Pre-Grant Publication Number: 20110034142
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Prior Art Detail
Summary / Description
| Summary / Description | A non-linear, order-statistic filter that is able to detect transients within an ambient signal environment without the transients affecting the setting of the transient detection threshold. The filter obtains a power spectral estimate (PSE) signal for each one of a plurality of predetermined bandwidth portions of the ambient input signal. Specific PSE magnitude values making up the PSE signal are sorted and ordered from smallest to largest. An average PSE magnitude value is obtained for a preselected center range of the specific PSE magnitude values, and this value is used to set the transient signal detection threshold for the filter. |
Basic Information
| Type of Prior Art | Issued Patents - US |
| Country | United States of America |
| Patent/Application # | 7459962 |
| Kind Code | United States (US) - Reexamination Certificate Seco... - B2 |
| Patentee Name | BOEING CO US |
| Relevant Pages, Columns, or Lines | Abstract, claim 1 |
| URL | |
| Filing Date | July 26, 2006 |
| Additional Information | |
Notes / To Do
| Notes | |
Excerpt
Excerpt A non-linear, order-statistic filter that is able to detect transients within an ambient signal environment without the transients affecting the setting of the transient detection threshold. The filter obtains a power spectral estimate (PSE) signal for each one of a plurality of predetermined bandwidth portions of the ambient input signal. Specific PSE magnitude values making up the PSE signal are sorted and ordered from smallest to largest. An average PSE magnitude value is obtained for a preselected center range of the specific PSE magnitude values, and this value is used to set the transient signal detection threshold for the filter. |
Relevance
Claims
1
Relevance
This patent uses a detection threshold to detect transients. However, this detection threshold is calculated as an average power spectral estimate (PSE), and then compared to a measured PSE, which is potentially analogous to comparing a predetermined PDF to a measured PDF to detect a transient
This patent uses a detection threshold to detect transients. However, this detection threshold is calculated as an average power spectral estimate (PSE), and then compared to a measured PSE, which is potentially analogous to comparing a predetermined PDF to a measured PDF to detect a transient
Claim Chart
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