| 1. | The principle and application of dpsk and fsk modem ts
7515的原理及应用 |
| 2. | Principle of optical dpsk modulation format
光差分相移键控调制格式原理 |
| 3. | Study of digital demodulation method for dpsk - pm modulated signals
调制信号数字解调方法研究 |
| 4. | Linear filter iterative differential dpsk demodulation and decoding
基于信道线性滤波估计的迭代解调及译码技术 |
| 5. | Analysis of performance for dpsk dispersion managed soliton transmission system
色散管理孤子传输系统性能分析 |
| 6. | Dpsk is one of the means to represent digital information through relative carrier phase of the neighboring symbols
Dpsk方式即是利用前后相邻码元的相对载波相位值去表示数字信息的一种方式。 |
| 7. | The simulation systems of modulation and demodulation for dpsk and qdpsk signals is created in system view in preparation for analyzing and researching adaptive demodulation
在systemview中建立了完整的dpsk 、 qdpsk调制解调仿真系统,为自适应解调仿真分析研究做出了铺垫。 |
| 8. | In transmission system , the original signal is modulated to ofdm signal after be coded in dpsk . and in receiving system , the modulated ofdm signal is synchronized and demodulated
在发射端,将以一定速率输入的二进制信息在进行dpsk编码后调制到基带ofdm信号上,在接收端,对已调制的ofdm信号进行同步和解调。 |
| 9. | The method is given to solve the problem in adaptive demodulation that adjudgement will worsen when the snr is low . by using the error signals to reduce the demodulated signals , the bit error rate will be improved
仿真中,针对dpsk信号的自适应解调中小信噪比下门限失效的问题,提出了利用误差改进门限判决的方法,将误码性能提高了1 2db 。 |
| 10. | In this thesis , we focused our attention on demodulation and digital signal processing ( dsp ) technique in the dpsk differential detection system used in pico - satellite test and control instructions , mainly from the point of view of software
论文围绕皮卫星通信中测控指令的dpsk差分解调系统，重点从软件角度对通信解调技术和数字信号处理的一系列问题进行了实践和研究。 |
