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Indian Space Capabilities

yep, still image looks blurry. scale down image supposed to look crisp and sharper than the original 1:1.

you can have an image with very high resolution and very large size that is poor quality..

*ttp://www.isro.org/pressrelease/contents/2008/images/11.jpg
Now it's clear why pakistan doesn't have a single satellite of it's own make. Dick heads like you who have no knowledge of satellites or even basic image processing try to criticize the work of an institution which has sent satellite to moon ,thus discovering ice on moon.
When you zoom into an image , the number of pixels of screen devoted to a particular portion of the pic increase.If the pic originally has higher pixel density , then these pixels are rendered on the newly available screen pixels.Thus a portion of the pic gets more detailedly rendered.
When a pic is reduced in it's data size/resolution a group of pixels are approximated into one in the new pic.Now even if you zoom into it,you wont see detail .That's because the original pic's details have been destroyed when it's resolution is reduced.
A picture will look sharper when it is reduced in it's dimensions and that too only when the pixel density of your display is greater than that of your pic.However it will always look less detailed when it's resolution is reduced.ie. The data is compressed by approximating a group of pixels and placing a single pixel data in their place.
 
yep, still image looks blurry. scale down image supposed to look crisp and sharper than the original 1:1.

you can have an image with very high resolution and very large size that is poor quality..

*ttp://www.isro.org/pressrelease/contents/2008/images/11.jpg

that not even the high res pic what are you on about
 
Why argue with a guy who doesnt even know the basics of photography let alone satellites. He doesnt even know what is a pixel .By trying to downplay India's achievements some Pakistani members expose their lack of basic knowledge.
 
India is building it's infrastructure, military, because their government is forced to. the leaders of Indian government are so lazy, that they do work, because of the fear by china, Pakistan and their own media.

On the other side, whatever china is doing, their leaders are doing, because they want to rule the world and they want to develop a country and face America in every aspect.


Now don't get me wrong, there are some Indians who want India to develop and most of them are forgines or educated. However if you look at the Indian government, they spend $, when they see china has built something, or Pakistan has bought something.

I want the Indian government to do things, because they WANT to . NOT because of the rise of china or Pakistan.

Therefore before talking so much about it, make sure it's successful and don't make big news from it until it's completely successful. Just keep media away from all that.
 
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resolution size and image quality are two different thing. know the difference first before insulting me..lol go look at the geoeye images at same scaledown and see how crisp and sharp compare to those from crappy indian camera is..lol

a lower res good image quality can be as good or better than a high res when post-processing....an indian satellite has high res but poor quality..lolhah
 
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Stay committed to space
GSLV D3 failure should not demoralise, but revitalise
Business Standard / New Delhi April 19, 2010, 0:35 IST

GSLV D3 failure should not demoralise, but revitalise

The failure of the GSLV D3 launch and more specifically, the failure of the indigenous cryogenic engine is undoubtedly a major setback for the space programme. It must have been heart-breaking for the development team that slogged 17-odd years. But the crash has to be taken in its stride and written off to statistical probability. Just five nations have reliable cryogenic technology. All have research budgets that dwarf ISRO and all went through decades of tests and experimental failures. Cryogenic engines use super-cooled gases (usually liquid hydrogen and liquid oxygen) as fuel. As the liquids mix and vapourise in the rocket chamber, they expand explosively, imparting thrust. In theory, it is the most efficient form of rocket propulsion. But while the principles derive from Newtonian mechanics, the technical challenges are staggering. Cooling gases to -190ºC and storing them as liquids until the optimum moment is difficult. Things can go wrong at many stages. ISRO will have to work out what exactly did go wrong. There can be no question about staying committed to the programme. Space capability depends on reliable cryogenic engines and India cannot piggyback indefinitely on Russian cryogenics. ISRO possesses only two Russian engines at this instant and there are no guarantees the Russians will sell any more. GSLV D3 with all payloads costs Rs 330 crore. The engine itself costs around Rs 180 crore. These are drops in the ocean of potential returns. India’s entire space programme spends Rs 5,800 crore per annum, that is around 0.1 per cent of GDP.

The return is already many multiples of expenditure. The potential returns could be much higher. Satellite capability has helped extend the TV-Telecom footprint to remote areas where satellite-based technology costs a fifth of the alternatives. Licensing fees and revenue shares from those services already pay for the entire space programme with plenty to spare. In addition, sat-technology has enabled mapping, remote-sensing and zoning services. Improved road planning, municipal tax collection, safe drinking water and irrigation programmes, as well as better weather and crop forecasting, can be attributed to satellite capability. The potential for use in anti-insurgency exercises also exists. Again, the returns exceed the expenditure by magnitudes. Indigenous cryogenic engines will make India a major player and a possible game-changer in the multi-billion-dollar commercial satellite market. According to estimates published in MIT’s Technology Review, India may eventually be able to put payloads in orbit at costs of $67/kg. The Russians charge $3,500/kg for a commercial payload and NASA charges even more.

If those estimates are near-credible (they are endorsed by at least one NASA adviser and ISRO has some patents on the designs), an Indian presence would change the market dynamics. Hence, there are sound commercial reasons for the “haves” to be reluctant to share technology. Well-vented fears of potential dual-use in the missile programme may just be a convenient excuse. It is true, however, that cryogenic engines are critical to inter-continental ballistic missile (ICBM) design. From South Block’s perspective, whether India develops ICBMs or not, possessing cryogenic capability could scarcely hurt.

Given the multitude of reasons to push on with the cryogenic engine development programme, the political establishment should back it to the hilt despite this setback. Give ISRO the time and resources to return to the drawing board and seek solutions.
 
resolution size and image quality are two different thing. know the difference first before insulting me..lol go look at the geoeye images at same scaledown and see how crisp and sharp compare to those from crappy indian camera is..lol

a lower res good image quality can be as good or better than a high res when post-processing....an indian satellite has high res but poor quality..lolhah

Cartosat 2B has a resolution of 0.8x0.8m:azn:.Get to know the facts before trying to insult others by stupid comments:sniper:. First try to respect others achievement and then fight here... :wave:
 
Cartosat 2B has a resolution of 0.8x0.8m:azn:.Get to know the facts before trying to insult others by stupid comments:sniper:. First try to respect others achievement and then fight here... :wave:

leave it bro....those who r impot**nt get a mental satisfaction in seeing
a pot**t man's wife dying..
But they forget the fact that he can do it again with others...

Sorry for the rude reply.
 
resolution size and image quality are two different thing. know the difference first before insulting me..lol go look at the geoeye images at same scaledown and see how crisp and sharp compare to those from crappy indian camera is..lol

a lower res good image quality can be as good or better than a high res when post-processing....an indian satellite has high res but poor quality..lolhah

and the image quality and resolution provided by any indegeneously developed Pakistani satellite?? oops!!! did i ask the wrong question??
should i ask how many pakistani satellites r there which r actually capable of providing services like
Bhuvan???
Hey kiddo,if u really have an ounce of self -respect left in u then try to realise that u r actually making a complete fool out of yourself.

It is like u meet a beggar down the street,where u have parked ur honda city,and the beggar strikes an uninvited conversation with u suggesting how a mercedes c-class is better than ur car.
Its pathetic,just............pathetic:sick::sick:
 
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India's cryo-engine failure: Beginning not the end

It's time that we, as a nation, stopped fearing failure and waiting for instant success in our space ventures. Let us instead applaud the journey, even if it comes at a certain cost to the taxpayer, argues M D Riti.

It took us almost two decades to develop our own cryo-engine. And when we tried it out the first time, on an Rs 330 crore rupee Geosynchronous Satellite Launch Vehicle, it failed. To most Indians this is just one day's headline news. The games the scientists play, they say, shaking their heads resignedly, as they walk away into their daily survival battles.

To the men and women who have slaved over building this engine at Valiamala -- and many of them have since retired, passed on the mantle to their successors -- it must have been a huge disappointment. As for the high income tax payer, he has long since stopped questioning India's [ Images ] big spend on space research.

The question that nobody is really raising right now is that the cryo-engine, expensive as it may be, is actually a symbol of Indian nationalism and pride. As is our entire space programme. It has always seemed strange that India, with its meager resources, should put down such a high percentage of its annual budget towards space research.

As A P J Kalam, who was one of the first scientists to work on the Indian space programme, says, 'Many individuals with myopic vision questioned the relevance of space activities in a newly independent nation, which was finding it difficult to feed its population. Their vision was clear if Indians were to play meaningful role in the community of nations, they must be second to none in the application of advanced technologies to their real-life problems.'

It was this decision taken almost half a century ago, to invest government money that was hard to spare into space research that stood us in good stead when the US declared a two-year ban on the sale of technology and supplies to the Indian space programme in May 1992. The US's bullying did not stop there. Soon after that, the US actually forced the USSR to back out of its agreement to transfer cryogenic engine technology to India.

The US ostensibly objected to India having this technology at that time because we had not signed the Missile Technology Control Regime. However, the Indian Space Research Organisation always believed that the US's real concern was not that India will use this technology to launch intercontinental ballistic missiles, but that our launch vehicle program would speed up and become a threat to its commercial launch services.

ISRO never got worked up about the US sanctions even at that time. The then chairman Dr U R Rao said to this writer, at that time, "We may get some satellite components more easily, once the sanction period ends, but as far as rocketry goes, they were never open with us. We have to be self reliant in critical areas because even if they lift this embargo, they will bring in some other rule."

It really goes to the credit of the Indian space programme that even the US's attempt to twist ISRO's arm by getting the Russian space agency Glavkosmos to back out of its agreement to transfer cryo-engine technology to it did not worry it too much. ISRO immediately began working on developing a cryo engine and simultaneously kept trying to renegotiate its contract with Glavkosmos. Finally, we got some readymade cryo engines from them, but no technology transfer.

ISRO always believed that the US feared its launch vehicle programme for another reason. "Everyone knows that cryogenic technology is not a missile technology," Rao had said to this writer at that time. "I am sure that the embargo is mainly commercially motivated. They want to slow down our launch vehicle development because we will be able to launch satellites for $25 million (about Rs 110 crore), while it costs $75 million (about Rs 330 crore) elsewhere."

Much water has passed under the bridge since then. India's launch vehicle programme has now taken off. We did even launch satellites commercially for other countries, though we are still far from becoming a popular commercial launch seller. Commercial launching is unlikely to ever take off big time in India because the Indian space program has other very clear priorities.

The story of Indian space research really began with Vikram Sarabhai, the man who is called the father of Indian space research. Sarabhai was in his twenties when he returned to India from England [ Images ], where he had gone to study, and began working with C V Raman in Bangalore. In 1962, the Department of Atomic Energy set up a committee headed by Sarabhai to organise a national space programme.

Interestingly, the history of Indian rocketry goes back to long before Sarabhai or even independence. The first Indian rockets were probably the ones used by Tipu Sultan in the battles of Srirangapatna in 1799. Two Indian rockets even found their way to a museum at Woolwich in Britain, and inspired William Congreve to build one more of the same kind there!

The two primary aims of Sarabhai's space programme was that we should develop our own satellites as well as the rockets or launchers to put them into orbit. The satellites would have two main objectives: Remote sensing and communication. The Americans were closely involved with the programme at this stage, and US National Aeronautics and Space Agency engineers actually helped the early ISRO recruits to launch an American sounding rocket from the launching pad on Thumba beach in Kerala [ Images ].

Sarabhai himself had anticipated criticism of the big government spend on the space programme, and had said, 'There are some who will question the relevance of space activities in a developing nation.' He himself believed passionately that only space research would help India 'leapfrog' (his favorite word) into the 21st century, but only if it is concentrated entirely on applying advanced technologies to the real problems of the people. He had actually cautioned the government against 'having the fantasy of competing with the economically advanced nations in exploring the moon or the planets.'

The high budget allocations to space research have always been resented, although covertly, by the rest of the Indian scientific community. But as Rao told this writer, "If space is getting a lot of money and attention from the government, it is only because it provides a lot of essential services to the country. Space is not being given importance because it is hi-tech or glamorous, but only because it takes science to the poor man."

The truth of this statement cannot be denied. We use our cell phones without being under the control of big brother superpowers today because we have an independent space programme. We may not be competing internationally to sell launch services, and we may not have put a man on the moon all on our own yet. But we give our farmers scientific data on weather and soil conditions.

So, aren't we all proud to belong to one of the world's relatively advanced space faring nations? And we are reaping big benefits. We have amazing telecom benefits all of which come from our own indigenously developed satellites that are in orbit.

Well, why can't we just pay other countries that have commercial satellite launching services to put our satellites up into orbit? The answer to this question is that after we became free of colonial rule, we as a nation chose a path of independence in atomic energy and space. We had become tired of being forced to give bigger countries power over us.

India uses its satellites communication network, which is now one of the largest in the world, for applications such as land management, water resources management, natural disaster forecasting, radio networking, weather forecasting, meteorological imaging and computer communication.

Space technology made telemedicine possible by directly connecting patients in rural areas to medical professionals in urban locations via satellites. Rural patients in remote areas are diagnosed and treated by doctors in cities in real time through video conferencing.

India's satellites and satellite launch vehicles have had military spin-offs. In its early years, Sarabhai and even Satish Dhawan, when he was ISRO chairman, opposed space research having military applications. Eventually, however, the Defence Research and Development Organisation borrowed people (Kalam and some of his associates) and technology from ISRO. The IRS and INSAT satellites were primarily intended and used for economic applications, but they also offered military spin-offs.

So can we stop right here, since our space programme is already doing a lot, and not spend more money developing a cryo-engine. Not really. You cannot stop the progress of technology or science research just because it has achieved certain objectives.

It's time that we, as a nation, stopped fearing failure and waiting for instant success. Let us instead applaud the journey towards independence, even if it comes at a certain cost to the taxpayer.
 
Will love to be part of ISRO prog: NASA astronaut trainer

Bangalore: Michelle Ham, a trainer for astronauts at NASA, has expressed her willingness to extend her support to the ISRO's human space flight programme slated for 2015-16.

"I would be delighted and honoured," Michelle told PTI here today when asked if she was ready to take up the assignment if offered by the Indian Space Research Organisation.

"I would love to be part of the Indian space programme when you guys start sending people to space....," Michelle, who trains space station and space shuttle astronauts, said.

Besides the US space agency NASA, Michelle has trained astronauts of European, Japanese and Russian space agencies in past seven years.


Michelle, whose husband is a NASA astronaut, said she was ready to be of help in astronaut training in India but only for a "short time because there is so much of the world I would like to see".

According to ISRO officials, the space agency has already drawn an outline for astronaut training centre which would come up near Bangalore international airport at Devanahalli on the outskirts of the city.

Officials expect investment of about Rs 600 crore to Rs 700 crore for the training centre.

ISRO has already carried out a detailed study on the feasibility of undertaking the indigenous mission, with an aim to build and demonstrate the capability for carrying humans to low earth orbit and their return to earth.

The programme envisages development of a fully autonomous orbital vehicle carrying two or three crew members to about 300 km-low earth orbit and their safe return.

Will love to be part of ISRO prog: NASA astronaut trainer
 
guys im planning to give a seminar sort of thing in my college on ISRO and DRDO can anybody provide me some of the materiels/features/knowledge that i could add in my presentation
help...
 
ISRO
DRDO
DRDO public Interface
ISRO publications
Bhuvan-A Google Earth like observation system by ISRO
--lemme know more specifically if u need anything else.Iwill try to get u some more publicly available data.

Thnx for replying
basically its going to be a complete info regarding these organisations.
That includes a brief history.........like establishment year, purpose of establishment, very first initial projects etc,

Then comes the regular updations that went on..........means what things(setallites, SLVs) have replaced what

Then comes the comparision part with the world........wher does our projects stands as compared to theres .......like PSLVs, GSLVs, aircrafts, all sort of satellites, comparing Brahmos etc with other missiles of the world their +s and -s

Then comes how the students taking educaton in the same field could gain out of it........means the scope of employment in ISRo DRDO

Then comes most important part, the future projects........what isro plans for moon/mars/sun
what drdo plans for future aircrafts or battle equipments(if im not wrong drdo is working on a thing called plasma gun)

videos cant be embedd in presentation though pics are highly appreciated

dont worry i;ll do most of the searching work but it wud be nice if i could just get a litle help coz i see people here are really knowledgeful and attentive
thnx
 
guys im planning to give a seminar sort of thing in my college on ISRO and DRDO can anybody provide me some of the materiels/features/knowledge that i could add in my presentation
help...

Dont forget to add "indigenous" after every other word. I am sure the audience ego will be satisfied with taking all credit away from foreigner technologies.
 

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