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书籍 Signal Processing for Telecommunications

This paper presents a Hidden Markov Model (HMM)-based speech enhancement method, aiming at reducing non-stationary noise from speech signals. The system is based on the assumption that the speech and the noise are additive and uncorrelated. Cepstral features are used to extract statistical informati ...
https://www.eeworm.com/dl/522115.html
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书籍 RFID+Essentials

LIKE SO MANY OTHERS , THIS BOOK WAS WRITTEN BECAUSE WE COULDN ’ T FIND ONE LIKE IT . We needed something to hand to all of those people who have come to us asking for “a good book to read on RFID.” When we looked for candidates we found some great books, but most were aimed at electrical engineer ...
https://www.eeworm.com/dl/522396.html
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技术资料 PW1555-2.0.pdf规格书

PW1555 is a programmable current limit switch with input voltage range selection and outputvoltage clamping. Extremely low RDS(ON) of the integrated protection N-channel FET helps toreduce power loss during the normal operation. Programmable soft-start time controls the slew rateof the output voltag ...
https://www.eeworm.com/dl/829668.html
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技术资料 Rockchip RV1108 Datasheet

RV1108 is a high performance low power application processor. It is embedded with a new generation DSP for digital process and an ARM Cortex-A7 single core processor for system and application. Especially, it is a high-integration and cost efficient SoC which can support H.264 video encoder/decoder ...
https://www.eeworm.com/dl/842595.html
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技术资料 LTE网规网优基础知识问答汇总(全集)--华为

1.1 为什么要从3G向LTE演进  问题答复:  LTE(Long Term Evolution)是指3GPP组织推行的蜂窝技术在无线接入方面的最新演进,对应核心网的演进就是SAE(System Architecture Evolution)。之所以需要从3G演进到LTE,是由于近年来移动用户对高速率数据业务的要求,同时新型无线宽带接入系统的快速发展,如WiMax的出现, ...
https://www.eeworm.com/dl/843559.html
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技术资料 住宅防火报警系统设计

这篇文章主要介绍了住户防火报警系统。以MCS-51系列的80C51为核心结构,当自动监测器监测到火灾时,可实现声光报警、故障诊断、浓度显示、报警上限设置、延时报警及串口通信,向单片机发出请求,再通过单片机控制相应的报警和驱动负载,实现自动防火报警功能。This paper mainly introduces the household fire alarm system.Tak ...
https://www.eeworm.com/dl/894645.html
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技术资料 基于单片机的智能化抄表系统设计分析

我国城市化进程的加快,科技水平的提升,使得人们的用电需求逐渐增多,这对于供电公司来说,传统的抄表方式已经不能满足现阶段的社会发展需求。基于此本文对单片机的智能化抄表系统设计进行分析,主要分为四部分,一是硬件设计,二是通讯设计,三是软件设计,四是抗干扰设计。As the acceleration of urbanization in China and the ...
https://www.eeworm.com/dl/896107.html
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技术资料 基于VB.NET和51单片机的铁路变电所倒闸操作模拟平台开发与研究

通过研究铁道变电所运行状况,发现变电所运行人员进行倒闸操作培训和执行倒闸操作的监控系统不能随意操作存在一定的矛盾,为了解决该问题,开发了给予VB.NET和51单片机为基础的倒闸模拟平台,给学习和培训铁道供电倒闸操作的相关人员一定支撑,具有一定的科研和推广意义。Studying the switching operation of railway substatio ...
https://www.eeworm.com/dl/897919.html
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技术资料 基于STC单片机的非预约式合乘出租车计费系统设计

系统以STC单片机为基础,利用霍尔元件脉冲信号及压力传感器触发计价器的自动计费,通过压力传感器实现乘客数量统计,语音识别得到出行目的地。通过车载显示屏显示出租车载客及合乘相关信息,提供非预约合乘条件,对提高出租车利用率和缓解交通问题具有现实意义。Based on the STC single chip microcomputer,the system uses the ...
https://www.eeworm.com/dl/898067.html
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技术资料 基于PIC单片机的低压自动化电动机综合保护器

PIC单片机作为系统中数据信息存储的重要组成部分,能够保证数据处理的可靠性和集成性,促进电子技术快速发展。文章对PIC单片机的低压自动化电动机综合保护器的设计和应用进行了分析,明确PIC单片机为核心的电动机综合保护器的优势,促进电动机的稳定运行。PIC microcontroller is an important part of data storage in the sys ...
https://www.eeworm.com/dl/898123.html
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