| 单词 | QPSK | ||||||||||||
| 释义 | QPSK
更多释义 收起释义 例句释义: 四相相移键控,四相移相键控 1. We study the use a continuous phase modulation (CPM) system providing mobile data service withQPSK transmission for a telemedicine system. 我们研究使用连续相位调制（CPM）的系统，提供移动数据服务QPSK调制传输的远程医疗系统。 www.lwtxw.com 2. The intermediate frequency band design adopts QPSK modulation technology to meet the requirement of fast moving transmission. 中频部分设计采用QPSK调制技术以满足快速移动传输的要求； www.fabiao.net 3. This paper gives the designing method of a PXI bus-based QPSK demodulation module based on the research of the PXI bus specification. 本文在研究PXI总线规范的基础上，设计了基于PXI总线的QPSK信号解调模块。 www.fabiao.net 4. The demodulation of QPSK signals includes non-coherent demodulation and coherent demodulation. QPSK信号的解调有非相干解调和相干解调。 www.fabiao.net 5. In the rainfall circumstance the probability distribution of satellite channel capacity is analyzed in QPSK modulation and 4QAM modulation. 在降雨环境中，进一步研究了卫星通信系统在QPSK调制和4QAM调制下的信道容量的概率分布。 www.boshuo.net 6. The traditional differential space-time block code(DSTBC) suffers from the signal constellation expansion for QPSK modulation. 传统的差分空时分组编码（DSTBC）在QPSK调制时存在着信号星座扩展。 www.dictall.com 7. QPSK modulation mode of Hamming encoding different signal to noise ratio in the quality of communication. 分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。 www.pudn.com 8. The algorithm suits for linear and nonlinear modulation, which is simple and can be realized all-digitally. 该算法计算量小，可全数字实现，适用于线性和非线性调制，利用QPSK调制信号进行仿真。 www.ceps.com.tw 9. QPSK modulating process in FPGA and design of peripheral circuit are introduced in detail. 具体介绍了如何利用FPGA实现QPSK调制的各个处理过程，并进行了电路设计和调试。 www.matlab-download.cn 10. A solution for realization of QPSK modulator with FPGA is presented. 提出了一种采用FPGA技术实现QPSK调制器的方案。 www.matlab-download.cn 1. Thus, it is significant to implementQPSK modulation in the spread spectrum communication system. 所以将QPSK技术应用于扩频通信具有重要的工程意义。 www.fabiao.net 2. With the developing of the space communication, the frequency spectral becomes more and more crowded, so the QPSK becomes a bottleneck. 随着卫星通信技术的飞速发展，使得有限的频带资源日益拥挤，成了应用“瓶颈”。 www.fabiao.net 3. The project introduces: Digital MMDS 30 programs, QPSK way the entire coding has been completed. 工程简介：数字MMDS30套节目，QPSK调制，全编码方式已完工。 glmingke.com 4. The project introduces: Digital MMDS 30 programs, QPSK way has been completed. 工程简介：数字MMDS30套节目，QPSK方式已完工。 glmingke.com 5. Therefore, the study of all-digital QPSK modulation and demodulation based on FPGA has important significance. 因此，基于FPGA的全数字QPSK调制解调的研究具有重要的意义。 www.fabiao.net 6. A method of realizing QPSK modulator based on FPGA is presented. 提出了一种基于FPGA实现QPSK调制器的方法。 kns50.chkd.cnki.net 7. Carrier synchronization technology on QPSK signal digital demodulation QPSK数字化解调中载波同步技术研究 www.ilib.cn 8. Performance and application of transmitting diversity in Rayleigh channel with QPSK modulation QPSK调制方式下瑞利信道发端分集的性能分析及实现 ilib.cn 9. Carrier Synchronization Recovery for QPSK Signal with Number Controlled Oscillator 利用数控振荡器对QPSK信号的载波恢复 service.ilib.cn 10. Mento Carlo Simulation and Performance Analysis of QPSK Coherent Measurement Systems QPSK相关检测系统蒙特卡罗仿真及其性能 www.ilib.cn 1. An Algorithm for Rectifying Large Frequency-Offset in Fully Digitized QPSK Demodulation 一种用于全数字化QPSK解调的大频偏矫正算法 www.ilib.cn 2. Study on phase ambiguity resolution of QPSK digital demodulation QPSK数字化解调相位模糊校正方法研究 www.ilib.cn 3. QPSK Digital Microwave Engineering recent client list 数字微波工程客户名录 www.ichacha.net 4. Performance of QPSK in the presence of nonideal transmitters 非理想发射机情况下的QPSK性能分析 www.ilib.cn 5. PLL-QPSK, phased-locked loop quadrature phase shift keying 锁相环四相相移键控 ruirxo.blog.bokee.net 6. Effects of RF Channel Nonlinear Distortion on QPSK Signal 对射频信道非线性影响QPSK信号的分析 ilib.cn 7. keying, quadrature phase shift (QPSK) 正交相位变换键控 www.hjenglish.com 8. A precise SNR estimation algorithm for QPSK signals 一种精确的QPSK信号信噪比估计算法 ilib.cn 9. Research on synchronization of all digital QPSK receiver 全数字QPSK接收机同步技术研究 service.ilib.cn 10. quadrature phase shift keying (QPSK) 四相移相键控 www.hjenglish.com 1. How to Choose a Suited Filter During the QPSK Modulation and Demodulation QPSK调制解调过程中滤波器的选取与研究 www.ilib.cn 2. A SNR Estimation Method for QPSK Burst Signals 一种QPSK突发信号的信噪比估计方法 www.ilib.cn 3. The Designation of Digital Modem of QPSK QPSK数传调制解调器的设计 www.ilib.cn 4. Research Based on QPSK Carrier Recovery Method of Sweeping Algorithm 基于扫频算法的QPSK载波恢复技术研究 www.ilib.cn 5. Design of QPSK Demodulation Based on Software Radio 基于软件无线电的QPSK解调的设计 www.ilib.cn 6. Digital MMDS 45 programs QPSK way Building now 数字MMDS45套节目，QPSK方式在建中 glmingke.com |
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