获取幅度和相位数据，从而提高了测量速度和灵活性。
First, the theory and basic knowledge of digital Intermediate Frequency receiver and the Genetic Algorithms principle for optimizing the quantization coefficient of the digital filter are expatiated.
首先，对数字中频接收机理论基础进行叙述。并讲述了用于优化数字滤波器系数的遗传算法原理和算法。
And the application in intermediate frequency digital receiver proves this software system's efficiency and dependability.
在中频数字接收系统中的应用验证了此软件系统的效率和可靠性。
In order to decrease the mirror frequency interference, cross interference and inter-modulation interference, double IF (Intermediate frequency) is adopted in the receiver.
为了降低镜频干扰、交调和互调干扰，接收机采用了双中频方案。
On the basis of software radio, a mathematics model about DSSS receiver is described, and a realization diagram of wide_scope intermediate frequency sampling DSSS receiver is builded.
基于软件无线电的思想，论述了直接序列扩频接收机的数学模型，进而建立了一个宽带中频采样直扩系统接收机的实现框图。
Narrow band intermediate frequency digital receiver has been widely used in radar EW reconnaissance. At present, the high speed signal processing is the key point of its researching.
窄带中频数字接收机在雷达对抗侦察中得到了广泛应用，其高速信号处理技术是目前研究的重点。
GPS digitized intermediate frequency signal sampler was used to validate the algorithm of acquisition and tracking of software receiver.
采用GPS中频信号采样器采集实际GPS数据，对搜索和跟踪算法进行了验证。
A bipolar logarithmic intermediate-frequency (if) amplifier with received signal strength indicator (RSSI) circuit for ASK Receiver is presented.
一种适用于ask接收器中的双极型对数中频放大器，具有接收信号强度指示的功能(RSSI)。
This direct conversion receiver can eliminate the need for intermediate frequency (IF) signal processing, as well as the corresponding requirements for image filtering and IF filtering.
这种直接转换接收器能够免除进行中频(IF)滤波的需要。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
应用推荐