Galaxy Nexus built-in barometer discussion: "2D GPS" and "3D GPS"

Google and Samsung collaborate in released last week by the new Galaxy Nexus, this phone carrying a lot of "new stuff", for example Barometer (Barometer). In the subsequent media comments and developers discussion, all think that mobile phones with built-in barometer is in order to predict the weather, help developers to make more accurate weather class App.

But Google engineer Dan Morrill in Google + described the role of barometer:

In fact Galaxy Nexus barometer and not outside had conjectured so mysterious. It is the most key role, is to let the GPS positioning faster and more accurate.

In theory, GPS is a four-dimensional system, it can get a 3d space coordinates and a time to coordinate. That's right, most wireless base station is through the GPS to gain time (in synchronous communication system is of vital importance to the). But a big weakness is GPS: precise positioning your geographic coordinates, the need for a couple of minutes.

This is why you of cellular phone specification table to write "AGPS" (assisted GPS) sake-mobile phone use base station information can be quickly locate, but not high accuracy, and is limited to the plane. I put the location called "2D GPS".

Hero, flytouch (fly touch), such as Android phone connection adhoc pad system and the solution of the wireless network

The days get android even, this kind of means of adhoc is to let my android phone and pad networking the easiest way. But even a little faults adhoc natural android. Google, to the discovery and I demand or a lot of people, but to the top issues as official not many people.

Datang telecom AirPad X1 tablet computer appeared for the first time China's information industry nets 2011-9-27 when

Datang telecom AirPad X1 Tablet PC appeared for the first time China's information industry nets 2011-9-27 when
On the market at present the Tablet PC are mostly don't support 3 G network, so even if very portable, also can't enjoy the tablet pc to fully cover the mobile phone network 3 G network, but the datang telecom AirPad X1 do this, at the same time in the whole configuration,...

Amazon tablet computer won three magazine publishers support sina passed 2011-9-27
Guide language: the technology blog AllThingsD writer Peter Kafka (Peter Kafka) writing today, said the magazine and amazon are publishers signed an agreement to attract them through its upcoming tablet computer to distribute the digital information, thus consolidate their online content business. The following is the full text: in 2010, the magazine publishers for iPad through the prospect of release its information and dizzy. But this year,... Article 5 the same news-baidu snapshots

Amazon Kindle Fire tablet computer PCHOME pre-ordered 2011-9-27 15:15
It did not give any other details, but according to the news, the industry before being this is to publish Kindle tablet computer. The outside world all hope that Amazon Kindle Fire out after the iPad and evaluation can be competition. But it seems, amazon's goal is just the Barnes&Noble Nook Color. According to the report, Gdgt Amazon Fire will be determined by electronic manufacturing, quanta... Baidu snapshot

Samsung Galaxy series two section new tablet computer dospy smartphone nets 2011-9-27 released 15:06
Galaxy Tab 8.9 is now we saw the most fine thin tablet computer, and the design and more portable. This opportunity on October 2, put on sale, the user is now can Best Buy in reservation: Galaxy Tab 8.9 16 GB price of $469 ($3008 yuan); Galaxy Tab 8.9 32 GB price of $569, or about 3650 RMB. ... Baidu snapshot

Mobile phone tablet computer market prospects for example? Xinmin nets 2011-9-27 sets
2011 years later, are expected to enter a large manufacturers will join for market with rich products, meet all types of users will have products subdivide market, tablet computer market will present BaoFaShi growth, at the same time tablet computer in the field of the commercial value will increasingly appear, market growth than the computer, the Internet-2011 2013 China tablet computer market compound annual growth rate is expected to reach 151.8%. It seems,... Baidu snapshot

Lock the mainland market RenBao group will hand in hand to Taiwan association established Chinese Taiwan nets 2011-9-27 15:00 manufacturer
RenBao group deputy general manager LvQingXiong said, look out for 2013 years later with software and hardware more mature and NB after tablet computer market growth potential in Europe and the United States, plus lenovo, emerging markets and the mainland market share increasing, the two sides decided to joint venture established in hefei new manufacturing company, the new company will with the mainland, is expected to give priority to domestic demand market by the end of 2012 but quantity production,... Baidu snapshot

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