general, the Turbo code member encoder is a RSC encoder. The reason is that the recursive encoder can improve bit BER performance of code.
Turbo Code
The turbo code used in the 3GPP LTE protocol is a parallel cascaded code with a 1/3-bit rate, and its encoder consists of two RSC encoders with the same code rate of 1/2 and a interleaving, as shown in Figure 2.
Since recursive convolutional codes produce more code weight than non recursive convolutio
In the previous section, we mentioned that the main difference between stream and list is the lazy evaluation feature of stream. We also discussed that when dealing with large array datasets, the stream can move the data elements into memory one at a time and can be processed on an elemental basis. This makes me think of our common data-search reads: A large amount of d
-- Example stored procedure for converting finite-layer tree data into infinite-layer tree data (ms SQL 2 K)If exists (select * From DBO. sysobjects where id = object_id (n' [DBO]. [p_tree_convert] ') and objectproperty (ID, n' isprocedure') = 1)Drop procedure [DBO]. [p_tree_convert]Go
Set quoted_identifier onGoSet ansi_nulls offGo
Create procedure p_tree_conver
Reading Table of Contents
• Unlimited RatingJstree PluginDemo• Create region Entities• Data Object dto that satisfies the Jstree plug-in• Data Conversion• Initializing the converted Data• Foreground data loading• Other operations• Through the button to operate and delete changes
Unlimited rating
Many times we are un
Tags: unlimited data coverage
1. assume that you want to receive a lot of (or even unlimited) data, but the data has a range: for example, if you want to read the data sent by the serial port, the data range is 0x00-0xff.
2. If an array or container is directly defined for
Back to base: return to base php code for returning list data of infinite classification with array: Copy the code as follows: * ------------------ *-get list data of infinite classes * ------------------ * functionget_sort ($ parent_SELECT * FROM. $ db- gt; table (arti
The code is as follows:
/*------------------
PHP infinite loop to obtain MySQL Data instance code, mysql instance
Recently, the company has a need to obtain data from MySQL, and then display the data on the page in a loop. It is mainly to keep clicking a button, and then the data starts from the beginning to the end. I
We know that many open source software's infinite classification is the recursive algorithm, but we know that recursion is a waste of time, but also a waste of space (memory),
Last time I also shared a my own original infinite classification spanning tree method, a enthusiastic php expert netizens gave me a valuable advice, I tested it, this code of time very short reference: http://www.oschina.net/code/sni
Python multi-dimensional/nested Dictionary data infinite traversal implementation, python multi-dimensional
Recently I picked up Django and learned how to traverse multi-dimensional Dictionary data in the instance practice. Google does not query related information... After all, I was a newbie. When I started my work, I found that it was not just as simple as I t
We know that many open source software's infinite classification is the recursive algorithm, but we know that recursion is a waste of time, but also a waste of space (memory),Last time I also shared a my own original infinite classification spanning tree method, a enthusiastic php expert netizens gave me a valuable advice, I tested it, this code of time is very short, reference: http://www.oschina.net/code/
Php returns the code for the list of infinitely classified data with arrays. Copy the code as follows: * ---------------- *-obtain the list data of an infinite category *------------------
The code is as follows:
/*------------------*///-Obtain the list data of an unlimited category/*------------------*/Function get
PHP Infinite loop gets data (or message) information
I do not know PHP basically, because the project needs, I need to put JSP write live chat system embedded in PHP.
The only remaining question now is how to get the data in the frame (because the customer service will be asked to pop up the invitation chat at any time, so you need an invalid loop or message), an
Jstree Home:
http://www.jstree.com/
This provides a way to render the data from the background into a tree:
Copy Code code as follows:
$ ("#mytree"). Tree ({
Data: {
Type: "JSON",
URL: "${ctx}/user/power!list.do"
}
});
The value returned in the URL must be the form of the JSON data it defines:
Copy Code code as follows:
The jsTree-based infinite tree JSON data conversion code. For more information, see. Jstree homepage:
Http://www.jstree.com/
It provides a form of rendering data from the background into a tree:
The Code is as follows:
$ ("# Mytree"). tree ({Data :{Type: "json ",Url: "$ {ctx}/user/power! List. do"}});
The value re
This article mainly introduces the PHP infinite loop to obtain MySQL data method, the interested friend's reference, hoped to be helpful to everybody.
Specific as follows:
Public Function Get_data ($limit) {$sql = "select * FROM ((select Id,name from ' mytable ' limit {$limit},10) union ALL (select Id,name from ' mytable ' limit 0,10)) as test limit 0,10 "; return $this->query ($sql);}
The SQL statemen
MySql infinite classification data structure -- pre-sorting traversal tree algorithm bitsCN.com
Unlimited classification is a very common application in our development, such as Forum Sections, CMS categories, and many applications.The most common and simple method is ID, parentID, and name in MySql. The advantage is that the structure is simple. The disadvantage is that the efficiency is not high, because
We know that a lot of open source software infinite classification is a recursive algorithm, but we know that recursion is a waste of time, but also a waste of space (memory),Last time I shared my own original infinite classification spanning tree method, an enthusiastic PHP expert Netizen gave me valuable suggestions, I tested a bit, this code time very short reference: http://www.oschina.net/code/snippet_
Flash needs JSON format data, so, there is the following code: (PHP implementation, C # Similar, JSON library to go down to it ~ ~)
Copy CodeThe code is as follows:
--Query user downline information, return JSON, for Flash
if (!empty ($_get[' action ')) !empty ($_get[' invite '])) {
Fixed parameter request will return information
if ($_get[' action ']== ' GetInfo ' $_get[' invite ']==1 ') {
Data entity, an
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