直接数字频率合成技术DDS的Matlab系统建模及频谱分析，同时对相位截断误差和量化误差同进行了分析-Direct digital frequency synthesis technology of DDS Matlab system modeling and spectral analysis, while the phase truncation error and quantization error are analyzed with

BUTTON LPC2148 The Virtual System Modeling (VSM) component complements the PROTEUS package ... standard and high resolution passive STN, and 36-hit active matrix TFT LCD panels. ...... Antenna impedance 50 CI Data rate 2.4 kbps Transmit power Appro