利用频谱校正技术使频谱测试结果在准确性上得到了提高。
The spectrum testing results have higher accuracy by the technology of spectrum emendation.
在技术成熟阶段，雷神的干扰机将进行研发测试，以确保频谱精度、功率、反应速度和定向能力。
In the technology maturation phase, Raytheon's jammer will be developed and tested to ensure spectral precision, power, reactive speed and directivity.
最后给出了FPGA实现的数字下变频器在测试中产生的波形和频谱，作了测试结果分析。
At the end of this paper, waves and spectra generated by FPGA DDC during tests are given and test results are analyzed.
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