Goddard's IRAD program is managed under Goddard's Office of Chief Technologist. Activities are coordinated in collaboration with the Sciences and Exploration Directorate; Applied Engineering and Technology Directorate; Flight Projects Directorate; Wallops Flight Facility; New Opportunites Office; SBIR/STTR program; Goddard Strategic Partnerships Office; and the Export Compliance Office.
IRAD provides"seed funding" to develop concepts, reduce technology risk, and advance human capital and technological capabilities. The program is highly competitive, opportunity-driven, and 100% strategically aligned with NASA's and GSFC's strategic priorities. A significant portion of the program is focused on Early Stage Innovations for high-risk, strategically aligned, potential high-payoff technologies that are longer-term or lower TRL.
","parentProgram":{"ableToSelect":false,"acronym":"IRAD","isActive":true,"programId":87,"responsibleMd":{"canUserEdit":false,"locationEdit":false,"organizationRolePretty":"","organizationTypePretty":""},"title":"Center Independent Research & Development","acronymOrTitle":"IRAD"},"parentProgramId":87,"programId":153,"responsibleMd":{"organizationId":4910,"organizationName":"Mission Support Directorate","acronym":"MSD","organizationType":"NASA_Mission_Directorate","canUserEdit":false,"locationEdit":false,"organizationRolePretty":"","organizationTypePretty":"NASA Mission Directorate"},"responsibleMdOffice":4910,"title":"Center Independent Research & Development: GSFC IRAD","acronymOrTitle":"GSFC IRAD"},"acronym":"CRS","description":"This proposed effort seeks to develop a solid state power amplifier (SSPA)-based W-band cloud radar transceiver and demonstrate it on the GSFC airborne Cloud Radar System (CRS). Compared to the current Klystron-based W-band transceiver, this solid state transceiver will be significantly more compact in size, lower weight with improved reliability since it does not require high-voltages.
The proposed work focuses on the evaluation and testing of the W-band SSPA on the current airborne Cloud Radar System (CRS) transceiver so that it can be operated with either the original Klystron-based transmitter, or the SSPA. We will swap in either transmitter to maintain the current EIK capability. As we gain more confidence in the SSPA-based transmitter, we will migrate entirely to this approach. This SSPA-based transceiver will enable the usage a number of recently developed radar techniques, such as advanced versatile Tx/Rx waveform, ultra-low sidelobe pulse compression, and frequency diversity. It is necessary to modify the hardware and firmware in order to accommodate the above new techniques. Recent advances to HIWRAP’s advanced waveform generation need to be transferred to CRS to take full advantage of the SSPA. The resulting work is readily applicable to upcoming cloud and precipitation radar spaceborne missions.
","benefits":"
ACE, CAPPM
GPM Ground Validation
DOE
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