Engineering Testing & Signal Processing 工程测试与信号处理
Testing & Signal Transformation Processing 测试与信号变换处理
TV testing signal generator 电视测试信号发生器
Testing Signal 测试信号
Testing & Evaluation of Signal 信号的检测与估值
tv testing signal 电视测试信号
testing signal process 测试信号处理
testing signal generator 测试信号源
Arbitrary testing signal 任意检测信号
ultrasonic testing signal 超声检测信号
This article puts forwards the design of a power carrier testing signal source which is based on direct digital frequency synthesis(DDS) chip AD9850.
采用直接数字频率合成技术(DDS)设计了一种电力载波测试信号源。
参考来源 - 基于DDS技术的信号源设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Wed o field test experiment on surface grinding machine of series M7180 (70), and analyze the spectrums characteristics of the testing signal.
对m 7180(70)系列平面磨床进行了现场实验测试，并对测试信号进行幅频特征分析。
But now the field is finite that wavelet analyses is used in the ultrasonic testing signal processing, and the problem of selecting the best wavelet didn't be considered in the application of wavelet.
但目前小波分析处理超声检测信号的应用领域还很有限，并且应用过程中没有考虑最优小波基的选取问题。
The vibration testing signal is proved to be good, showing that the testing system and method are mature and effective.
动频测试时振动信号良好表明，该无线电遥测系统测试技术是成熟和有效的。
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