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https://www.eeworm.com/dl/834448.html 技术资料

PCB 焊盘与孔设计工艺规范

1. 目的 规范产品的PCB焊盘设计工艺， 规定PCB焊盘设计工艺的相关参数，使得PCB 的设计满足可生产性、可测试性、安规、EMC、EMI 等的技术规范要求,在产品设计过程中构建产品的工艺、技术、质量、成本优势。 2. 适用范围本规范适用于空调类电子产品的PCB 工艺设计，运用于但不限于PCB 的设 ...
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https://www.eeworm.com/dl/646/380037.html 通讯编程文档

H.264/AVC, the result of the collaboration between the ISO/IEC Moving Picture Experts Group and the

H.264/AVC, the result of the collaboration between the ISO/IEC Moving Picture Experts Group and the ITU-T Video Coding Experts Group, is the latest standard for video coding. The goals of this standardization effort were enhanced compression efficiency, network friendly video rep ...
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https://www.eeworm.com/dl/665/478282.html matlab例程

Consider a BPSK and a QPSK system for the following two cases: 1) The probability that the symbol 1

Consider a BPSK and a QPSK system for the following two cases: 1) The probability that the symbol 1 is sent and the probability that the symbol 0 is sent are all the same. 2) The probability that the symbol 1 is sent is two times than the probability that the symbol 0 is sent. As ...
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https://www.eeworm.com/dl/509629.html 学术论文

永磁同步直线电机控制系统的设计与仿真

本文首先对直线电机的原理和控制方法进行综述，然后利用Matlab进行仿真并作出简要分析。
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https://www.eeworm.com/dl/619/327242.html Linux/Unix编程

序列对齐 Compare a protein sequence to a protein sequence database or a DNA sequence to a DNA sequenc

序列对齐 Compare a protein sequence to a protein sequence database or a DNA sequence to a DNA sequence database using the Smith-Waterman algorithm.[.wat815.] \fCssearch3\fP is about 10-times slower than FASTA3, but is more sensitive for full-length protein sequence comparison ...
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https://www.eeworm.com/dl/617/269885.html 压缩解压

老外的超高效率压缩

老外的超高效率压缩，High efficient Data Compression Library for use with Delphi. Support Rank, ZIP, BZIP and PPM compression algorithms. Compression ratio more than 1.5-2 times better than ZIP/RAR archiver. Compression speed up to 8 Mb/sec (on PIII-600).
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https://www.eeworm.com/dl/521782.html 书籍

The Cognitive Early Warning Predictive System

I saw the light of the future when I first read Ray Kurzweil’s best-seller book The Singularity Is Near: When Humans Transcend Biology. One cubic inch of nanotube cir- cuitry, once fully developed, would be up to one hundred million times more powerful than the human brain.
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https://www.eeworm.com/dl/534/476774.html 其他

Some time ago, I stated in another article that I d take the idea of location broadcasting and devel

Some time ago, I stated in another article that I d take the idea of location broadcasting and develop a mobile solution as a follow-up. The problem back then was I had no means to get location data off of a cell phone, or a way to make it useful. My, how times have changed since ...
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https://www.eeworm.com/dl/520028.html 源码

数据库实验五

1．在订单数据库orderDB中，完成如下的查询： （1）用子查询查询员工“张小娟”所做的订单信息。 （2）查询没有订购商品的且在北京地区的客户编号，客户名称和邮政编码，并按邮政编码降序排序。 （3）查询订购了“32M DRAM”商品的订单编号，订货数量和订货单价。 （4）查询与员工编号“ ...
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https://www.eeworm.com/dl/689/315708.html SQL Server

Advanced SQL For this exercise, we will use the library schema. It includes information about book

Advanced SQL For this exercise, we will use the library schema. It includes information about book titles in the library, information about library members, about the number of times the books were read by members, about the suppliers who supply books to the library, and about or ...
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