dtft

Study on Sine Wave Frequency Estimation Method Based on DTFT

基于DTFT的正弦波频率估计方法研究

Moreover , one fast algorithm and its detailed process of DTFT are given .

设计了DTFT的快速算法，给出了算法实现步骤。

Simulation results prove the validity of the theoretical results and the advantage of DTFT in frequency estimation .

仿真结果验证了理论推导的正确性和DTFT在频率估计方面的优越性。

Moreover , the problem of missing spectrum line during approximation of DTFT formula wa analysed and the cause has been pointed out .

针对应用近似DTFT公式计算时遇到的谱线消失问题进行剖析并指明原因。

A new signal processing method for Coriolis mass flowmeter is proposed , which is based on the recursive DTFT algorithm and considers the contribution of negative frequency .

基于DTFT递推算法，提出了一种计及负频率影响的科里奥利质量流量计信号处理方法。