, encrypt and decrypt accepted data, compress and decompressApplication layer: The main corresponding computer application software, namely the terminal application2. Network communication elementsIP Address(1) Identification of devices in the network(2) Hard to remember, available host name(3) Local loopback address: 127.0.0.1 host name: localhostPort number(1) The logical address used to identify the process, and the identity of the different processes(2) Valid port: 0~65535, where 0~1024 is t
-Telecommunication Standards Department
Sc:subscriber Connector (Optical Fiber Connector) User connector (optical connector)
Sc-d:duplex SC Connector Duplex SC connector
Sti:surface Transfer impedance Surface transmission Impedance
St:straight Tip Straight-through fiber optic connector
Scs:stractured Cabling System structured wiring Systems
Slc:sate llite commumication Satellite Communication
Snr:sighal to Noise Ratio signal to noise ratio
Stb:set-top-box Set-top box
Tc:telecommunicatio
application, each element for different users, different times are different.
The user's requirements can be the flow of information between multiple devices within a limited range, or the flow of information between a limited range of devices and a public network, or even between all devices within a limited range and between these devices and the public network. This limited range can be: Inside the home, in the office.
Depending on the needs of the user, the home network involves a number
the simplest and direct to help users solve the problem is undoubtedly very good. Users need online shopping, Taobao Beijing east. Users need to save money online, return to the net, return network. Users need phone voice intercom, micro-letter came. Users need to participate in micro-letter red envelopes, Micro red envelopes came. (Small advertisement for a moment, haha.) In short, the station before the establishment of the user's perspective to th
same LAN (office) intercom, select AMR Code
(WiFi easy to use, CMCC network bad with prompt no local IP) LAN test: Windows XP installation xlite SIP phone test a xlite, in the office, landline call 07503095590, go to xlite, call OK
WAN test: Windows XP installation xlite SIP phone test a xlite, not in the office, landline call 07503095590, go to xlite, call OK WAN Test: A BlackBerry, not in the Office, Fixed call 07503095590, go to Xlite, but no voic
Reading notes: "Rework Again""Re-rework--more simple and effective business thinking" this book is to read someone else's book and purchase, when the first to get this book to look, feel two points and ordinary books, one is very short, usually a page, up to two pages, two is accompanied by a large number of illustrations, the original thought these illustrations may be used to gather pages But look at some
how points can be clustered using minimum spanning trees. we hope that people without a handle on algorithmic terminology can flip through reading the pictures and identify which problems might be relevant to them. we augment these pictures with more formal written input and problem descriptions in order to eliminate any ambiguity inherent in a purely pictorial (painted, illustrated, illustrated) representation.
To improve the readability of the list, we have designed a pair of
In the longer project period, we first set the direction and objectives of the design, so that the project from the beginning to the end can be in accordance with brand standards and direction, in the context of a unified visual elements, effectively output the results.
The divergence of each phase is achieved within the original set of brand planning scope. Here is a concrete look at how we achieve "through" the bar.
We from "shape, color, meaning" three pieces to sum up the double 12 we do.
illustrations), while others may be abstract and obscure. Large, virtual, or blurred graphs can be seen everywhere.
The color block background is also popular, but it is not the usual kind of black and white that never goes out of style. Many designers use strong, intense colors to help highlight the content of the site from the background.
Finally, patterns and textures are used a lot. But the size of the shape has changed a lot recently. More and
The slide visual effect is good and bad, the color factor occupies at least 30% of the proportion. Color matching affects the visual comfort of the audience in viewing the slides, and on the other hand, it hints at the speaker's theme. For the primary ppt maker, color matching is a big problem. How to do the color of the slide, it is worth our time to study and study.
We usually make slides, the use of the diagram or master is our usual accumulation or network collection. In the color of slides
In web design, changing the content into a beautiful design has unlimited possibilities, styles and techniques to use. Illustration is one of the styles, it can bring to the site a new level, illustrations become more and more popular, and some designers really put some style to play to the extreme.
Below, you'll find 40 ingenious, beautifully illustrated designs that combine to create an eye-pleasing style.
Beautiful
Hardware is the huaqing Vision Research and Development center spent a lot of manpower, material independent research and development of an open source intelligent hardware terminal, which includes visual intercom, home security, home cabling, lighting control, home appliance control, remote monitoring, sound monitoring, home audio and video systems, etc., involving a wide range of knowledge, This topic is designed to help clarify key technologies in
; "alt=" laughs "src=" http://static.blog.csdn.net/xheditor/xheditor _emot/default/laugh.gif "style=" Border:none; "/>, So use Windows first rush to go online after that again. 3, can meet my customer video , photo and other functional requirements, but also high-definition video . 4,C + +, Delphi, Java, C #, VB, obj-c and other mainstream development language are supported. 5, core server, Business Server independent of each other, suitable for two times development, business logic clear; Suppo
Mobile video TechnologyIn the voice communication has been the education, medical, social, e-commerce and other fields of mobile applications and fully developed today, people are not content to rely on voice calls only to convey information. Developers need to incorporate their own business scenarios into their products to embed voice chat, video calls, voice intercom and other real-time call functions. But higher technology thresholds and developmen
improvements and made a complete set of Silverlight for Windows Phone development tutorials. Such as drinking water, warm self-knowledge.
There are still many difficulties in early production. For example, it is very difficult to speak Mandarin, because it usually only speaks Cantonese and English, and basically does not speak Mandarin. Later, it seems like Mandarin was spoken in a dream, of course, the current Mandarin is not good, but it can be difficult to make the audience misunderstan
"fire" every day, right? What's more, some problems are not what you are good at, or you don't understand.
At present, our team has formed the development architecture of "Hardware group" and "software group. The hardware Group involves "51 Single-Chip Microcomputer", "arm", and "arm" technologies. The product covers multiple product lines, including alarm, video monitoring, and building intercom. The software involves "Web Application-based project
different Bluetooth products can discover each other and establish a connection.Sdap profile: service discovery application profile through which a bluetooth device can find services provided by other Bluetooth devices and query related information.SPP Profile: Serial Port profile, simulating serial communication.Goep profile: Generic Object Exchange profile, Common Object Exchange. The profile name is confusing. It defines data transmission, including synchronization, file transmission, or pus
mobile internet industry system, drawing on the development experience of foreign operators and domestic competitors and the characteristics of its own technical resources.
1. Strengthen fixed network control. Based on its own advantages in Internet technology and resources, it can stabilize its basic desktop Internet pipeline;
2. Enhance the mobile Internet service provision capability. By continuously increasing investment in value-added applications, including setting up value-added business
Camera from the PC.
The PC accesses the Network Camera. You can first access a webpage and input the serial number of the Network Camera.
When a webpage loads a control, the control uses the NAT traversal control server and the Network Camera corresponding to the serial number to implement Nat penetration, and transmits signaling and media data through reliable UDP. Controls provide video browsing, intercom, cloud platform control, parameter query se
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