Mạch lạc và hình ảnh rời rạc (a) là đáp ứng xung cho hình ảnh rời rạc là hình vuông của đáp ứng xung cho hình ảnh kết hợp, một hệ thống hình ảnh rời rạc thực hiện một chuyển đổi tuyến tính? | Book VI. Chapter 1. Gratian being advanced to the throne is killed by the common people. The Britons desire the Romans to defend them against Guanius and Melga. But Gratian Municeps hearing of the death of Maximian seized the crown and made himself king. After this he exercised such tyranny that the common people fell upon him in tumultuous manner and murdered him. When this news reached other countries their former enemies returned back from Ireland and bringing with them the Scots Norwegians and Dacians made dreadful devastations with fire and sword over the whole kingdom from sea to sea upon this most grievous calamity and oppression ambassadors are despatched with letters to Rome to beseech with tears and vows of perpetual subjection that a body of men might be sent to revenge their injuries and drive out the enemy from them. The ambassadors in a short time prevailed so far that unmindful of past injuries the Romans granted them one legion which was transported in a fleet to their country and there speedily encountered the enemy. At last after the slaughter of a vast multitude of them they drove them entirely out of the country and rescued the miserable people from their outrageous cruelty. Then they gave orders for a wall to be built between Albania and Deira from one sea to the other for a terror to the enemy and safeguard to the country. At that time Albania was wholly laid waste by the frequent invasions of barbarous nations and whatever enemies made an attempt upon the country met with a convenient landing-place there. So that the inhabitants were diligent in working upon the wall which they finished partly at the public partly upon private charge. 89 Geoffrey of Monmouth Chapter 2. Guethelin s speech to the Britons when the Romans left them. The Romans after this declared to the Britons that they should not be able for the future to undergo the fatigue of such laborious expeditions and that it was beneath the dignity of the Roman state to harass so great
