1) all-digitized QAM receiver
QAM全数字接收机
2) all digital receiver
全数字接收机
1.
This paper researched the timing extraction technique in the implementation of the all digital receiver in detail.
针对全数字接收机研究中的定时提取技术 ,对数字滤波和近最佳定时提取算法进行了新的改进 ,通过计算机摸拟表明改进后的算法具有收敛速度快、抖动小、抗载波固定相差和运算量小等特点。
2.
Based on the correction algorithms via digital filter, this paper deals with the design and realization of an all digital receiver with differential quadrature phase shift keying (DQPSK) modulation scheme, which has a data rate of 4.
８ｋｂｉｔ／ｓ的四相差分相移键控调制（ＤＱＰＳＫ）的全数字接收机，并且对存在多普勒频漂和载波频差时的性能进行了分析和测试。
3.
Carrier synchronization is a key technology of all digital receiver for QPSK signal coherent demodulation.
QPSK信号相干解调时的载波同步是设计QPSK全数字接收机的一个技术难点,它有两个方面,一是载波频偏估计,二是载波相位估计。
3) all-digital receivers
全数字接收机
1.
The interpolation performance of BPSK all-digital receivers is investigated through simulation.
现代通信越来越依靠全数字处理技术,本文介绍了全数字接收机中的定时调整问题,并对BPSK全数字接收机的内插性能进行了仿真。
4) All-digital receiver
全数字接收机
1.
To the trend of replacement of tranditional analog receiver with all-digital receiver, an all-digital DS/CDMA receiver has been implemened on a FPGA.
针对全数字接收机正逐步取代传统模拟接收机的发展趋势,在一片FPGA上实现了全数字DS/CD MA接收机的系统设计。
2.
A residual frequency offset correction algorithm based on the minimum mean square error in all-digital receiver is introduces,which aims to decline the cumulative error rate caused by the residual frequency offset,and to determine the size of decision threshold through the use of minimum mean square error criterion.
介绍了一种在全数字接收机中基于最小均方误差的残余频偏矫正算法,目的是改善由于残余频偏累积引起的误码率的加剧,以及通过利用最小均方误差判定准则确定判决门限值的大小。
3.
This paper is concerned with the carrier residual frequency offset,which may drag down the system performance owing to its incomplete estimation during the carrier frequency offset estimation in the all-digital receiver.
为解决全数字接收机载波频偏估计过程的载波频偏估计不完全引起的系统性能下降的问题,该文在分析和研究残余频偏与残余相偏之间关系的基础上,提出了一种基于LMS短时反馈的载波残余频偏矫正算法,即利用反馈时间段内计算出来的残余相偏来直接矫正后续接收数据的相位。
5) All-digital receiver
全数字式接收机
1.
The development of modern radar receiver tends to the trend of all-digital receiver,now the speed of ADC and DSP chip limits its utillization.
全数字式接收机是未来雷达接收机的发展方向。
6) fully digitized receiver
全数字化接收机
补充资料：接收机
接收机
影像学设备的元件之一。接收来自天线或电声换能器及其他传感器输出的电信号，并转换成可视、可听、可记录的电磁场、声场或其他物理量、化学量的场的原始信息的设备。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条