u.s.h-ch.h

全数字高清电视数字调谐器

#include "struct.h"


  
ch_table code usa_ch
                 {
                  82,//unsigned char  opn当前国家总频道数
                  20,//unsigned char  vhf_l当前国家V_L频道数
                  60,//unsigned char  vhf_h当前国家V_H频道数
                  
                  45.75,//float  ccir_catv_if图象中频
                  44,//float  cen_if2中频中心频率
                  0.0625,//float  fsteps最小调谐步骤
                  6,//float  f_ifbwith频带宽度 
                  //tva usa_ch[82]=
                  {
                                {57,54,60},
                                {63,60,66},
                                {69,66,72},
                                {79,76,82},
                                {85,82,88},
                                {177,174,180},
                                {183,180,186},
                                {189,186,192},
                                {195,192,198},
                                {201,198,204},
                                {207,204,210},
                                {213,210,216},
                                {473,470,476},
                                {479,476,482},
                                {485,482,488},
                                {491,488,494},
                                {497,494,500},
                                {503,500,506},
                                {509,506,512},
                                {515,512,518},
                                {521,518,524},
                                {527,524,530},
                                {533,530,536},
                                {539,536,542},
                                {545,542,548},
                                {551,548,554},
                                {557,554,560},
                                {563,560,566},
                                {569,566,572},
                                {575,572,578},
                                {581,578,584},
                                {587,584,590},
                                {593,590,596},
                                {599,596,602},
                                {605,602,608},
                                {611,608,614},
                                {617,614,620},
                                {623,620,626},
                                {629,626,632},
                                {635,632,638},
                                {641,638,644},
                                {647,644,650},
                                {653,650,656},
                                {659,656,662},
                                {665,662,668},
                                {671,668,674},
                                {677,674,680},
                                {683,680,686},
                                {689,686,692},
                                {695,692,698},
                                {701,698,704},
                                {707,704,710},
                                {713,710,716},
                                {719,716,722},
                                {725,722,728},
                                {731,728,734},
                                {737,734,740},
                                {743,740,746},
                                {749,746,752},
                                {755,752,758},
                                {761,758,764},
                                {767,764,770},
                                {773,770,776},
                                {779,776,782},
                                {785,782,788},
                                {791,788,794},
                                {797,794,800},
                                {803,800,806},
                                {809,806,812},
                                {815,812,818},
                                {821,818,824},
                                {827,824,830},
                                {833,830,836},
                                {839,836,842},
                                {845,842,848},
                                {851,848,854},
                                {857,854,860},
                                {863,860,866},
                                {869,866,872},
                                {875,872,878},
                                {881,878,884},
                                {887,884,890}
                                }
                             };