din5.bdf

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

		(input)
		(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
		(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
		(line (pt 0 24)(pt 12 24)(line_width 1))
	)
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 41 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 41 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(line (pt 52 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 12)(pt 52 12)(line_width 1))
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 52 68)(pt 52 12)(line_width 1))
		(line (pt 12 68)(pt 12 12)(line_width 1))
		(line (pt 19 40)(pt 12 47)(line_width 1))
		(line (pt 12 32)(pt 20 40)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
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)
(symbol
	(rect 408 504 472 584)
	(text "DFF" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst5" (rect 3 68 26 80)(font "Arial" ))
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 44 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 44 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "CLK" (rect 3 29 20 41)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 3 29 20 41)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
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		(pt 0 24)
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		(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
		(line (pt 0 24)(pt 12 24)(line_width 1))
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	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 41 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 41 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(line (pt 52 24)(pt 64 24)(line_width 1))
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		(line (pt 19 40)(pt 12 47)(line_width 1))
		(line (pt 12 32)(pt 20 40)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
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(symbol
	(rect 888 344 920 360)
	(text "VCC" (rect 5 6 25 16)(font "Arial" (font_size 6)))
	(text "inst9" (rect 6 -1 29 11)(font "Arial" )(invisible))
	(port
		(pt 16 0)
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		(text "1" (rect 8 -3 13 9)(font "Courier New" (bold))(invisible))
		(line (pt 16 0)(pt 16 8)(line_width 1))
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	(drawing
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	(rotate180)
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(symbol
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	(text "inst10" (rect 8 80 37 92)(font "Arial" ))
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		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 96 32)
		(output)
		(text "clk2M" (rect 0 0 28 12)(font "Arial" ))
		(text "clk2M" (rect 47 27 75 39)(font "Arial" ))
		(line (pt 96 32)(pt 80 32)(line_width 1))
	)
	(port
		(pt 96 48)
		(output)
		(text "clk4M" (rect 0 0 28 12)(font "Arial" ))
		(text "clk4M" (rect 47 43 75 55)(font "Arial" ))
		(line (pt 96 48)(pt 80 48)(line_width 1))
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	(drawing
		(rectangle (rect 16 16 80 80)(line_width 1))
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(symbol
	(rect 360 200 576 336)
	(text "rom1" (rect 94 1 128 17)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 120 25 132)(font "Arial" ))
	(port
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		(input)
		(text "address[9..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))
		(text "address[9..0]" (rect 4 19 79 33)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 88 32)(line_width 3))
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	(port
		(pt 0 112)
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		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clock" (rect 4 99 33 113)(font "Arial" (font_size 8)))
		(line (pt 0 112)(pt 144 112)(line_width 1))
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	(port
		(pt 216 32)
		(output)
		(text "q[11..0]" (rect 0 0 42 14)(font "Arial" (font_size 8)))
		(text "q[11..0]" (rect 177 19 219 33)(font "Arial" (font_size 8)))
		(line (pt 216 32)(pt 160 32)(line_width 3))
	)
	(drawing
		(text "12 bits" (rect 108 46 120 79)(font "Arial" )(vertical))
		(text "1024 words" (rect 121 36 133 91)(font "Arial" )(vertical))
		(text "Block type: AUTO" (rect 41 116 130 128)(font "Arial" ))
		(line (pt 104 24)(pt 136 24)(line_width 1))
		(line (pt 136 24)(pt 136 96)(line_width 1))
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		(line (pt 154 36)(pt 152 38)(line_width 1))
		(line (pt 144 36)(pt 152 36)(line_width 1))
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		(line (pt 88 34)(pt 90 36)(line_width 1))
		(line (pt 90 36)(pt 88 38)(line_width 1))
		(line (pt 80 36)(pt 88 36)(line_width 1))
		(line (pt 96 32)(pt 104 32)(line_width 3))
		(line (pt 80 112)(pt 80 36)(line_width 1))
		(line (pt 144 112)(pt 144 36)(line_width 1))
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(connector
	(pt 168 128)
	(pt 216 128)
)
(connector
	(pt 456 128)
	(pt 496 128)
)
(connector
	(pt 464 144)
	(pt 464 168)
)
(connector
	(pt 456 144)
	(pt 464 144)
)
(connector
	(pt 464 168)
	(pt 480 168)
)
(connector
	(text "clk8M" (rect 325 112 353 124)(font "Arial" ))
	(pt 312 128)
	(pt 360 128)
)
(connector
	(text "clk8M" (rect 296 296 324 308)(font "Arial" ))
	(pt 360 312)
	(pt 288 312)
)
(connector
	(pt 360 232)
	(pt 232 232)
	(bus)
)
(connector
	(text "clk8M" (rect 24 208 52 220)(font "Arial" ))
	(pt 88 224)
	(pt 16 224)
)
(connector
	(pt 576 232)
	(pt 616 232)
	(bus)
)
(connector
	(text "clk2M" (rect 656 248 684 260)(font "Arial" ))
	(pt 688 264)
	(pt 648 264)
)
(connector
	(pt 616 232)
	(pt 616 280)
	(bus)
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(connector
	(text "clk8M" (rect 912 264 940 276)(font "Arial" ))
	(pt 976 280)
	(pt 904 280)
)
(connector
	(text "i2[11..0]" (rect 1128 264 1168 276)(font "Arial" ))
	(pt 1120 280)
	(pt 1192 280)
	(bus)
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(connector
	(text "i4[11..0]" (rect 1128 296 1168 308)(font "Arial" ))
	(pt 1120 312)
	(pt 1192 312)
	(bus)
)
(connector
	(text "q5[11..0]" (rect 1128 312 1171 324)(font "Arial" ))
	(pt 1120 328)
	(pt 1192 328)
	(bus)
)
(connector
	(text "i6[11..0]" (rect 1128 328 1168 340)(font "Arial" ))
	(pt 1120 344)
	(pt 1192 344)
	(bus)
)
(connector
	(text "i8[11..0]" (rect 1128 360 1168 372)(font "Arial" ))
	(pt 1120 376)
	(pt 1192 376)
	(bus)
)
(connector
	(text "xor[11..0]" (rect 860 248 907 260)(font "Arial" ))
	(pt 840 264)
	(pt 976 264)
	(bus)
)
(connector
	(text "clr" (rect 912 280 923 292)(font "Arial" ))
	(pt 976 296)
	(pt 904 296)
)
(connector
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	(pt 72 408)
	(pt 0 408)
	(bus)
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(connector
	(text "i4[11..0]" (rect 8 408 48 420)(font "Arial" ))
	(pt 72 424)
	(pt 0 424)
	(bus)
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(connector
	(text "i6[11..0]" (rect 8 424 48 436)(font "Arial" ))
	(pt 72 440)
	(pt 0 440)
	(bus)
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(connector
	(text "i8[11..0]" (rect 8 440 48 452)(font "Arial" ))
	(pt 72 456)
	(pt 0 456)
	(bus)
)
(connector
	(text "i5[11..0]" (rect 232 392 272 404)(font "Arial" ))
	(pt 208 408)
	(pt 272 408)
	(bus)
)
(connector
	(text "clk4M" (rect 344 432 372 444)(font "Arial" ))
	(pt 408 448)
	(pt 336 448)
)
(connector
	(text "clk4M" (rect 352 528 380 540)(font "Arial" ))
	(pt 408 544)
	(pt 344 544)
)
(connector
	(text "i5[11..0]" (rect 344 416 384 428)(font "Arial" ))
	(pt 408 432)
	(pt 336 432)
	(bus)
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(connector
	(text "q5[11..0]" (rect 352 512 395 524)(font "Arial" ))
	(pt 408 528)
	(pt 344 528)
	(bus)
)
(connector
	(pt 472 432)
	(pt 528 432)
	(bus)
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(connector
	(pt 472 528)
	(pt 536 528)
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	(pt 904 296)
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(connector
	(pt 632 384)
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	(bus)
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(connector
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	(bus)
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(connector
	(pt 616 280)
	(pt 632 280)
	(bus)
)
(junction (pt 632 280))