Dual track architecture and time synchronous scheme for wavelet reconstruction processor using SAW device based on MSC

Wen, Changbao; Chen, Zhu; Ju, Yang; Qiu, Yunfeng; Xu, Hongke; Lu, Wenke; Hu, Xiaodong; Wu, Yurong; Liu, Junhua

doi:10.1016/j.sna.2008.05.008

Cited by 18 publications

(20 citation statements)

References 17 publications

(18 reference statements)

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“…In our previous works [21,22], we found that the smaller side lobe can be obtained if the IDT of SAW device is apodized by the envelope of Morlet wavelet function. In this dual track SAW device, the input IDT is apodized by the envelope of Morlet wavelet function without using uniform IDT.…”

Section: Design Of Saw Devicementioning

confidence: 85%

A novel NO2 gas sensor using dual track SAW device

Wen

Chen

et al. 2010

Sensors and Actuators A: Physical

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Section: Design Of Saw Devicementioning

confidence: 85%

A novel NO2 gas sensor using dual track SAW device

Wen

Chen

et al. 2010

Sensors and Actuators A: Physical

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“…10,11 When the overlap weighting (electrode-overlap envelope) of the input IDT is identical with the one of the output IDT (i.e., the two transducers are identical), the frequency response is equal to the product of the input IDT's frequency response and the output IDT's frequency response. In Fig.…”

Section: A Principle Of Wavelet Inverse-transform Processor For Singmentioning

confidence: 99%

“…In order to solve those problems, various methods with physical devices have been reported. Physical devices such as very large-scale integration (VLSI), 1-3 optical devices, 4, 5 magnetostatic surface wave (MSSW) device, 6,7 and SAW devices [8][9][10][11][12][13][14] have been developed to support the implantation process. In the method of implementation of wavelet transform with SAW devices, Lu et al 8,9 found that, if the electrode-overlap envelope of the input interdigital transducer (IDT) for SAW device is designed according to the envelope function of wavelet function, then the input IDT of SAW device can implement the convolution of f(t) and wavelet function, i.e., wavelet transform.…”

Section: Introductionmentioning

confidence: 99%

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A novel compensation method of insertion losses for wavelet inverse-transform processors using surface acoustic wave devices

Chen

2011

Review of Scientific Instruments

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The objective of this research was to investigate the possibility of compensating for the insertion losses of the wavelet inverse-transform processors using SAW devices. The motivation for this work was prompted by the processors which are of large insertion losses. In this paper, the insertion losses are the key problem of the wavelet inverse-transform processors using SAW devices. A novel compensation method of the insertion losses is achieved in this study. When the output ends of the wavelet inverse-transform processors are respectively connected to the amplifiers, their insertion losses can be compensated for. The bandwidths of the amplifiers and their adjustment method are also given in this paper.

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“…We know form refs. [6][7][8][9][10][11][12][13] a single-scale wavelet-transform processor using Morlet wavelet function can be used as a band-pass filter. …”

Section: Principe Of Single-scale Wavelet-transform Processor Of Mss mentioning

confidence: 99%

Implementing single-scale wavelet transform processor with magnetostatic surface wave device

Chen

Kuang³

et al. 2011

Sci. China Technol. Sci.

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When the envelope of the conducting strips for the input transducer of magnetostatic surface wave (MSSW) device is designed according to the wavelet-function envelope, the impulse-response function of the input transducer for MSSW device is equal to the wavelet function, so that single-scale wavelet-transform processor of MSSW type is fabricated. First, according to the envelope function of the wavelet, the length function of the conducting strips is defined, then, the lengths of the conducting strips can be calculated from the length function of the conducting strips, finally, the input transducer can be designed according to the lengths and widths for the conducting strips. The compensation method of the insertion loss for single-scale wavelet transform processor of MSSW type is also given in the paper. When the output end of single-scale wavelet transform processor of MSSW type is connected to the amplifier, its insertion loss can be compensated. wavelet transform processor, magnetostatic surface wave (MSSW), envelope of the conducing strips, transducer Citation: Lu W K, Zhu C C, Kuang L, et al. Implementing single-scale wavelet transform processor with magnetostatic surface wave device.

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Dual track architecture and time synchronous scheme for wavelet reconstruction processor using SAW device based on MSC

Cited by 18 publications

References 17 publications

A novel NO2 gas sensor using dual track SAW device

A novel NO2 gas sensor using dual track SAW device

A novel compensation method of insertion losses for wavelet inverse-transform processors using surface acoustic wave devices

Implementing single-scale wavelet transform processor with magnetostatic surface wave device

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