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0153]{31222109,121294070, TYPE_BRIDGE, ¡¨Îâ°ã´óÇÅ¡¨ }£¬
0154]{31154787£¬121324501£¬TYPE_BRIDGE£¬¡¨ÑîÆÖ´óÇÅ¡¨ }£¬
0155]...}
0156]¼ÆËãÿ×ùÇÅÓ뵱ǰλÖÃÖ®¼äµÄ¾àÀ룬µ¥Î»Îª1Ã×£¬´æ´¢ÔڽṹÌåÊý×éÖÐ
0157]typedef struct { hword bridge-no; word distance; word distancel; word distance2; word cnt; word status; } sBridge;
sBridge Bridge[MAX-BRIDGE-NO];
double GetDistance(double latl£¬ double lngl, double lat2, double
lng2) {
double radLatl, radLat2, a, b, s;
radLatl = rad (latl)£» radLat2 = rad(lat2); a = radLatl - radLat2; b = rad (lngl) - rad (lng2)£» s=2*asin(sqrt (pow(sin(a/2), 2) + cos (radLatl) *cos (radLat2) *pow(sin(b/2), 2))); s=s* EARTH-RADIUS; s = floor (s * 10000) / 10;return s;//uint: Im
}¶Ôÿ×ùÇŵ½µ±Ç°Î»ÖõľàÀë½øÐдÓСµ½´óµÄÅÅÐò¡£void SortBridge(void) {
sBridge *s, *sl;
hword i, j, no, bridge_no;
word distance, cnt, status;
for(i=0; i<MAX_BRIDGE_NO-l; i++) {
s = &Bridge [i]£» distance = s->distance; no = i;
for(j=i+l; j<MAX_BRIDGE_NO; j++) {
s = &Bridge[j];
if (s->distance < distance) {
distance = s->distance; no = j;
}s = &Bridge[no]; si = &Bridge[i];
bridge¡ªno
=sl->bridge_no;
distance
=sl->distance;
cnt
=sl->cnt;
status
sl->status;
sl->bridge_no = s->bridge_no;
sl->distance
=s->distance:
sl->cnt
=s->cnt;
sl->status
=s->status;
s->bridge_no
=bridge¡ªno;
s->distance = distance;
s->cnt
=cnt;
s->status
status;¾­ÅÅÐòºó£¬½á¹¹ÌåÊý×éBridge[MAX_BRIDGE_N0]µÄµÚÒ»¸öÔªËØBridge W]¼´Îª×î½üµÄÇÅÁº¡£ÎªÁËÅжÏÇÅÁºÊÇ·ñÊÇ¿¿½ü״̬£¬ÔڽṹÌåsBridgeÖж¨ÒåÁË 3¸ö¾àÀ룬¼´°´ÕÕʱ¼äÏȺó˳Ðò´¢´æ3´Î¾àÀ룬Èç¹û¾àÀëÊDZä´óÔòÈÏΪÊÇÀ뿪״̬£¬Èç¾àÀëÊDZäСÔòÈÏΪÊÇ¿¿½ü״̬¡£void TargetDepart (void) {
sBridge *s; hword i;
for (i=0; i<MAX_BRIDGE_N0; i++) {
s = &Bridge[i];
if ((s->distance) > (s->distancel) M (s->distancel) > (s->distance2)) s->status = DEPART;
s->distance2 = s->distancel; s->distancel = s->distance;
}
}Èç×î½üµÄÇÅÁºÂú×ãÊÇ¿¿½ü״̬£¬ÇÒÂú×㱨¾¯¾àÀ벢ûÓб¨¾¯¹ý£¬´Ëʱ´¥·¢±¨¾¯¡£(5)ÓïÒôºÏ³É±¨¾¯Ëù²ÉÓõÄÓïÒô£¬ÎªÕæÈË·¢Òô£¬Ê¹ÓÃLPC2366ÖÐËù´øµÄD/Aת»»¹¦ÄÜ£¬½«WAVÎļþת»»³ÉÓïÒôÄ£ÄâÐźÅÊä³ö£¬¾­·Å´óµÃµ½ÕæÈËÓïÒô£¬ÆäÁ÷³ÌÈçͼ5Ëùʾ¡£WAVΪ΢Èí¹«Ë¾(Microsoft)¿ª·¢µÄÒ»ÖÖÉùÒôÎļþ¸ñʽ£¬Ëü·ûºÏRIFF (Resource Interchange File Format)Îļþ¹æ·¶£¬ÓÃÓÚ±£´æWindowsƽ̨µÄÒôƵÐÅÏ¢×ÊÔ´£¬±»Windows ƽ̨¼°ÆäÓ¦ÓóÌÐòËù¹ã·ºÖ§³Ö£¬¸Ã¸ñʽҲ֧³ÖMSADPCM£¬CCITT A LAWµÈ¶àÖÖѹËõÔËËã·¨£¬ Ö§³Ö¶àÖÖÒôƵÊý×Ö£¬È¡ÑùƵÂʺÍÉùµÀ£¬±ê×¼¸ñʽ»¯µÄWAVÎļþºÍCD¸ñʽһÑù£¬Ò²ÊÇ44. IK µÄÈ¡ÑùƵÂÊ£¬16λÁ¿»¯Êý×Ö£¬Òò´ËÔÚÉùÒôÎļþÖÊÁ¿ºÍCDÏà²îÎÞ¼¸¡£ËüʹÓÃÈý¸ö²ÎÊýÀ´±íʾÉùÒô²ÉÑùλÊý¡¢²ÉÑùƵÂʺÍÉùµÀÊý¡£ÉùµÀÓе¥ÉùµÀºÍÁ¢ÌåÉùÖ®·Ö£¬²ÉÑùƵÂÊÒ»°ãÓÐ 11025Hz (IlkHz) ,22050Hz (22kHz)ºÍ 44100Hz 04kHz)ÈýÖÖ¡£WAV ÎļþËùÕ¼ÈÝÁ¿=(²ÉÑùƵÂÊX²ÉÑùλÊýXÉùµÀ)Xʱ¼ä/8(1×Ö½Ú=8bit)¡£WAVEÎļþ×÷Ϊ¶àýÌåÖÐʹÓõÄÉù²¨Îļþ¸ñʽ֮һ£¬ËüÊÇÒÔRIFF¸ñʽΪ±ê×¼µÄ¡£ RIFFÊÇÓ¢ÎÄResource Interchange File FormatµÄËõд£¬Ã¿¸öWAVEÎļþµÄÍ·Ëĸö×Ö½Ú±ãÊÇ¡°RIFF¡±¡£WAVEÎļþÓÉÎļþÍ·ºÍÊý¾ÝÌåÁ½´ó²¿·Ö×é³É¡£ÆäÖÐÎļþÍ·ÓÖ·ÖΪRIFF/WAVÎļþ±êʶ¶ÎºÍÉùÒôÊý¾Ý¸ñʽ˵Ã÷¶ÎÁ½²¿·Ö¡£³£¼ûµÄÉùÒôÎļþÖ÷ÒªÓÐÁ½ÖÖ£¬·Ö±ð¶ÔÓ¦ÓÚµ¥ÉùµÀ (11.025KHZ²ÉÑùÂÊ¡¢8BitµÄ²ÉÑùÖµ)ºÍË«ÉùµÀIKHz²ÉÑùÂÊ¡¢16BitµÄ²ÉÑùÖµ)¡£²ÉÑùÂÊÊÇÖ¸ÉùÒôÐźÅÔÚ¡°Ä£Ò»Êý¡±×ª»»¹ý³ÌÖе¥Î»Ê±¼äÄÚ²ÉÑùµÄ´ÎÊý¡£²ÉÑùÖµÊÇָÿһ´Î²ÉÑùÖÜÆÚÄÚÉùÒôÄ£ÄâÐźŵĻý·ÖÖµ¡£¶ÔÓÚµ¥ÉùµÀÉùÒôÎļþ£¬²ÉÑùÊý¾ÝΪ°ËλµÄ¶ÌÕûÊý(short int 00H-FFH)£»¶ø¶ÔÓÚË«ÉùµÀÁ¢ÌåÉùÉùÒôÎļþ£¬Ã¿´Î²ÉÑùÊý¾ÝΪһ¸ö16λµÄÕûÊý(int)£¬¸ß°ËλºÍµÍ°Ëλ·Ö±ð´ú±í×óÓÒÁ½¸öÉùµÀ¡£WAVEÎļþÊý¾Ý¿é°üº¬ÒÔÂö³å±àÂëµ÷ÖÆ(PCM)¸ñʽ±íʾµÄÑù±¾¡£WAVEÎļþÊÇÓÉÑù±¾×éÖ¯¶ø³ÉµÄ¡£ÔÚµ¥ÉùµÀWAVEÎļþÖУ¬ÉùµÀ0´ú±í×óÉùµÀ£¬ÉùµÀ 1´ú±íÓÒÉùµÀ¡£ÔÚ¶àÉùµÀWAVEÎļþÖУ¬Ñù±¾Êǽ»Ìæ³öÏֵġ£WAVEÎļþµÄÿ¸öÑù±¾Öµ°üº¬ÔÚÒ»¸öÕûÊýiÖУ¬iµÄ³¤¶ÈΪÈÝÄÉÖ¸¶¨Ñù±¾³¤¶ÈËùÐèµÄ×îС×Ö½ÚÊý¡£Ê×ÏÈ´æ´¢µÍÓÐЧ×Ö½Ú£¬±íʾÑù±¾·ù¶ÈµÄλ·ÅÔÚiµÄ¸ßÓÐЧλÉÏ£¬Ê£ÏµÄλÖÃΪ0£¬ÕâÑù8λºÍ16λµÄPCM²¨ÐÎÑù±¾µÄÊý¾Ý¸ñʽ¡£WAVEÎļþ×÷Ϊ¶àýÌåÖÐʹÓõÄÉù²¨Îļþ¸ñʽ֮һ£¬ËüÊÇÒÔRIFF¸ñʽΪ±ê×¼µÄ¡£
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