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以双向DC-DC变换器为例，通过双向控制模型的分析，采用PID 补偿环节的单电压闭环实现了BDC系统闭环稳定。(Bi-directional DC-DC converter, for example, through the analysis of the two-way control model, the single-voltage closed-loop PID compensation link to achieve a the BDC system closed-loop stable.)

battery NiMH Charging

BIT1612使用说明书，包括详细的电路设计参考文件，(BIT1612 Manual, including the detailed circuit design reference document,)

说明：  Owing to the broad application value of audio watermarking in remote transmission and mobile extraction, it is very important to study watermarking approaches against A/D and D/A conversion. Based on wavelet decomposition and cepstrum technology, an audio watermarking algorithm is proposed where the low-frequency wavelet coefficients are chosen for cepstrum transforming. Then, the obtained cepstrum data shows stable for watermark hiding by the methods of edging data cutting and statistical mean modification. The synchronization is not required in the algorithm. Experimental results show that the proposed algorithm can resist on the attack of A/D and D/A successfully with features of large capacity and zero bit error. It will be helpful for the mobile audio in secure broadcast and management in the

RS 编码 优秀论文，有流程框图和C源码(RS coding excellent papers have flow diagram and C source code)

射频功放的设计，仿真软件是ADS,讲解很详细，包括负载牵引，生成layout等的详细介绍(RF power amplifier design, simulation software ADS, to explain in great detail, including load traction to generate the details of the layout, etc.)

Linux From Scratch的中文指导,学习LINUX很有用(Linux From Scratch the Chinese guide, learning useful LINUX)

国外平衡车的程序，烧录文件，包含图纸和印刷电路图(Balanced car abroad program, burning documents, including drawings and printed circuit)

说明：  Solving Economic Load Dispatch Problem Using Particle Swarm Optimization Technique

汽车整车级电磁兼容仿真，包括线缆线线束的电磁辐射分析等(EMC Simulation of vehicle grade, including electromagnetic radiation analysis of cable wiring harness, etc.)