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Software-defined radio (SDR) is a radio communication system where components that conventionally have been implemented in analog hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a computer or embedded system. [1]
The SDR is a technical review conducted to evaluate the manner in which a project's system requirements have been allocated to configuration items, manufacturing considerations, next phase planning, production plans, and the engineering process that produced the allocation. This review is conducted when the system definition is at a point where ...
Social discount rate (SDR) is the discount rate used in computing the value of funds spent on social projects. Discount rates are used to put a present value on costs and benefits that will occur at a later date.
An XDR basket definition remains valid for five years. Approximately one to two months before the end of this time period, the IMF Executive Board will re-evaluate the XDR basket; the currencies included as well as their weights can then change. [63] Changing the XDR's value definition requires at least 70% of the votes among the IMF members. [64]
A separate SDR measure must be administered together with the primary measure (test or interview) aimed at the subject matter of the research/investigation. The key assumption is that respondents who answer in a socially desirable manner on that scale are also responding desirably to all self-reports throughout the study.
If an SDR determines a lead is worth spending sales resources on, the lead is handed off to a salesperson to conduct the rest of the sales process. The second type of lead, often referred to as an outbound prospect, is a lead an SDR discovers by identifying potential buyers that would benefit from the product the SDR is selling.
The SCA is published by the Joint Tactical Networking Center (JTNC). This architecture was developed to assist in the development of Software Defined Radio (SDR) communication systems, capturing the benefits of recent technology advances which are expected to greatly enhance interoperability of communication systems and reduce development and deployment costs.
SDR may refer to: Science and technology. ETSI Satellite Digital Radio; Selective dorsal rhizotomy, a neurosurgery; Short-chain dehydrogenase, short-chain ...