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- This paper deals with the sampling, processing, characterristic extraction,automatic identification, clusster analysis of the communication signals includingAM(DSB,SSB),ASK,FSK,PSK signals and demodulation of the BPSK signal. 本文对常用通信信号,即调幅(AM)、双边带调制(DSB)、单边带调制(SSB)、二进制幅度键控(ASK)、频率键控(2FSK、4FSK、8FSK)、相位键控(2PSK、4PSK、8PSK),在接收机的输出端进行采样、处理、特征提取、模式识别、聚类分析以及解调。
- Parameters Estimation of BPSK Signal Based on Frequency Mixing 基于混频的二相编码信号参数估计
- Non-coherent demodulation of BPSK signal based on time measuring 基于时间测量的BPSK信号非相干解调方法
- Demodulating BPSK signal by calculating number of pulses during every code and making parity checks 用脉冲计数和奇偶校验法解调BPSK信号
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- A New Direct Decimation Algorithm and Simulation for Digital Down-Conversion of BPSK Signal 信号直接数字下变频的算法与仿真
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Number of entries in the DS cache. DS缓存中的项目数量。
- The lower stratum divides again into Ds and Es. 下层又分成D级和E级。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- Made ECs damage model induced by DS. 建立DS诱导的内皮细胞损伤模型。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- The Nintendo DS is not detecting any Access Point. 任天堂DS不是检测任何存取点。
- Everyone uncovered when the signal sounded. 信号响时,人人脱帽致敬。
- On game days we get to play (DS) all day. 在游戏机日,我们可以一整天都玩游戏机。