DARPA wants to put real-time links into tiny satellites

Source: http://defensesystems.com/articles/2015/06/11/darpa-low-power-data-links-nanosatellites.aspx

By Mark Pomerleau

Jun 11, 2015

The military has been working on developing small, inexpensive satellites for short-term, specific uses, but a key to making them work is fitting high data-rate capabilities into small form factors without enough power to do the job.

The Defense Advanced Research Projects Agency has begun the solicitation process for lightweight and low-power inter-satellite communications links for nanosatellites, or CubSats. DARPA wants to “provide the highest data-rate between microsatellites, consistent with their small size and limited power consumption.”

More specifically, DARPA wants to go as small as possible with the most output. “[T]his program seeks to develop [inter-satellite communications links] with the highest practical data rates while having a per-link average weight of less than 2 pounds and an orbit-average power dissipation of less than 3 watts,” the solicitation states. “Efforts proposed under this BAA will explore link concepts and demonstrate revolutionary flight hardware that yields ISCLs with high communication data rates (>1 Mbps) within very tight weight and power constraints. Both optical and radio frequency (RF) links will be considered.”

The proposal calls for development in two technical areas. The first, requiring development within 24 months, calls for the links to be able to operate for at least a year. The second, independent of the 24 month schedule, is aiming for more “aggressive enabling technologies and higher performance system[s].”

These microsatellites will be procured with the intention of conducting intelligence, surveillance and reconnaissance (ISR), which means that they should be survivable and require jam-resistant communications. Additionally, they will also serve as communications systems and therefore must require, at the very least, near-real-time data capabilities.

DARPA requires a nominal communications range of between 2,000 and 4,000 kilometers (roughly 1,200 to 2,400 miles).

Advertenties

Over ariannelot

"Hidden manna from the promised "White Stone", Rev 2:17 P1446:5, 131:3.3 . . . It is evil to see sin where there is no sin; TO SEE NO SIN WHERE THERE IS SIN. Evil is the path of FALSE DOCTRINES. Those who avoid evil BY SEEING THINGS AS THEY ARE gain joy by thus embracing the truth. Make an end of your misery BY LOATHING SIN. When you look up to the Noble One, turn away from sin with a whole heart. Make no apology for evil; MAKE NO EXCUSE FOR SIN. By your efforts to make amends for past sins you acquire strength to resist future tendencies thereto. Restraint is born of repentance. Leave no fault unconfessed to the Noble One. 131:3.4 (1447.1) “Cheerfulness and gladness are the rewards of deeds well done and to the glory of the Immortal. No man can rob you of the liberty of your own mind. When the faith of your religion has emancipated your heart, when the mind, like a mountain, is settled and immovable, then shall the peace of the soul flow tranquilly like a river of waters. Those who are sure of salvation are forever free from lust, envy, hatred, and the delusions of wealth. While faith is the energy of the better life, nevertheless, must you work out your own salvation with perseverance. If you would be certain of your final salvation, then make sure that you sincerely seek to fulfill all righteousness. Cultivate the assurance of the heart which springs from within and thus come to enjoy the ecstasy of eternal salvation. ~~ Urantia Book Paper 131 ~~
Dit bericht werd geplaatst in Geen categorie. Bookmark de permalink .

Geef een reactie

Vul je gegevens in of klik op een icoon om in te loggen.

WordPress.com logo

Je reageert onder je WordPress.com account. Log uit / Bijwerken )

Twitter-afbeelding

Je reageert onder je Twitter account. Log uit / Bijwerken )

Facebook foto

Je reageert onder je Facebook account. Log uit / Bijwerken )

Google+ photo

Je reageert onder je Google+ account. Log uit / Bijwerken )

Verbinden met %s