发明名称 APPARATUS FOR IDENTIFYING OBSTACLE CAUSING GHOST DEFECT, METHOD FOR IDENTIFYING OBSTACLE CAUSING GHOST DEFECT, AND PROGRAM FOR IDENTIFYING OBSTACLE CAUSING GHOST DEFECT
摘要 <P>PROBLEM TO BE SOLVED: To provide a apparatus for identifying obstacle causing ghost defect, a method for identifying obstacle causing ghost defect, and a program for identifying obstacle causing ghost defect whereby an obstacle causing a ghost defect can simply be identified. <P>SOLUTION: The apparatus for identifying obstacle causing ghost defect is provided with: a map information storage section 4 for storing map information whereby a ground structure such as a building interfering with a television broadcast wave can be identified; an information entry section 5 for entering information of a radiation source and a receiving point of the television broadcast wave on a map; a broadcast wave calculation section 2 for receiving the television broadcast wave at the receiving point and calculating a path of a desired wave directly arriving in the receiving point from the radiation source and a path of a delayed wave; and a display section 3 for displaying the path of the desired wave and the path of the delayed wave obtained by the broadcast wave calculation section 2 while superimposing them on the map information extracted from the map information storage section 4. <P>COPYRIGHT: (C)2004,JPO&NCIPI
申请公布号 JP2004186761(A) 申请公布日期 2004.07.02
申请号 JP20020348219 申请日期 2002.11.29
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 YAMADA IZUMI
分类号 H04N17/00;H04B17/00 主分类号 H04N17/00
代理机构 代理人
主权项
地址