Rạng rỡ là định nghĩa cho các lĩnh vực quasihomogeneous như Fourier biến đổi của mật độ cross-quang phổ: B (x, s, n) ¼ đ W (Dx, x, n) e (2pin) = csÁDx d Dx (10:49) Theo xấp xỉ này, đo lường sự chói sáng trên bề mặt là tương đương để đo W. | Geoffrey of Monmouth pursuers. The Britons thus giving ground Hider with another reinforcement of five thousand men advanced with speed to sustain them so that they again faced those upon whom they had turned their backs and renewed the assault with great vigour. The Romans also stood their ground and continued the fight with various success. The great fault of the Britons was that though they had been very eager to begin the fight yet when begun they were less careful of the hazard they ran. Whereas the Romans were under better discipline and had the advantage of a prudent commander Petreius Cotta to tell them where to advance and where to give ground and by these means did great injury to the enemy. When Boso observed this he drew off from the rest a large party of those whom he knew to be the stoutest men and spoke to them after this manner ÒSince we have begun this fight without ArthurÕs knowledge we must take care that we be not defeated in the enterprise. For if we should we shall both very much endanger our men and incur the kingÕs high displeasure. Rouse up your courage and follow me through the Roman squadrons that with the favour of good fortune we may either kill or take Petreius With this they put spurs to their horses and piercing through the enemiesÕ thickest ranks reached the place where Petreius was giving his commands. Boso hastily ran in upon him and grasping him about the neck fell with him to the ground as he had intended. The Romans hereupon ran to his delivery as did the Britons to BosoÕs assistance which occasioned on both sides great slaughter noise and confusion while one party strove to rescue their leader and the other to keep him prisoner. So that this proved the sharpest part of the whole fight and wherein their spears swords and arrows had the fullest employment. At length the Britons joining in a close body and sustaining patiently the assaults of the Romans retired to the main body of their army with Petreius which they .
