The right front wheel rover fault may be completely out of order

By Haven Frbiz

NASA a few days ago, said, "Opportunity" Mars probe failure of the right front, the question may finally have the complete failure of the right front to limit the "opportunities" for its scope of activity.

"Opportunity" is now the distance to stop a road crater, NASA's exploration mission group would like to see "opportunities" for its short-term through the rest, the right front to help solve the fault. It is learned that the "opportunities" for its right front wheel of the gearbox has been out of action, to its fall into the current predicament. The end of last year, "opportunities" in struggling to climb out from the Victoria crater, after he encountered such a problem. At that time, the "opportunities" for its left front wheel problem similar to their choice to leave the Victoria crater. NASA had worried that if the left front wheel completely out of order, "Opportunity" will never get trapped in the pit.

However, in last year's failure, the right front wheel did not malfunction. "Opportunity" mission team also successfully repaired gear failure - by the motor and transmission components for the rotating wheel. First, they allow the "Opportunity" for a few days rest, and then make it back, it seems that the redeployment of the operation of the gearbox lubricant. Hope to detect a similar task force to operate the "opportunity" to restore its vitality, but this failure may be "opportunities" for its first functional signs of decline.

Since 5 years ago since the landing of the Red Planet, "Opportunity" has 15 kilometers of road. "Opportunities" for its exploration project person in charge, the U.S. space agency's Jet Propulsion Laboratory约翰卡拉斯(John Callas) said: "As the transmission device may well be more bad things, so, even if the adoption of these measures may also beyond repair 'opportunity' No. fault. 'opportunity' No. There is always the risk of functional decline is inevitable. "

However, even if the right front wheel finally stopped running, "Opportunity" can still continue to explore Mars. "Opportunities" for its twin probe "Spirit" in the right front wheel failure in 2006, but ground-based mission control center operators through "Spirit" back-driven, so that it continues to roam the red planet. Callas said, "Opportunity" and "courage" is not accessible when the back drive very far goal.

It is learned that the "opportunities" for its forward drive, you can shoot pictures of the road in front of the complicated to the surface, ground mission control center can be the basis of these observational data to develop road route in advance. Finish the road in the route book, the "Opportunity" can see the path according to their activity until they receive a ground-based mission control center to send up-to-date route information. Once the "opportunities" for its moving backward, low-gain antenna will hinder the road in front of the line of sight. This means that the "opportunity" can not use its "Vision" activity, once the route is scheduled to finish, only to stop the road.

NASA has been in the United States March 7 to the "Opportunity" is sent back an order-driven, but did not play a role in the directive. Detection of the mission team is currently investigating the cause of the malfunction. In their view, this failure may be due to pre-set command and good driver conflict caused by the new directive, the new directive designed to allow the "opportunity" to remember its location, the next day wake up automatically according to the original route of the road. NASA engineers in the United States conduct a study on the fault at the same time, "Opportunity" is a temporary suspension in place, the study of rock above the ground.

Callas said that even though the right front wheel failure, but he is still the first to see "opportunities" for its Endeavor crater back to the edge of the photo excited. Endeavor crater is "opportunity" is important to detect the next goal. Callas said: "This feeling is as if sailors on the first sight of land. See it from more and more near us, of course, thrilled."

Endeavor crater is now away from "Opportunity" is around 12 kilometers away, but in order to avoid obstacles, "Opportunity" at least 16 kilometers of the road necessary to reach the destination, the trip is estimated to spend about two years. "Opportunity" mission team members to detect admit, parts and components are aging, "Opportunity" may never be the new goal can not arrive. - 18423

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8GB 499 most popular of $ 4.3 inches to get the screen MP4

By Zou cheaponsale

If last year's 3-inch display screen MP3 MP4 player or a mainstream consumer product, then the most popular this year to 4.3 inches screen is a player; and when the product in 2008 gradually to replace the 4GB capacity of 2GB, the this year to 8GB capacity when alternative 4GB. Therefore, in this year 8GB 4.3-inch player has become a mainstream consumer players. And with the gradual increase in such products, the prices are gradually lowered, now can be purchased for 499 yuan of the mainstream brands such configuration of the corresponding models, and also select the type of many. Price of 499 yuan on MP3 has 4.3 inches more than just the big screen with just over 300 yuan compared to the products, they have more advantages such as higher product quality, an increase of high-definition player and so on. Budget at about 500 yuan, then it might as well consider the following Value Products.

Capacity: 8GB capacity: 499 yuan

Edit Comment: RAmos iMovie sound Yuet Meeting taken on a perseverance of 4.3 inches of 480 272 video screen TFT. Although the greater video screen amount, but uphold a good body size. Supporting admired aeroplane RMVB / RM video transmitted and TV-OUT video end wares function, support MP3, WMA, FLAC, AAC, APE multiple audio records at the matching time it is in addition extraordinary with the two micro-speakers, long life up to 28-30 hours of audio playback or 5 hours video playback.

Gemei HD660

Capacity: 8GB Price: 499 yuan

Edit Comment: HD660 Gemei 4.3 inches using a 16:9 display 16 million colors, support RMVB, RM, AVI, FLV, etc. video format, MP3, WMA, WAV, APE, FLAC and other audio formats. Supporting HD660 Gemei MP3, WAV format audio, FM radio, can store more than 40 channels, e-books, TF card expansion, TV-OUT TV output function of a lot of. Song of the United States adopted the HD660 Apple iPhone (mobile Internet) CS42L52 24 the same low-power stereo codec, support for TTS reading, but also add a wireless remote control function.

ONDATA VX767HD Capacity: 8GB Price: 499 yuan

Edit Comment: Onda VX767HD employed for the aluminum alloy covering method, and carried on the create of the VX767, pitch black body yield will make them less on vision. It benefits 4.3 inches 480 272 perseverance, accurate 16:9 widescreen, built-China deal with fly-core chips, can without difficulty realise high-definition 720P (resolution 1280 720) RM / RMVB / AVI / FLV video formats direct playback, support for MP3, WMA, WAV and FLAC lossless audio formats, embracing tunes format. In augmentation, as a high-definition MP4 competitor, onda VX767HD in addition has TV-OUT video end wares function of the burden divergence, FM broadcasting (can warehouse 30 broadcasting stations), high-definition transcription, e-book student, film browser, multi-mission performance roles .

British Lipljan YDP-518

Capacity: 8GB Price: 495 yuan

Edit Comment: YDP518 Highlight pure metal wire drawing process, Shell has a strong texture and feel, all-metal shell manufacturing.

British YDP518 Lipljan 4.3 inches with high-definition video screen, support for RMVB, RM, AVI format video competitor full, direct transmitted without conversion. YDP518 in addition sustains JPEG and BMP format film browsing, film zoom function. Of course, as a full-featured digital yield, will support the more task ought deal with the roles acknowledged by the remarks "slide show" dynamic film browser has been kept, at the matching time to savour perceiving to tunes film or photo.

BM-995 Blue morning

Capacity: 8GB Price: 499 yuan

Edit Comment: BM-995 Bmorn the unique design features, all-metal silver casing gives the enjoyment of good quality. 4.3 inches using a 480 272 pixel resolution, high-definition TFT true color touch screen, only a power button located at the right side of the fuselage, clear and concise.

BM-995 Blue morning Supporting MP3, WMA, AAC, AC3, WAV, OGG and APE, FLAC Lossless format music, but also add the Microsoft Play FX sound, there is 3D surround, pure bass, volume, balance of three types of effects for your choice. Support AVI, RM / RMVB, FLV, DAT, VOB, WMV, MPG, MPEG-I, MPEG-II, MP4/M4V, 3GP video formats, such as a maximum 800 452 pixels to smooth playback, and when the player has selected, screen expansion playback breakpoint. BM-995 Blue morning in support of high-definition JPEG, BMP, GIF format picture shows that support for picture preview, zoom, rotate, slide shows and other functions, you can put your favorite picture as the desktop. Digital recording, AB repeat function, FM radio broadcasting, transform freely desktop background, ranging functions. - 18423

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9 Live Performances Tips Using Synthesizers & Synths - Music

By Matthew Nebel

Naturally, anybody performing a live gig wants it go with out whatsoever troubles. Just keep several of the following in mind, and you'll have a smooth sailing performance.

Make sure your power tool is entirely adequate. It could get a little dicey if you're not familiar with the plug-sockets and sources of power. Safe-guard yourself by investing in a power conditioner. Carry it with you regardless where you go. If you utilize 1 live, it can be the exact thing that will save that precious tool of yours. Its not a bad idea to get into the habit of utilising one all the time, even at home, to protect against power surges. If youre not utilizing this then you may want to power with all batteries. If so, then do not forget to bring back ups.

Things could get misplaced easily. So be sure to preserve your patches elsewhere besides the genuine synthesiser. You should do this even if you dont have a live gig because something can go wrong with your synthesizer.

Don't skimp on your furniture supports. Make sure to use strongly constructed key board stands. The best to use is the double braced x style types. The ones that're built for multiple key-boards. Be sure to have good rack mount and flight cases. This's 1 area that you don't want to cut costs. You truly can't afford to have your equipment damaged by accidents.

Make sure your analogue gear or analogue keyboards are not old. They will not keep a tune, they can stop to work at any time, and lots of them don't even have patch storage. If youre going to be doing live gigs then you need the appropriate up-to-date tool. Keep in mind that modular synthesizers are not feasible too.

Try to plan ahead. For illustration, create your patches on some other synths prior to the event. It can be a life-saver as well as great practice for your programing endeavors.

Don't be caught with out extra cables. A few musician that plays an electrical instrument will tell you that. Key board synthesizer players have to rely on these cables to carry their sounds out to the audiences. If cash is tight and you cant afford too many then at the least have few 6.35mm with you.

Do yourself a favour and simply bring the synths that you absolutely need. That way there's less tool to look after. Plan ahead of what you would need. Keep in mind to take out any unnecessary expansion or memory cards out of the synths.

Give numerous thought to your ear monitoring. You must be able to hear your music and that of your bands when performing live. You require to find out if the onstage monitors would be good enough. If you are not convinced of this then consider using earphones. This can be low-priced if you consider Shure EC range in ear monitoring buds.

If you are going to use any synthesiser then make sure you've your personalized mixer. That way it keeps your area presentable because it eliminates are the strings of cables, and keeps you in a position to be able to control the synthesizer levels. It is fundamental to have your personalized keyboard sub mixer. - 18423

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Sound Effects, Chorus and Reverb When Making Music

By Dan Hunt

Internal effects even though they don't have as good as quality as that of an external effects unit, still are usable. They save space and power. Most people feel that they merely need the interior effects. Effects are ordinarily based at the end of the majority of the synthesiser signal paths. They truly are not a form of subtractive music synthesis. You can get effects in two methods.

1 being externally from an out board form. This is a separate unit box like a mount or pedal. Then there is the type that's built right into your synthesiser. Thats in models made after the 1980s as prior to this time period the synthesiser had zero built-in effects.

To make up for not having enough oscillators and to create a more dynamic sound, the effects of unison come into play. It multiplies the signal that the synthesizer is producing. Commonly it would detune the signals against each other. The identical way detuning oscillators is achieved. Unison is likewise not genuinely apart of sound synthesis. It is a fixed alternative. A unison effect can be common numbers like 2, four, 8, and so on. This is for the signal multiplication. Clavia Nort Lead 3 is very creative in its unison effect. It keeps one signal in center and pans out 2 signals each to the left and right of the field. This achieves a stereo wide effect as they detune against each other.

To enhance and increase a synthesizers sound you will need the chorus effect. This's a truly popular technique. Its much more complex sound modification process. Numerous individual claim that unison and chorus are exactly the same, or even alike as detuning oscillators. To support this claim is the fact that it can be shown in acoustics instruments like the guitar or piano. Anywhere where multiple strings are played at the similar pitch. On some other hand whenever theyre simply more or less out of tune it creates a soft warming sound effect.

Chorusing within the signal chain of the synthesiser lends itself to standard interpretation. An LFO is used to produce the effect. When a signal is duplicated and mixed with multiple copies of itself and having the same pitch it produces an artificial effect.

This is at a average level, and is always being swept by an LFO. If the delay based pitch sweeps are offset from one another you can pan the delay effect with the stereo field. This means the effect could be utilised in stereo. Being as the LFO control the effect, the feed-back and depth of the effect it implies they could be changed. The flanging effect utilised the chorus effect, even though its an artificial effect. - 18423

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Keyboard Teacher: I Am Not Getting Results, What Should I Do?

By Bryan Smith

If you are not getting any results with your current keyboard teacher, then you definitely need to consider getting he or she replaced. Do not take too long to make a decision because ineffective teaching can not just cost you money and effort, learning the wrong thing may also result in you wasting more time in the future to learn what is right. Here are 3 important factors that you should consider.

1. Are there any alternatives to learn the keyboard?

There are certainly other ways to learn to play the keyboard instead of hiring a keyboard teacher. One of the most popular choice these days is the online keyboard courses. These courses provide you with all the materials you require up front and also video tutorials to deliver lessons in ways that are very similar to attending keyboard lessons in person. The reason why online keyboard courses are so well-received is because of its affordability and convenience, which makes it extremely ideal for those who are on a budget or inflexible schedule.

2. Are you adopting the right mindset in learning keyboard?

Sometimes, the problem does not lie with the keyboard teacher but ourselves. You need to first ask yourself what is your goal in learning the keyboard and if it is attainable. There are people who start by taking keyboard playing too lightly, and they tend to unrealistic and expect instant results. Learning to play the keyboard is a long process, so you need the passion to sustain your learning efforts. You are not learning in the right mindset if what you focus on are the short term benefits.

3. Are you learning with the right materials?

The right materials in learning the keyboard help improvements tremendously. They are your tools in learning and they have to be effective in order for you to achieve any positive results. In some cases, people are not progressing as quickly as they should be simply because they are not given access to the right materials to learn from, but this problem tends to take awhile for people to realize. Ask yourself if you are consistently stuck in your practices, and you should be able to find out.

Keyboard students sometimes reach the crossroad when they realize that they are not getting the results that they seek. While sometimes the problem does lie in the keyboard teacher, there are other times when the problem is actually down to something else. Whatever it is, identify the problem and find the right solution to make sure that you are not stop in tracks unnecessarily. - 18423

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