软件包：gr-iqbal（0.38.2-2 以及其他的）

[ 源代码： gr-iqbal  ]

GNU Radio Blind IQ imbalance estimator and correction

The general idea is to suppress symmetrical images caused by IQ imbalance in the RX path of quadrature receivers. It's composed of two subblocks:

"IQ Bal Fix": This applies the actual correction. to a complex stream. The correction parameters are only magnitude/phase and the actual correction algo is the same as applied in hardware in the USRP. You can either specify the correction parameters manually on the block, or send them via 'messages'.

"IQ Bal Optimize": This blocks tries to blindly detect the imbalance by minimizing the correlation between the left and right part of the spectrum. See the code for the "how it does it". The general idea is inspired from papers found on the internet and the way some SDR software achieve the same things (sdr# for eg, although there are significant differences in the actual implementation).

标签: 软件开发: 函数库, 角色: 开发用函数库

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下载 gr-iqbal

下载可用于所有硬件架构的

硬件架构	版本	软件包大小	安装后大小	文件
alpha （非官方移植版）	0.38-4+b4	76.0 kB	478.0 kB	[文件列表]
amd64	0.38.2-2+b12	188.6 kB	1,273.0 kB	[文件列表]
arm64	0.38.2-2+b12	181.2 kB	1,293.0 kB	[文件列表]
armel	0.38.2-2+b12	178.8 kB	1,248.0 kB	[文件列表]
armhf	0.38.2-2+b12	179.2 kB	1,204.0 kB	[文件列表]
hppa （非官方移植版）	0.38-4+b5	82.3 kB	470.0 kB	[文件列表]
i386	0.38.2-2+b12	193.9 kB	1,268.0 kB	[文件列表]
m68k （非官方移植版）	0.38-4+b5	76.5 kB	407.0 kB	[文件列表]
mips64el	0.38.2-2+b15	189.0 kB	1,374.0 kB	[文件列表]
ppc64 （非官方移植版）	0.38.2-2+b12	190.4 kB	1,359.0 kB	[文件列表]
ppc64el	0.38.2-2+b12	195.9 kB	1,357.0 kB	[文件列表]
riscv64 （非官方移植版）	0.38.2-2+b9	180.9 kB	1,185.0 kB	[文件列表]
s390x	0.38.2-2+b12	188.5 kB	1,277.0 kB	[文件列表]
sparc64 （非官方移植版）	0.38.2-2+b1	177.8 kB	2,129.0 kB	[文件列表]
x32 （非官方移植版）	0.38.2-2+b1	174.3 kB	1,132.0 kB	[文件列表]