IEC 61206 : 1.0

Table of Contents

INTRODUCTION<br>SECTION 1: GENERAL<br>Clause<br>1.1 Scope<br>1.2 Normative references<br>1.3 Definitions<br>1.4 Symbols<br>SECTION 2: OVERALL TESTS OF COMPLETE SYSTEMS<br>2.1 General considerations<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.1.1 Types of Doppler ultrasound systems<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.1.2 Worst case conditions<br>2.2 Initial conditions<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.2.1 Power supply<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.2.2 Test frequency, general conditions<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.2.3 Working distance<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.2.4 Zero-signal noise level<br>2.3 Doppler frequency response<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.3.1 Frequency response range<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.3.2 Doppler frequency accuracy<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.3.3 Large-signal performance<br>2.4 Spatial response<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.4.1 Axial response<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.4.2 Lateral response<br>2.5 Operating frequency<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.5.1 Acoustical measurement<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.5.2 Electrical measurement<br>2.6 Flow direction separation<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.6.1 Channel separation<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.6.2 Simultaneous flow<br>2.7 Response to Doppler spectrum<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.7.1 Volume-flow circuits<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.7.2 Maximum-frequency followers<br>SECTION 3: SPECIAL DOPPLER TEST OBJECTS<br>3.1 Doppler test objects<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.1 String Doppler test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.2 Band Doppler test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.3 Disk Doppler test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.4 Piston Doppler test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.5 Small ball test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.6 Flow Doppler test object<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1.7 Water tank (or gel block)<br>Annexes<br>A (informative) Description of continuous-wave Doppler <br>&nbsp;&nbsp;&nbsp;ultrasound systems<br>B (informative) Rationale<br>C (informative) Bibliography<br>ZA (normative) Other international publications quoted in<br>&nbsp;&nbsp;&nbsp;this standard with the references of the relevant <br>&nbsp;&nbsp;&nbsp;European publications

Abstract

Describes the test methods for measuring the performance of continuous wave ultrasonic Doppler flow-meters, velocimeters, or foetal heart detectors and special Doppler test objects for determining various performance properties of Doppler ultrasound systems.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 87