PSAM

A study of turbo product coded PSAM in slowly fading channels

慢衰落信道中Turbo乘积编码PSAM的研究

Study on the Turbo product coded PSAM system with two-branch receive diversity

两路接收分集Turbo乘积编码PSAM系统的研究

Spectral Efficiency of Adaptive Modulation OFDM Using PSAM

PSAM自适应调制OFDM的频谱效率

Improving performance of Turbo product coded PSAM using clipper in Rayleigh fading channels

利用限幅器改善Rayleigh衰落信道中Turbo乘积编码PSAM系统的性能

The Preparation of Flow Modifier PSAM / ZrP and its Impact on PC / ABS Performance

流动改性剂PSAM/ZrP的制备及其对PC/ABS性能的影响

The communication procedures between gateways based on the recommendation T. A Channel Estimation for PSAM and Cyclic Prefix OFDM Systems

一种基于导频和循环前缀的信道估计方法

Synthesis and Catalytic Activity of PSAM · NdCl_3 in the Polymerization of Polar Monomer Synthesis of poly ( styrene acrylamide ) supportedneodymium chloride

氯化钕丙酰胺配合物的合成、表征及催化性能聚（苯乙烯－丙烯酰胺）三氯化钕配合物的制备

The channel estimation algorithm based on frequency-domain PSAM method firstly estimates the channel frequency response ( CFR ) in pilot position and then estimates CFR in data position by filter processing .

基于频域导频辅助的信道估计方法首先估计导频位置的信道响应，然后通过滤波处理得到数据位置的信道响应。

This paper presents the method of turbo coded pilot symbol assisted modulation ( PSAM ) and its iterative decoding , which could improve the performance of QAM in slowly fading channels .

提出了在慢衰落信道中引导符号辅助调制（PSAM）系统中Turbo乘积编码的实现方法和相应的迭代译码技术，这种技术有效改善了慢衰落信道中QAM调制系统的性能。

To estimate the channel well , we introduced a pilot signal aided modulation ( PSAM ) technology , and utilize certain interpolation way to get the statistical effect of channel , hence afford loss compensation for signal demodulation .

为解决信道估算的问题，本课题引入导频信号辅助调制，应用一定的插值法，得到信道的统计特性，对信号解调进行衰落补偿。

By applying the PSAM to estimate the channel state information , the proposed method can be used to realize the decoding of TPC in flat Rayleigh-fading channels . The equal gain combining can improve the performance of TPC-PSAM .

为了进一步改善TPC-PSAM系统的性能，利用等增益分集合并来改善TPC-PSAM在平坦Rayleigh衰落信道中的性能。

By optimizing some typical algebraic equations with many local minima , the presented method is compared with simulated annealing method , powell method and PSAM method . Simulating results illustrate that the algorithm presented in this paper is very effective , stable and reliable .

最后通过对一些典型的多极值方程进行优化，比较了APSAM方法与模拟退火法、POWELL法和PSAM方法的优化结果，仿真结果说明提出的算法优化能力较强，效果稳定可靠。

In particular , the power sub-portable payment terminals , desktop , unmanned wall , there are credit card , printing , GPRS , IC-card read-write ( with PSAM , IC cards , SIM ) functions .

尤其是电力缴费终端产品分手持式、台式、无人值守壁挂式，有刷卡、打印、GPRS通信、IC卡读写（含PSAM、IC卡、SIM）等功能。