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backscatter造句
1. This is needed for electron microprobe or back-scattered Scanning Electron Microscope work where a perfect surface is required. 2. Methods Echo intensity and integrated backscatter ( IBS ) of the liver were measured in A and B group. 3. Integrated backscatter coefficients combined with renal cortex thickness may offer more useful information in diagnosis and differential diagnosis of ARF. 4. The backscatter method is the best one for measuring optical fiber cable. 5. It's not going to be a backscatter event if your ping-pong ball hits the frame or these strings, or the top part. 6. So, it'll be considered a backscatter event if your ping-pong ball hits one of the nuclei. 7. At last, the recent development of ultrasonic backscatter imaging is reviewed. 8. Both integrated backscatter and color kinesis can evaluate the outcomes of reperfusion in acute myocardial infarction, so they are worth for clinical use. 9. The backscatter sounding of high frequency can diagnose the real-time channel characters for shortwave communication or HF radar, which is great assistant to shortwave communication and HF radar. 10. Method Differential integrated backscatter (IB) imaging technique were used to monitor the HIFU-induced lesions, which combined IB parameter imaging with the digital differential method. 11. A new kind of method for studying critical materials - electron backscatter diffraction ( EBSD ) analysis technology was introduced. 12. Officials at the Transportation Security Administration say they have already tried out a handful of backscatter scanners. 13. At this time the simulator does not implement surface travelling wave modelling and associated edge or gap backscatter modelling, or edge diffraction scattering effect modelling. 14. A new portable lidar ceilometer using technique of fast data acquisition(FDA) of the backscatter signals of aerosol and cloud based on a common singlechip microcontroller was developed. 15. Blood in LV is not a suitable calibration reference in integrated backscatter analysis for patients with DCM. 16. The Autoregression (AR) cepstrum is put forward to estimate the mean spacing of trabecular bones in cancellous bone based on ultrasonic backscatter signal. 17. The RFID analog front end includes a local oscillator, clock generator, power on reset circuit, matching network and backscatter, rectifier, regulator, and AM demodulator. 18. A technique based on 2D OSF(order statistics filter) was proposed to filter impulsive noise and radio frequency interference(RFI) in ionospheric backscatter sounding. 19. Based on invariability of the quality factor of wavelet transform, combined with proper wavelet group, this paper discusses the application of wavelet transform in the detection of backscatter signal. 20. In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals. 21. Objecitve: To evaluate the characterization in myocardial fibrosis of hypertensive heart disease with ultrasonic backscatter parameters. 22. Officials at the Transportation Administration say they have already tried out a handful of backscatter scanners. 23. Britain plans to use whole - body scanners and may test the backscatter system. 24. Then according to the radar equation, on the base of the platform of ray tracing, builds a simulation platform of backscatter ionogram. 25. The approach uses the parasitic inductance of the antenna to implement ASK modulation by adjusting the capacitive reactance of the matching network, which changes with the backscatter circuit. 26. The concentration of suspended particles in water can be estimated by inversion of the backscatter intensity with the acoustic telemetering system.