python爬虫获取大量免费有效代理ip--有效防止ip被封
以后再也不用担心写爬虫ip被封，不用担心没钱买代理ip的烦恼了 在使用python写爬虫时候，你会遇到所要爬取的网站有反爬取技术比如用同一个IP反复爬取同一个网页，很可能会被封。如何有效的解决这个问题...
TD-lte技术资料
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📚 TD-lte全部资料 (325个)
3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched access netwo...
Caribbean Markets : Mobile Broadband Development
4G Americas is an industry trade organization composed of leading telecommunications service provide...
2015_01_3GPP_unlicensed_Dino_Flore
Licensed spectrum remains 3GPP operators’ top priority to deliver advanced services and user experie...
Continuous-Time+Digital+Front-Ends
The book you’re holding, physically or electronically, is the result of a very interesting, challeng...
Essentials+of+LTE+and+LTE-A
The next-generation wireless broadband technology is changing the way we work, live, learn, and comm...
LTE, WiMAX and WLAN
For nearly a hundred years telecommunications provided mainly voice services and very low speed data...
LTE+Self-Organising+Networks
Mobilenetworkoperatorswillmeetmanychallengesinthecomingyears.Itisexpectedthatthe numberofpeopleconne...
LTE-Advanced Air Interface Technology
During the 400 days and nights before we finalized this book on January 1, 2012, we saw the sunset d...
LTE-Advanced+and+Next+Generation
In the nineteenth century, scientists, mathematician, engineers and innovators started investigating...