din5.bsf

中频验波是对信号进行中频直接采样和数字正交处理后,产生的I 支路和Q 支路信号序列在时间上会错开一个采样间隔,需要进行定序处理,恢复成同步输出的I、Q 两路信号序列。现代雷达普遍采用相参信号处理,而如

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2006 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic 
functions, and any output files any of the foregoing 
(including device programming or simulation files), and any 
associated documentation or information are expressly subject 
to the terms and conditions of the Altera Program License 
Subscription Agreement, Altera MegaCore Function License 
Agreement, or other applicable license agreement, including, 
without limitation, that your use is for the sole purpose of 
programming logic devices manufactured by Altera and sold by 
Altera or its authorized distributors.  Please refer to the 
applicable agreement for further details.
*/
(header "symbol" (version "1.1"))
(symbol
	(rect 16 16 152 176)
	(text "din5" (rect 5 0 28 14)(font "Arial" (font_size 8)))
	(text "inst" (rect 8 144 25 156)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 15 14)(font "Arial" (font_size 8)))
		(text "clk" (rect 21 27 36 41)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 136 32)
		(output)
		(text "clk8M" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "clk8M" (rect 84 27 115 41)(font "Arial" (font_size 8)))
		(line (pt 136 32)(pt 120 32)(line_width 1))
	)
	(port
		(pt 136 48)
		(output)
		(text "clk2M" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "clk2M" (rect 84 43 115 57)(font "Arial" (font_size 8)))
		(line (pt 136 48)(pt 120 48)(line_width 1))
	)
	(port
		(pt 136 64)
		(output)
		(text "clk4M" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "clk4M" (rect 84 59 115 73)(font "Arial" (font_size 8)))
		(line (pt 136 64)(pt 120 64)(line_width 1))
	)
	(port
		(pt 136 80)
		(output)
		(text "qp[11..0]" (rect 0 0 49 14)(font "Arial" (font_size 8)))
		(text "qp[11..0]" (rect 66 75 115 89)(font "Arial" (font_size 8)))
		(line (pt 136 80)(pt 120 80)(line_width 3))
	)
	(port
		(pt 136 96)
		(output)
		(text "I_out[11..0]" (rect 0 0 62 14)(font "Arial" (font_size 8)))
		(text "I_out[11..0]" (rect 53 91 115 105)(font "Arial" (font_size 8)))
		(line (pt 136 96)(pt 120 96)(line_width 3))
	)
	(port
		(pt 136 112)
		(output)
		(text "Q_out[11..0]" (rect 0 0 69 14)(font "Arial" (font_size 8)))
		(text "Q_out[11..0]" (rect 46 107 115 121)(font "Arial" (font_size 8)))
		(line (pt 136 112)(pt 120 112)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 120 144)(line_width 1))
	)
)