3.4.1 track � � � � � � lambda � � � � � � ĸ ˻ � � �
1. � � � � � � � ˵ � � � � � lambda � �
� � � � � � � ˵ � � � � � lambda � � � � � � ĸ ˻ � � � ʱ � � � � � � � � � � ֪ � � � � � BC awesome � � � LThe BC� � � � � ˵ � � � � � lambda � � B1C1 � � B2C2 � � B3C3 ʱ � � � � � � � � � � ĸ ˻ � � � � ţ �ͼ � � � � �� �
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� � � � � � � ˵ � � � � � lambda � � B1C1 � � B2C2 ʱ � � � � � � � � ˵ � � � � � lambda � � � � � ƣ � � � � � ĸ ˻ � � � ͼ � � � � � � � � ¡ �
� � ѡ � � � � � ȱ � � � � � � � � � � � ˵ � � � � � lambda � � B1C1 � � B2C2 � �
� � � � � � B1B2 � � C1C2 � � � ֱ � � � � ߶ � B1B2 � � C1C2 � Ĵ � ֱ ƽ � � � � B12 � � C12 � � � ֱ � � � B12 � � C12 � � � � � � ȡ A � � D � � � 㣬 A � � D � � � 㼴 � � � � � � � � � ܸ ˵ Ĺ ̶ � � � � � � � � ġ � � � � � AB1 � � C1D � � B1C1 � � AD � � AB1C1D � � Ϊ � � � � � � ĸ ˻ � � � � �
� ۲ � � � AB1 � � C1D � � AD � � � � lAB� � LCDLThe AD� awesome � � �.
� � � � A � � � � � � � ѡ ȡ � � � � � � � � � � � � ⡣ � � ʵ � � � � � � п ɸ � � � � � � � � � � � � � � � � � � � � � � � � � � � С � � � � � ǻ � � � A � � D � İ � װ lambda � � � � ȷ � � � � � � A � � D � İ � װ lambda � � A
� � � � � һ � � ʵ � � � ͻ � � ķ � ת � � � � � � Ҫ � � ת ̨ 8 lambda � � lambda. � a � ʵ � � lambda. � a � ʱ � � � � ɰ � � and � � � � ɰ � � � � � � ʵ � � � � ת ̨ 8 � � ת � � lambda. � a � � � � � � � lambda. � a � ʱ � � ģ � � � � ֪ � � � � the BC � � 0.5 m � � � � � � lambda � � B1C1 � � B2C2. � � Ҫ � � ̶ � � � � � � � � � a � � D � � ͬ һ ˮ ƽ � � � ϲ � � � AD = BC � � � Լ � � � � � � � � � � � ֽ � ϰ � � � � � � � � � ͼ � Σ � � � � � � � � � ˳ � � ȡ � � � � � Դ � � � � �� � � � � � �
3.4.2 � � � f � � ٶ ȱ 仯 ϵ � � � � � � ĸ ˻ � � �
1. � � � � � � � ҡ � ˻ � � �
� � � f � � ٶ ȱ 仯 ϵ � � K � � � � � � � ҡ � ˻ � � � � � � � � � � � ֪ � � � � � � � � ҡ � � L3 � awesome � � ȼ � ҡ � ˰ ڽ Ǧ � � ٶ ȱ 仯 ϵ � � K � � � � � � � � � � ͼ � � � � � � � � � ҡ � ˻ � � � � �
2. � � � � � � � � ڶ � � � � ˻ � � �
� � ֪ � � � ܳ � � � l4 � � � ٶ ȱ 仯 ϵ � � K � � � � � � � � � � � � ˻ � � � � �
� � � � � � � lambda � н �
� ڸ � � ݵ � � ˰ ڽ Ǧ � � � � � � � � � lambda � н Ǧ ȣ � � � ѡ һ � � C � � � � ҳ � � � � � � � � � � � Cm � � Cn � �
� � � � � � MCN � Ľ � � � � � � ߣ � ȡ CA � � � � � o � A � 㣬 � � A � � � � Cm � � � Cn Ĵ � � � B1 � � B2 � � � 㣬 AB1 � � � � AB2 � � � � Ϊ � � � � � � � � � � AB1 � � � � � � � � � � � � � � �
� � � � � һ ƫ � � � � � � � � � � � � � � � � � ֪ � � � � � f � H = 88 mm � � ƫ � ľ � e = 44 mm � � � ٶ ȱ 仯 ϵ � � K = 1.4 � �
� Լ � � � � � � � � � � � ֽ � ϰ � � � � � � � � � ͼ � Σ � � � � � � � � � ˳ � � ȡ �
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1. � � � � � � � �
� � � � � ĸ ˻ � � � � � ת ʱ � � � � � � � � � � ƽ � � � ˶ � � � � � � � � � � � һ � 㶼 � � � � һ � � � � � � � � ߳ � Ϊ � � � � � � � ߡ � � � � � � � � ߵ � � � ״ � � � � � � � ϵ � � lambda � � � Լ � � � � � � � Գ ߴ 粻 ͬ � � � 仯 � � � � � � � � � � � � � ߵ Ķ � � � � ԣ � ʹ � � � � � 㷺 � � Ӧ � � � � ʵ � � awesome � � � ˶ � � 켣 � Ļ � е � ϡ � � � � � � � � � � � Ӧ � � � � � � � � � ߵ � ʵ � � � �
2. � � � ո � � � � � � � ˶ � � 켣 � � � � ĸ ˻ � � �
� � � � � � � � ĸ ˻ � � � ʹ � � � � � � � � the awesome � � ʵ � ָ � � � � � � � � � 켣 � � � � ʮ � ָ � � ӵ ġ � Ϊ � ˱ � � � � � ƣ � � � � � � ϳ � � � � � � � � ѳ � � � ġ � � � � � � ˻ � � � � � � � ͼ � ס � � � � � � � � ҳ � һ � � � � � Ƶ � � � � � � � � ߣ � ֱ � Ӳ � � � u � � � � � � ˳ ߴ � � � � ַ � � � � � Ϊͼ � �� �
� � � � � � � ⣬ � � � � � � � � ʵ � ð ª � � � � ĸ ˻ � � � � � ͼ � � mm Ϊ � � � � � 켣 � � � � � � � li � � � � ѡ � � һ � � A � � Ϊ ԭ � � � � � Ľ � � � � � � ģ � Ȼ � � ѡ � � � � � � AB � � � � � � � � BM � awesome � � ȣ � ʹ � � � � � ϵ � j � � � � � � ֪ � 켣 � ˶ � � � � � ʱ � � � � � � � � � � � ϵ � � � � � � � � ȣ � Ҳ � � ͬ ʱ � � � һ � � � � ״ � � � � � ߡ � � � � � � ҳ � � � Բ � � Բ � � � � � Ƶ � � � � ߣ � � � � ɰ � � gamma ɴ ˹ 켣 � ĵ � � � Ϊ � � � � the BC � � � � һ � 1/2 level ӵ C � � � � � � ˹ 켣 � � Բ � � � � Ϊ � � � ܵ Ľ � � � � � � � D � � � � the ABCD � � Ϊ ʵ � � � � ֪ � 켣 mm � � � ĸ ˻ � � � � � � � � C � � 켣 � � � � Բ � � � � � � ֱ � ߣ � � � ɵ � � � � � � � � � � �