Study in Brain System in controlling communication and JAR -Modeling on stimulation and behavior and its analysis

本研究对神经行为学中的刺激和行为控制系统进行研究。弱电鱼类的通讯和干扰回避反应(JAR)系统是著名的神经行为学系统之一。研究人员从生物信号处理的角度对通信系统进行了研究，人工通信系统的研究有望成为认识生物通信系统的又一条很好的线索。研究人员还研究了扩频调制方案的基础研究及其在个人移动通信业务中的应用。简化了接收机的配置。研究了扩频通信。同步电路采用数字化技术实现，结构复杂，功耗高。该接收器已被研究为通过与由模拟MOS LSI配置进行的模拟数据处理相对应的减小字长来实现。研究了匹配滤波电路、采样/保持电路、包括赢家通吃的峰值检测电路。相关系统由具有空间分配和时间域控制的单个匹配滤波器组成。接收的数据序列与候选PN码之间的相关运算。具有多输入能力的神经元MOS(VMOS)简化了多数据的关联。本研究的结果是，利用所提出的方案可以实现降低复杂度和降低功耗的配置。

Systems controlling stimulation and behavior in neuro-ethology are investigated in this study. The system of communication and Jamming avoidance responses (JAR) in weakly electric fish are one of famous system of neuro-ethological system. The researchers investigated the system of communication in a view point of biotical signal processing.It is expected that researches of artificial communication system should be another good cue to know the biotic communication systems. The researchers studied also basic investigation of Spread Spectral (SS) modulation scheme and application to personal mobile communication services.Simplified configurations of receiver have been. studied for Spread Spectrum communications. The synchronization circuit are implemented by digital technologies, which cause complex configurations and high power consumption. The receiver has been studied to be implemented by reduced word length corresponding to analog data processing done by analog MOS LSI configuration. The circuits of matched filters, sample/hold, peak detection including winner take all have been investigated. A correlation system is composed of a single matched filter with spatial allocation and time domain control. The correlation operation between received data sequences and a candidate PN code. The correlation of multiple data has been simplified and composed by the neuron MOS (vMOS) with the capability of multiple inputs. As a result of this study, a configuration with reduced complexity and reduced power consumption has been found realizable with the proposed scheme.