Friday, September 24, 2010

Bridge towards 3G - CDMA200-1X



Although the early start of China's CDMA, but has only recently begun to large-scale commercial. Currently set up China Unicom's new space-time Mobile Communication Co., Ltd., won the country's sole CDMA network construction and operation rights, will develop a nationwide CDMA mobile communications network, planned for completion in 2001 covering 160 cities, with a total capacity of 13.3 million The CDMA network. CDMA development in China ushered in the spring, but precisely because of this, in China's 3G process, the narrow-band CDMA 3G is how to realize a problem that must be considered. - Editor

Given the current user demand increases, Unicom New Space in the network construction of the building across the country determined to follow IS-95A +'s CDMA network in Beijing, Shanghai, Guangzhou and Tianjin, urban construction to support cdma2000-based data services The CDMA 1X network. In this regard, the equipment manufacturers Unicom's CDMA space-time commitment to provide system support: UIM card; international roaming; intelligent network; packet data access wireless Internet; protecting system investment, you can smooth the transition to cdma2000-1X.

As an important cdma2000 3G proposal is IS-95 system, the development of mobile communication system, the first phase of cdma2000-1X is technically mature, provides simultaneous voice and packet data services, the physical layer of the maximum rate of up to 307.2kbit / s. cdma2000-1X is already commercial in South Korea, which shows that the 2G IS-95 system, the system's transition to 3G taken a solid first step.

IS-95 system of mobile communication system is divided into IS-95 A and IS-95B, the two are similar to the GSM and HSCSD, IS-95B and HSCSD, but the difference is that IS-95B can simultaneously support eight yards bundled channel use, and HSCSD support only four slots for bundled use. IS-95A and IS-95B is no essential difference in the core technology, IS-95A system, each code channel data access speed of not more than 9.6kbit / s or 14.4kbit / s, IS-95A provides 9.6kbit maximum / s or 14.4kbit / s circuit-based data access; IS-95B supports eight yards bundled channel use, the maximum available 76.8kbit / s or 115.2kbit / s circuit-based data access.

From the technical analysis, cdma2000-1X system uses the anti-guide-frequency, coherent demodulation, forward fast power control, Turbo codes, diversity firing, long intertwined and complementary technologies such as pilot, and IS-95A / B system compared to greatly improve the overall system capacity and system performance.

In the reverse link, cdma2000-1X frequency channels to provide anti-wizard, which can be coherent demodulation, than IS-95 A / B system, the reverse channel used by non-coherent demodulation to improve 3dB gain. The forward link, using the former to the fast power control, diversity emission technique (OTD or STS), than the IS-95 A / B channel to improve the system prior to the 3dB gain. Meanwhile, cdma2000-1X high-speed data channels using Turbo codes, surpasses IS-95 A / B increased by the Convolutional coding gain of about 2dB.

For voice users, the system gain increase 3dB, the corresponding increase in the capacity of voice users for the IS-95 A / B system, twice, for high-speed data users, system gain is increased by about 5dB, the corresponding data user capacity increase for the IS-95 A / B system 3 times. Therefore, cdma2000-1X system to the IS-95 CDMA system, technical superiority is beyond doubt. On the other hand, cdma2000-1X system, baseband processor ASIC core technology with advanced manufacturing processes, higher integration and lower cost.

The key is, from the network side mobile terminal or from the side view, cdma2000-1X system (IOS 4.1 or later) provides the standard 2G and 3G-compatible interface, supports both circuit-switched and packet-switched voice services that support and circuit, packet data services, with the second phase of smooth evolution to 3G capacity. IS-95 A / B system also have to cdma2000-1X system as a bridge to the second stage of 3G evolution.

cdma2000-1X provides a complete data solution, the equipment manufacturers to provide equipment at the same time, operators also paints a bright application prospect. South Korea cdma2000-1X has been commercialized, and provides a wealth of applications, and data services in Japan, DoCoMo has also made successful, the operator brings good news.

With the domestic telecom operators in the market, return on investment is already the operator to consider the primary issue, therefore a need for an operator to meet the user requirements, to provide users with a good network of applications and services, rather than building a technically very advanced network. At present, although the 3G is a loud voice, but the mature system, terminal equipment and the application is true and we have a certain distance. Therefore, as cdma2000-1X can provide a wealth of applications, and from the system, terminal equipment, solutions are more mature, I believe cdma2000-1X is a good narrowband to broadband a bridge.







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Monday, September 13, 2010

My experience with AutoCAD rendering


Recently made some simple three-dimensional map after rendering with CAD has published in the Forum.

Popular appreciation of friends, I hope to write a tutorial for all to practice. Honestly, I did very well this tutorial, rendering the process can only talk about the experience points.

I think that "playing" it like a "kaleidoscope" will do is to use so many parameters change of face, sometimes a mess, there will be unexpected good results. It takes patience and a little bit stressed, in the operation of each parameter to get experience.

Now I give a "three-dimensional cross screwdriver," the rendering process, for example, for your reference.

1, a good three-dimensional graphics with CAD drawing (painting process is saving it)



2, the View menu - rendering - Material - New - (name) handle, adjust the color. Transparency 0.58



3, is confirmed by "attachment", in the graph specify the graphics attached to - handle. OK.



4, re-"New" - (name) metal.鍦ㄢ?鏌ユ壘鏂囦欢鈥濋噷鎵惧埌瑕侀?鐨勫浘妗堛?鎴戣繖鍥炬槸鐢≒S鍋氱殑涓?紶榛戠櫧娓愬彉鍥俱?



鐢≒S鍋氱殑涓?紶榛戠櫧娓愬彉鍥?br />


5銆佸湪鈥滆皟鏁村浘浣嶁?鐨勨?绉讳綅鈥濆拰鈥滄瘮渚嬧?绛夊弬鏁版槸杩欐牱鐨勶細锛堝鍥撅級銆傜‘瀹氬悗涓嶈蹇樹簡鈥滈檮鐫??銆?br />


6銆侀噸鏂扳?鏂板缓鈥濃?锛堝彇鍚嶏級搴曪紝鍦ㄢ?鏌ユ壘鏂囦欢鈥濋噷鎵惧埌瑕侀?鐨勫浘妗堛?鎴戠敤涓湪璐ㄥ浘銆?br />


鈥滆皟鏁村浘浣嶁?鐨勨?绉讳綅鈥濆拰鈥滄瘮渚嬧?绛夊弬鏁版槸杩欐牱鐨勫鍥撅細



7銆佸湪鈥滃弽灏勨?鏍忚閫夋嫨鈥滈暅鍍忊?鍏蜂綋鐨勫弬鏁板鍥俱?纭畾鍚庡悓鏍蜂笉瑕佸繕浜嗏?闄勭潃鈥濄?



8銆佷絾杩欐牱娓叉煋鍑虹殑鏁堟灉鏄繖鏍风殑銆傚洜涓鸿繕娌℃湁鍏夋簮



9銆佹墦寮??鍏夋簮鈥濇寜绾斤紝鏂板缓涓?厜婧愶紝鍙栧悕鈥?01鈥濄?淇敼鍏夋簮寮哄害銆備慨鏀瑰厜婧愪綅缃?br />


10銆佸氨杩欐牱娓叉煋鍑虹殑鏁堟灉杩樹笉鐞嗘兂



11銆佺缉灏忔ā鍨嬪浘锛屾壘鍒板厜婧愮偣锛屽鍒朵竴涓厜婧愮偣鍦ㄥ彟涓?晶



杩欏氨鏄?鍏夋簮鐐光?鏀惧ぇ鍥俱?搴旇鎵剧殑鍒?br />


12銆佸啀璋冩暣涓?笅鍏夋簮寮哄害灏卞熀鏈畬鎴愪簡









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Thursday, July 29, 2010

Phone obstacles to cross



Phone is now an indispensable business tool, but in the company "phone filter" the phenomenon of more and more common. The aides have been training, know how to tactfully limit access to the boss's office. Fortunately, these obstacles are not insurmountable. This article will introduce you to bypass the obstacles of five skills.

"He's in a meeting in the evening called! Leave your phone number, he will call you back." Secretary Miss hung up, the conversation was concluded. Others again, you cut off direct dialogue channels with the boss. This is your last few days, tried every means to want to talk to potential customers, he is likely to bring you a good contract, but obviously be in the way of his assistant. One business told us that 40% of the situation was like that. We know that the Secretary merely following orders. Many of the young salesman was too easy credulity of these assistants is an excuse to spend a lot of time constantly call but never find people who are looking for. An experienced sales staff is know with other techniques to increase the phone with potential customers possible.

"In the U.S., we have 1 / 4 of the opportunity to target candidates with the power, while in Asia, only 1 / 30 the opportunity to major cities in China, but no chance." Mercuri consulting company in Hong Kong said Mr. Huppe. Why such a huge difference? Because in the United States, people believe that a good business 1 / 3 of the opportunities brought by strangers, while in China, the need to recognize the point is: Seller meet here, see, "with the customer," or even just to obtain information on the company are considered to be in the way of trouble who, with the United States and Europe, the concept is entirely different. Therefore, the secretaries wanted to get rid of them as soon as possible. In order to directly target candidate phone salesman who should be able to apply their skills. How to apply and when to use what skills to achieve their goals.

One technique: a good relationship with assistant

This is your preferred strategy. Barriers that aides, they are targets of the right-hand man, is likely to help you lift the difficulties. Must improve relations with them and patiently explain your intentions and you want to meet or talk with the boss the reason.

A, on the phone to keep smile

"Even if the phone can feel your smile, all the telephone marketers will tell you: the phone must always maintain a friendly, warm and real meaning, because it conducive to the development of your conversation." Shanghai consultant Lawrence case of MRI said.

B, asked him to help you

Ask your assistant call the purpose of a part of daily work. Therefore, should never have said: "This is a private number" or "I want to talk to him directly." Would rather say: "You can definitely help me arrange the best time with his power now!" The reason everyone knows: The people who ask for help always feel pride.

C, to create a good relationship

In a telephone conversation to express the products you sell the company is very useful to convince and arouse interest, while the other can exploit a victory for you and your boss asked her to talk or meet. This is to create a good rapport, the best way, according to Singapore SOS Phoning the company's training manager, said the lead each other laugh, but to be taken to avoid too many compliments, so as to avoid giving the impression that there is no sincerity.

D, to be persuasive

Obstacles more difficult than, the more instructions Assistant is responsible for sharing a part owner of the work, he not only responsible for "filtering" telephone information, and will be for the owner to select the most useful suggestions. "My secretary will record all telephone sales are" a company president, said, "to the time of the meeting, she can tell me that we can return the call to which suppliers and their product is worth considering, you can also take the opportunity to see He recommended to us to see the physical. I am always confident in her judgments. "

E, opposites attract

Listen to the words of one of the opposite sex is always easier. Especially your voice enough to attract it, opposites attract naturally work. "If barriers to women and you are, then help to find your male colleagues, and vice versa.

Skills II: know how to handle each other's opposition

Even if your effort has been made, aides firmly rejected, then you should find the appropriate arguments to refute her. Do not blindly believe that the set of her: When she says, "leave your phone number, stay a while we return," or "manager in the meeting, I do not know when the end of" Do not believe! These lies are sales are the most effective barrier. Should not call again, but should ask her the right time, when they could find managers. If you feel that her answer was a lie, please do not leave your name, late call back. If the boss did not have time, she said: If the secretary said: "The boss did not have time" or "He's meeting", it should be answered immediately: "When called to find him?" "Let us set a meeting time, and then re-confirmed late The boss does not agree, you can cancel. "She wants you to send a fax in the past, it is recommended that you take the E-mail form. "Send E-mail, then be able to tell the boss's e-mail, it is sometimes very useful, because he can not by" filtering "to directly receive the information, as long as he was interested in, then you can immediately return phone calls. So you are in the re- can call the assistant said to him, the boss at the E-mail, said the phone directly with him. "Shanghai MRI personnel consultants Lawrence said.

Pamphlets you sent! Do not promise too fast. When she said, "Send for your catalog, come on!" You did not answer or ask the person into the company's own description. You can also send the call once again identify the talks. If she asks you what to send, then it should be firmly rejected. If you do not know the name of the person in charge: suffice it to say you want to know the name of the person in charge, because he is likely interested in your product so that you can send him information. First, know his name, and second, you can call later, with talks set time. No budget, purchase plans on hold, and write down the date, if the other side, we purchase plan has been shelved, or this year's budget has been exhausted. Then you must know when to produce a new budget, and then write down the date, time again to call, even after 3-6 months, so you have better than your competitor's strategic message: that When will the company most interested in your product?

Other customers need to understand: when the other said: "I do not need", you said: "I know this, but in this context, what products you interested in?" So try to obtain more useful information. "Potential customers do not want you to recommend a printer? Should think of ways to know: how many files they copy every day, so you can estimate what type of product will only meet their needs," Heinz says. Not interested? Tell us why: If the other side A: "Our manager is not interested in your product." Thanked her for her to give you this information, try to question the details, he has said he does not like the product why? And said, that your new information (new products, price lists, new services, etc.). So even the worst result, there is no progress, you can quickly get another chance to be taken into account. Do not hesitate to say the price: whether to tell the Secretary of product prices? Hong Kong Mercuri's Huppe said: the phone can, but do not write in the fax. If she thinks the price could be, it will tell the boss he will call back, but if you send the fax list, then there will be less opportunity to directly talk with the boss, because he has mastered all the useful information. The phone to provide the best price, and then together with the services provided to explain the details of the price. Your strategy is to further the Secretary before the boss said, the benefits of your product.

Skills III: Miss Xiang Mishu pressure

If you have the request made by the Secretary (fax or send a brochure to him), then you can talk to her pressure to get the chance. "When I was sent off in the booklet I will be mutually agreed date, hour call." Said to her: I have your request sent by a pamphlet, let me talk to you right. 50% chance to cross the barrier. If the Secretary still refused and said to him, you want to fax to the boss, let him confirm that he really did not want information about your products. Finally you can also say: "As you refuse, your company is likely to spend more money to buy a quality not as good as I promote the products."

The fourth technique: The trick of experts

All tips are likely invalid, if you meet the secretary to act like a dinosaur. In this case, the unnecessary waste of energy, with a "shock brigade" approach it. Another time: Some time is particularly suitable for direct contact to the person you are looking for: When the secretary is not, then you have a great opportunity to link to the manager himself. 7:30 to 8:30 in the morning during the luck it, Saturday morning also.鐩存帴涓庢?缁忕悊鑱旂郴锛氱湡鐨勬湁闂鏃讹紝涔熷彲鐩存帴鑷寸數鎬荤粡鐞嗙殑绉樹功澶勭悊锛岃繖鏍蜂細閬囧埌杈冨皯鐨勯樆纰嶏紝浣嗛?甯歌澶氶攢鍞憳閮戒笉鏁㈠皾璇曘?褰撶劧锛屼綘涓嶅彲鑳藉悓鎬荤粡鐞嗛?璇濓紝浣嗗綋瀵规柟鍛婅瘔浣犳墦鐢佃瘽鍘诲瓙鍏徃浜嗚В鏃讹紝浣犲氨鍙互鏈夋満浼氳鍑鸿鎺ㄨ崘鐨勮瘽锛氭?缁忕悊鐨勫姪鎵嬫潕灏忓鍛婅瘔鎴戜綘鍏徃鐨勭數璇濓紝璁╂垜鐩存帴涓庝綘鑱旂郴銆傚?浣犳煇澶у鎴风殑鍚嶅0鏉ヤ粙缁嶈嚜宸憋細鎵惧埌浣犱笌瀵规柟鍏徃鐨勫叡鍚屽鎴锋垨渚涘簲鍟嗭紝浠ュ叾鍚嶄箟鑷寸數锛屽姝ゅ彲鑳戒細寮曡捣瀵规柟鐨勯噸瑙嗭紝鑰屼笖鍙互缁欏鏂圭暀涓嬩笌鍏朵粬閿?敭鍛樹笉鍚岀殑鍗拌薄銆?br />
銆??闅愯棌浣犳潵鐢电殑鐪熸鎰忓浘锛氫綘鎵撶數璇濇椂搴旀妸浣犵湡姝g殑鐩殑闅愯棌璧锋潵锛屽憡璇夊鏂瑰埆鐨勭悊鐢便?渚嬪锛屾兂璐拱鏌愮鍟嗗搧锛岃闂祫鏂欐垨搴旇仒鏌愯亴浣嶇瓑锛岀劧鍚庡啀鍦ㄨ皥璇濊繃绋嬩腑閫忛湶浣犵殑鐪熸鎰忓浘銆?br />
銆??鎶?阀涔嬩簲锛氬阀鐢ㄨ皫瑷?br />
銆??涓轰簡杈惧埌鐩殑搴斿惁鎾掕皫?椤鹃棶 Heinz 鍏堢敓璇达細鏈?/2鐨勬満浼氫綘鐨勮皫瑷?細琚彮绌匡紝涓昏鏄湅浣犵殑鐩殑鐨勯噸瑕佹?銆傛湁鐨勪汉璁や负鎾掕皫涓嶅ソ锛屽緢瀹规槗鍒版渶鍚庝細涓嶆噦濡備綍璺ㄨ秺鐢佃瘽闅滅锛屾垨涓嶈璋庡氨鏃犳硶杈炬垚璋堝垽銆傛?涔嬶紝璋庤█灏卞ソ鍍忔瘨鍝佷竴鏍凤紝涓?棪琚彮绌垮氨浼氭崯瀹抽攢鍞?鏈汉涓庡叕鍙哥殑褰㈣薄銆?br />
銆??1銆?璁╁鏂圭浉淇′綘鏇剧粡鏉ョ數骞惰鍛婄煡鍦ㄥ綋澶╁啀鏉ョ數銆?br />
銆??2銆?閲囩敤鍙︿竴韬唤锛氳嚜绉版槸鍔╂墜锛岃浣犵殑鑰佹澘鎯充笌瀵规柟瑙侀潰(杩欑鏂规硶閫氬父闈炲父濂忔晥)銆傝?鍒颁簡瑙侀潰鐨勬椂鍊欏彧椤昏鏄敱浣犺礋璐e鐞嗚浜嬫垨鑰佹澘鏈変簨涓嶈兘鏉ャ?

銆??3銆?鍦ㄨ鍑哄鏂瑰鍚嶆椂鍗冧竾鍒敤琛斿ご鎴栫敤鈥滃厛鐢熲?鏉ョО鍛硷紝鏈?ソ杩欐牱璇达細鈥滀綘濂斤紝鏉庡厛鐢熸潵鐢碉紝璇峰彨James Wang 鍚數璇濄?杩欐牱锛岀涔﹀氨浼氳涓轰綘鏃╁凡璁よ瘑瀵规柟锛岃?杈冨鏄撹浣犱笌鍏朵笂鍙搁?璇濄?

Attachment:

銆??A銆侀亣鍒扮數璇濋殰纰嶆椂濡備綍娉ㄦ剰璇嗗埆鈥斺?鈥滆澶氶攢鍞憳缁欏鏂瑰嵆浣挎墦浜嗕笂鐧炬鐢佃瘽锛岃繕鏄壘涓嶅埌瑕佹壘鐨勪汉锛屼粬浠兘涓嶇煡閬撳叾瀹炴槸纰颁笂浜嗙數璇濋殰纰嶃?鈥濈數璇濊惀閿?【闂瓾einz濡傛槸璇淬?濡傛灉绉樹功鐨勮█琛屽涓嬫墍杩帮紝鎴戜滑灏卞彲浠ユ帹鏂鏂瑰湪鎾掕皫锛?br />
銆??璁╀綘绛変簡5鍒嗛挓浠ヤ笂锛岃繕涓嶈浣犱笌瑕佹壘鐨勪汉閫氳瘽銆傚疄闄呬笂锛屽ス鏄负浜嗚浣犺嚜鍔ㄦ寕绾裤?

銆??姣忔鑷寸數锛岀涔︽?鏄缓璁綘鏅氱偣鍐嶆潵鐢点?

銆??绉樹功瀵逛綘璇㈤棶寰楀緢璇︾粏锛屾槸涓轰簡鏇村姞浜嗚В浣犵殑鎰忓浘锛岀劧鍚庢壘鍒版嫆缁濅綘鐨勬洿濂界殑绫嶅彛!

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銆??B銆佽秺杩囩數璇濋殰纰嶇殑11鈥滈噾鍙モ?

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Wednesday, July 21, 2010

Allocated memory in an object structure


The header files define new use as many as six new overloaded method. One of two ways - placement new and placement new [] can you have allocated memory buffer is defined in an object or a group of array objects.


Instead of the ordinary with placement new new definition of the object, in some applications time-played no small role in the definition of the object that the program should be completed within a certain time. New definition of the objects of ordinary survival is uncertain and, therefore, may cause operation failure.

In order to avoid the failure, we can allocate a large enough and did not use the memory buffer, and then process all the objects assigned to the buffer. In order to simplify the discussion, we focus on placement new.

Firstly, the new general allocation of memory buffer, but do not use dynamic or static storage device, because it may not meet the requirements to correct structural object.

void * buff = new char [sizeof (Myclass)];

Then, using placement new well in the buffer has been allocated to create an object.

# Include file / / needed for placement new

Myclass backup tmp = new (buff) Myclass;


Be noted that, p is a point Myclass type of object. The object has been assigned to the buffer.

Free storage and distribution to the different ordinary object is placed on the object destructor must be explicitly called.

p-> ~ Myclass (); file / / explicit destructor invocation

Failure to call the destructor will cause unknown problems. Typically, the only clear after the call to the destructor to release the contents of the buffer.

delete [] buff;






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Wednesday, December 30, 2009

DVDXSOFT - DVD to ZUNE Converter


DVDXSOFT - DVD to ZUNE Converter

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Tuesday, November 10, 2009

Hope VOB to MPEG


Hope VOB to MPEG is easy and fast DVD VOB to MPEG software with powerful and integrative functions. Easy convert VOB files to all popular video and audio formats with easy. It includes features of both VOB Ripper and VOB to Audio Ripper. With it, you can easily rip your VOB Files to all popular video formats such as AVI, MPEG, WMV, DivX, RM, MOV, MP4, 3GP, 3G2, Xvid, ASF, etc., and convert VOB to audio formats including MP3, WAV, WMA, AAC, AC3, M4A, MP2, OGG, etc. It can support many personal multimedia devices such as PSP, iPod, Zune, iPhone, PDA and MP4 player, with the fastest speed.

Tuesday, November 3, 2009

Explosion FLV Converter



Explosion FLV Converter is a All-in-One powerful tool. Convert all popular video and audio formats to Youtube video, swf or flv to video, such as avi, mpeg, 3gp, mp4, mov, it offers the solutions to problems that many other flash to video converting tools cannot solve, such as video and audio asynchronization, loss of frames, audio distortion, the process of alpha channel, and the process of both internal and external Flash video(flv). With the leading audio and video codec, Explosion FLV Converter lets you easily and fully enjoy the original effects of your Flash files on your PC, iPod, PSP, Zune, iPhone, DVD players and Youtube Video, Google video, Myspace Video. In conclusion, with easy-to-use interface, fast converting speed, powerful functions.